Improve switch code emission for a balanced tree (PR tree-optimization/86847).

[thirdparty/gcc.git] / gcc / c / ChangeLog

2018-08-20  David Malcolm  <dmalcolm@redhat.com>

	PR other/84889
	* c-decl.c (pushtag): Add auto_diagnostic_group instance.
	(diagnose_mismatched_decls): Likewise, in various places.
	(warn_if_shadowing): Likewise.
	(implicit_decl_warning): Likewise.
	(implicitly_declare): Likewise.
	(undeclared_variable): Likewise.
	(declare_label): Likewise.
	(grokdeclarator): Likewise.
	(start_function): Likewise.
	* c-parser.c (c_parser_declaration_or_fndef): Likewise.
	(c_parser_parameter_declaration): Likewise.
	(c_parser_binary_expression): Likewise.
	* c-typeck.c (c_expr_sizeof_expr): Likewise.
	(parser_build_binary_op): Likewise.
	(build_unary_op): Likewise.
	(error_init): Likewise.
	(pedwarn_init): Likewise.
	(warning_init): Likewise.
	(convert_for_assignment): Likewise.

2018-08-15  David Malcolm  <dmalcolm@redhat.com>

	* c-objc-common.c: Include "gcc-rich-location.h".
	(c_tree_printer): Move implemenation of '%T' to...
	(print_type): ...this new function.
	(range_label_for_type_mismatch::get_text): New function.
	* c-typeck.c (convert_for_assignment): Add type labels to the rhs
	range for the various ic_argpass cases.
	(class maybe_range_label_for_tree_type_mismatch): New class.
	(build_binary_op): Use it when calling binary_op_error.

2018-08-15  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
	
	* c-decl.c (start_decl): Do not warn if variables is named as main
	and is a local variable.

2018-08-15  Iain Sandoe  <iain@sandoe.co.uk>

	PR c/19315
	* c-decl.c (finish_decl): Don't add the 'extern' storage class to
	objects of unknown size.

2018-08-13  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/71625
	* c-parser.c (c_parser_declaration_or_fndef): Call
	braced_list_to_string.

2018-08-03  Bogdan Harjoc  <harjoc@gmail.com>

	PR c/86690
	* c-typeck.c (lookup_field): Do not use TYPE_LANG_SPECIFIC after
	errors.

2018-08-01  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/86650
	* c-objc-common.c (c_tree_printer): Move usage of EXPR_LOCATION (t)
	and TREE_BLOCK (t) from within percent_K_format	to this callsite.

2018-08-01  Jakub Jelinek  <jakub@redhat.com>

	PR c/85704
	* c-typeck.c (init_field_decl_cmp): New function.
	(output_pending_init_elements): Use it for field comparisons
	instead of pure bit_position comparisons.

2018-07-12  Jakub Jelinek  <jakub@redhat.com>

	* c-decl.c (c_decl_attributes): Don't diagnose vars without mappable
	type here, instead add "omp declare target implicit" attribute.
	(finish_decl): Diagnose vars without mappable type here.

2018-06-20  Chung-Lin Tang <cltang@codesourcery.com>
	    Thomas Schwinge <thomas@codesourcery.com>
	    Cesar Philippidis  <cesar@codesourcery.com>

	* c-parser.c (c_parser_omp_clause_name): Add support for finalize
	and if_present. Make present_or_{copy,copyin,copyout,create} aliases
	to their non-present_or_* counterparts. Make 'self' an alias to
	PRAGMA_OACC_CLAUSE_HOST.
	(c_parser_oacc_data_clause): Update GOMP mappings for
	PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
	PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
	(c_parser_oacc_all_clauses): Handle finalize and if_present clauses.
	Remove support for present_or_* clauses.
	(OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
	(OACC_PARALLEL_CLAUSE_MASK): Likewise.
	(OACC_DECLARE_CLAUSE_MASK): Likewise.
	(OACC_DATA_CLAUSE_MASK): Likewise.
	(OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
	(OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
	(OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
	(c_parser_oacc_declare): Remove PRESENT_OR_* clauses.
	* c-typeck.c (c_finish_omp_clauses): Handle IF_PRESENT and FINALIZE.

2018-06-16  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* c-typeck.c (build_unary_op): Handle ABSU_EXPR;
	* gimple-parser.c (c_parser_gimple_statement): Likewise.
	(c_parser_gimple_unary_expression): Likewise.

2018-06-15  Jakub Jelinek  <jakub@redhat.com>

	PR c/86093
	* c-typeck.c (pointer_diff): Cast both pointers to unqualified types
	before doing POINTER_DIFF_EXPR.

2018-06-07  Marek Polacek  <polacek@redhat.com>

	PR c/85318
	* c-decl.c (check_for_loop_decls): Add -Wc90-c99-compat warning about
	for loop initial declarations.

2018-05-30  David Pagan  <dave.pagan@oracle.com>

	PR c/55976
	* c-decl.c (grokdeclarator): Update check for return type warnings.
	(start_function): Likewise.
	(finish_function): Likewise.
	* c-typeck.c (c_finish_return): Update check for return type warnings.
	Pass OPT_Wreturn_type to pedwarn when appropriate.

2018-05-18  Richard Sandiford  <richard.sandiford@linaro.org>

	* gimple-parser.c (c_parser_gimple_postfix_expression): Remove
	__FMA_EXPR handlng.

2018-05-17  Richard Sandiford  <richard.sandiford@linaro.org>

	* gimple-parser.c: Include internal-fn.h.
	(c_parser_gimple_statement): Treat a leading CPP_DOT as a call.
	(c_parser_gimple_call_internal): New function.
	(c_parser_gimple_postfix_expression): Use it to handle CPP_DOT.
	Fix typos in comment.

2018-05-10  Jakub Jelinek  <jakub@redhat.com>

	PR c++/85662
	* c-fold.c (c_fully_fold_internal): Use fold_offsetof rather than
	fold_offsetof_1, pass TREE_TYPE (expr) as TYPE to it and drop the
	fold_convert_loc.
	* c-typeck.c (build_unary_op): Use fold_offsetof rather than
	fold_offsetof_1, pass argtype as TYPE to it and drop the
	fold_convert_loc.

2018-05-02  David Pagan  <dave.pagan@oracle.com>

	PR c/30552
	* c-decl.c (old_style_parameter_scope): New function.
	* c-parser.c (c_parser_postfix_expression): Check for statement
	expressions in old-style function parameter list declarations.
	* c-parser.h (old_style_parameter_scope): New extern declaration.

2018-04-25  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/84307
	* c-decl.c (build_compound_literal): Call pushdecl (decl) even when
	it is not TREE_STATIC.
	* c-typeck.c (c_mark_addressable) <case COMPOUND_LITERAL_EXPR>: Mark
	not just the COMPOUND_LITERAL_EXPR node itself addressable, but also
	its COMPOUND_LITERAL_EXPR_DECL.

2018-03-21  Joseph Myers  <joseph@codesourcery.com>

	* c-parser.c (c_parser_postfix_expression): For __builtin_tgmath
	where all functions return the same _FloatN or _FloatNx type,
	treat integer types as _Float64 instead of double.

2018-03-21  Jakub Jelinek  <jakub@redhat.com>

	PR c/84999
	* c-typeck.c (build_binary_op): If c_common_type_for_size fails when
	building vector comparison, diagnose it and return error_mark_node.

2018-03-15  Jakub Jelinek  <jakub@redhat.com>

	PR c/84853
	* c-typeck.c (build_binary_op) <case RSHIFT_EXPR, case LSHIFT_EXPR>:
	If code1 is INTEGER_TYPE, only allow code0 VECTOR_TYPE if it has
	INTEGER_TYPE element type.

2018-03-13  David Pagan  <dave.pagan@oracle.com>

	PR c/46921
	* c-typeck.c (output_init_element): Ensure field initializer
	expression is always evaluated if there are side effects.

2018-03-06  Jakub Jelinek  <jakub@redhat.com>

	PR c/84721
	* c-parser.c (add_debug_begin_stmt): Don't add DEBUG_BEGIN_STMT if
	!building_stmt_list_p ().

2018-02-13  Richard Sandiford  <richard.sandiford@linaro.org>

	PR c/84305
	* c-decl.c (grokdeclarator): Create an anonymous TYPE_DECL
	in PARM and TYPENAME contexts too, but attach it to a BIND_EXPR
	and include the BIND_EXPR in the list of things that need to be
	pre-evaluated.

2018-02-09  Nathan Sidwell  <nathan@acm.org>

	PR c/84293
	* c-typeck.c (build_indirect_ref, build_c_cast): Pass expr location
	to strict_aliasing_warning.

2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>

	* c-typeck.c (really_start_incremental_init, push_init_level,
	set_nonincremental_init, output_init_element, process_init_element):
	Use DECL_UNNAMED_BIT_FIELD.

2018-01-31  Marek Polacek  <polacek@redhat.com>

	PR c/81779
	* c-parser.c (c_parser_compound_statement_nostart): Call
	expansion_point_location_if_in_system_header.

2018-01-17  David Malcolm  <dmalcolm@redhat.com>

	PR c++/83814
	* c-fold.c (fold_for_warn): Move from c-common.c, reducing to just
	the C part.

2018-01-13  Jakub Jelinek  <jakub@redhat.com>

	PR c/83801
	* c-tree.h (decl_constant_value_1): Add a bool argument.
	* c-typeck.c (decl_constant_value_1): Add IN_INIT argument, allow
	returning a CONSTRUCTOR if it is true.  Use error_operand_p.
	(decl_constant_value): Adjust caller.
	* c-fold.c (c_fully_fold_internal): If in_init, pass true to
	decl_constant_value_1 as IN_INIT.  Otherwise, punt if
	decl_constant_value returns initializer that has BLKmode or
	array type.
	(c_fully_fold_internal) <case COMPONENT_REF>: Fold if !lval.

2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
	    Alan Hayward  <alan.hayward@arm.com>
	    David Sherwood  <david.sherwood@arm.com>

	* c-typeck.c (comptypes_internal, build_binary_op): Handle polynomial
	TYPE_VECTOR_SUBPARTS.

2018-01-03  Jakub Jelinek  <jakub@redhat.com>

	Update copyright years.

2018-01-01  Jakub Jelinek  <jakub@redhat.com>

	PR c/83595
	* c-parser.c (c_parser_braced_init, c_parser_initelt,
	c_parser_conditional_expression, c_parser_cast_expression,
	c_parser_sizeof_expression, c_parser_alignof_expression,
	c_parser_postfix_expression, c_parser_omp_declare_reduction,
	c_parser_transaction_expression): Use set_error () method instead
	of setting value member to error_mark_node.

2017-12-28  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* c-decl.c (header_for_builtin_fn): Add integer rounding _Float<N>
	and _Float<N>X built-in functions.

2017-12-22  Jakub Jelinek  <jakub@redhat.com>

	PR debug/83550
	* c-decl.c (finish_struct): Set DECL_SOURCE_LOCATION on
	TYPE_STUB_DECL and call rest_of_type_compilation before processing
	incomplete vars rather than after it.

	PR debug/83547
	* c-typeck.c (c_finish_stmt_expr): Ignore !TREE_SIDE_EFFECTS as
	indicator of ({ }), instead skip all trailing DEBUG_BEGIN_STMTs first,
	and consider empty ones if there are no other stmts.  For
	-Wunused-value walk all statements before the one only followed by
	DEBUG_BEGIN_STMTs.

2017-12-22  Mike Stump  <mikestump@comcast.net>
            Eric Botcazou  <ebotcazou@adacore.com>

	* c-parser.c (c_parser_while_statement): Add unroll parameter and
	build ANNOTATE_EXPR if present.  Add 3rd operand to ANNOTATE_EXPR.
	(c_parser_do_statement): Likewise.
	(c_parser_for_statement): Likewise.
	(c_parser_statement_after_labels): Adjust calls to above.
	(c_parse_pragma_ivdep): New static function.
	(c_parser_pragma_unroll): Likewise.
	(c_parser_pragma) <PRAGMA_IVDEP>: Add support for pragma Unroll.
	<PRAGMA_UNROLL>: New case.

2017-12-19  Jakub Jelinek  <jakub@redhat.com>

	* c-typeck.c (comptypes_internal, function_types_compatible_p,
	perform_integral_promotions, digest_init): Replace Yoda conditions
	with typical order conditions.
	* c-decl.c (check_bitfield_type_and_width): Likewise.

2017-12-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	* c-typeck.c (c_safe_arg_type_equiv_p,
	c_safe_function_type_cast_p): New function.
	(build_c_cast): Implement -Wcast-function-type.

2017-12-14  Richard Biener  <rguenther@suse.de>

	PR c/83415
	* c-fold.c (c_fully_fold_internal): Treat VIEW_CONVERT_EXPR
	like REALPART_EXPR for the behavior of whether its operand
	is an lvalue.

2017-12-12  Marek Polacek  <polacek@redhat.com>

	PR c/82679
	* c-decl.c (grokdeclarator): Check declspecs insted of atomicp.

2017-12-12  Alexandre Oliva <aoliva@redhat.com>

	* c-objc-common.h (LANG_HOOKS_EMITS_BEGIN_STMT): Redefine as true.
	* c-parser.c (add_debug_begin_stmt): New.
	(c_parser_declaration_or_fndef): Call it.
	(c_parser_compound_statement_nostart): Likewise.
	(c_parser_statement_after_labels): Likewise.
	* c-typeck (c_finish_stmt_expr): Skip begin stmts markers.

2017-12-07  Joseph Myers  <joseph@codesourcery.com>

	* c-decl.c (build_compound_literal): Add parameter alignas_align
	and set alignment of decl if nonzero.
	* c-parser.c (c_keyword_starts_typename): Allow RID_ALIGNAS.
	(c_parser_declspecs): Allow RID_ALIGNAS to follow a type, like a
	qualifier.
	(c_parser_struct_declaration): Update syntax comment.
	(c_parser_type_name): Add alignas_ok argument and pass it to
	c_parser_declspecs.
	(c_parser_cast_expression): Pass true to c_parser_type_name and
	give error if a cast used an _Alignas specifier.
	(c_parser_sizeof_expression): Pass true to c_parser_type_name and
	give error if sizeof (type-name) used an _Alignas specifier.
	(c_parser_alignof_expression): Pass true to c_parser_type_name and
	give error if _Alignof (type-name) used an _Alignas specifier.
	(c_parser_postfix_expression_after_paren_type): Check specified
	alignment for a compound literal and pass it to
	build_compound_literal.
	* c-parser.h (c_parser_type_name): Update prototype.
	* c-tree.h (build_compound_literal): Update prototype.

2017-12-07  Martin Sebor  <msebor@redhat.com>

	PR c/81544
	* c-decl.c (c_decl_attributes): Look up existing declaration and
	pass it to decl_attributes.

2017-12-06  David Malcolm  <dmalcolm@redhat.com>

	PR c/83236
	* c-decl.c (lookup_name_fuzzy): Don't suggest names that are
	reserved for use by the implementation.

2017-12-06  David Malcolm  <dmalcolm@redhat.com>

	* c-decl.c: Include "c-family/c-spellcheck.h".

2017-12-05  Martin Liska  <mliska@suse.cz>
	    Jakub Jelinek  <jakub@redhat.com>

	* c-typeck.c (pointer_diff): Add new argument and instrument
	pointer subtraction.
	(build_binary_op): Similar for pointer comparison.

2017-12-01  Jakub Jelinek  <jakub@redhat.com>

	PR c/79153
	* c-parser.c: Include tree-iterator.h.
	(c_parser_switch_statement): Emit LABEL_EXPR for the break label
	into SWITCH_BODY instead of after it and set SWITCH_BREAK_LABEL_P
	on it.

	PR c/83222
	* c-tree.h (decl_constant_value_1): Declare.
	* c-typeck.c (decl_constant_value_1): New function.
	(decl_constant_value): Use it.
	* c-fold.c (c_fully_fold_internal): If in_init, use
	decl_constant_value_1 instead of decl_constant_value.

2017-11-30  Jakub Jelinek  <jakub@redhat.com>

	* c-parser.c (c_parser_postfix_expression): Use ; instead of ;;.

2017-11-28  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/81275
	* c-typeck.c (c_finish_case): Set SWITCH_ALL_CASES_P if
	c_switch_covers_all_cases_p returns true.

2017-11-28  Julia Koval  <julia.koval@intel.com>
            Sebastian Peryt  <sebastian.peryt@intel.com>

	* Make-lang.in (c/c-array-notation.o): Remove.
	* c-array-notation.c: Delete.
	* c-decl.c: Remove cilkplus condition.
	* c-parser.c (c_parser_cilk_simd, c_parser_cilk_for,
	c_parser_cilk_verify_simd, c_parser_array_notation,
	c_parser_cilk_clause_vectorlength, c_parser_cilk_grainsize,
	c_parser_cilk_simd_fn_vector_attrs,
	c_finish_cilk_simd_fn_tokens): Delete.
	(c_parser_declaration_or_fndef): Remove cilkplus condition.
	(c_parser_direct_declarator_inner): Ditto.
	(CILK_SIMD_FN_CLAUSE_MASK): Delete.
	(c_parser_attributes, c_parser_compound_statement,
	c_parser_statement_after_labels, c_parser_if_statement,
	c_parser_switch_statement, c_parser_while_statement,
	c_parser_do_statement, c_parser_for_statement,
	c_parser_unary_expression, c_parser_postfix_expression,
	c_parser_postfix_expression_after_primary,
	c_parser_pragma, c_parser_omp_clause_name, c_parser_omp_all_clauses,
	c_parser_omp_for_loop, c_finish_omp_declare_simd): Remove cilkplus
	support.
	* c-typeck.c (build_array_ref, build_function_call_vec,
	convert_arguments,
	lvalue_p, build_compound_expr, c_finish_return, c_finish_if_stmt,
	c_finish_loop, build_binary_op): Remove cilkplus support.

2017-11-28  Jakub Jelinek  <jakub@redhat.com>

	* c-typeck.c (c_start_case): Build SWITCH_EXPR using build2 instead
	of build3.

2017-11-14 Boris Kolpackov  <boris@codesynthesis.com>

	* Make-lang.in (c.install-plugin): Install backend import library.

2017-11-23  Jakub Jelinek  <jakub@redhat.com>

	* c-parser.c (c_parser_omp_declare_simd): Reject declare simd in
	pragma_stmt context.

2017-11-23  Mike Stump  <mikestump@comcast.net>
	    Eric Botcazou  <ebotcazou@adacore.com>

	* c-parser.c (c_parser_while_statement): Pass 3rd operand to
	ANNOTATE_EXPR.
	(c_parser_do_statement): Likewise.
	(c_parser_for_statement): Likewise.

2017-11-22  David Malcolm  <dmalcolm@redhat.com>

	PR c++/62170
	* c-objc-common.c (c_tree_printer): Convert penultimate param from
	bool to bool *.  Within '%T' handling, if showing an "aka", use
	"quoted" param to add appropriate quoting.

2017-11-22  Marek Polacek  <polacek@redhat.com>

	PR c++/60336
	PR middle-end/67239
	PR target/68355
	* c-decl.c (grokdeclarator): Set DECL_PADDING_P on unnamed bit-fields.

2017-11-21  David Malcolm  <dmalcolm@redhat.com>

	PR c/83056
	* c-decl.c (lookup_name_fuzzy): Don't suggest names that came from
	earlier failed lookups.

2017-11-21  Marc Glisse  <marc.glisse@inria.fr>

	* c-fold.c (c_fully_fold_internal): Handle POINTER_DIFF_EXPR.
	* c-typeck.c (pointer_diff): Use POINTER_DIFF_EXPR.

2017-11-20  David Malcolm  <dmalcolm@redhat.com>

	PR c/81404
	* c-decl.c: Include "c-family/known-headers.h".
	(get_c_name_hint): Rename to get_stdlib_header_for_name and move
	to known-headers.cc.
	(class suggest_missing_header): Move to known-header.h.
	(lookup_name_fuzzy): Call get_c_stdlib_header_for_name rather
	than get_c_name_hint.

2017-11-20  David Malcolm  <dmalcolm@redhat.com>

	* c-decl.c (get_c_name_hint): New function.
	(class suggest_missing_header): New class.
	(lookup_name_fuzzy): Call get_c_name_hint and use it to
	suggest missing headers to the user.

2017-11-20  David Malcolm  <dmalcolm@redhat.com>

	* c-decl.c: Define INCLUDE_UNIQUE_PTR before including system.h.
	Include "c-family/name-hint.h"
	(implicit_decl_warning): Convert "hint" from
	const char * to name_hint.  Pass location to
	lookup_name_fuzzy.  Suppress any deferred diagnostic if the
	warning was not printed.
	(undeclared_variable): Likewise for "guessed_id".
	(lookup_name_fuzzy): Convert return type from const char *
	to name_hint.  Add location_t param.
	* c-parser.c: Define INCLUDE_UNIQUE_PTR before including system.h.
	Include "c-family/name-hint.h"
	(c_parser_declaration_or_fndef): Convert "hint" from
	const char * to name_hint.  Pass location to lookup_name_fuzzy.
	(c_parser_parameter_declaration): Likewise.

2017-11-19  Jakub Jelinek  <jakub@redhat.com>

	PR c/66618
	PR c/69960
	* c-parser.c (c_parser_omp_atomic): Pass true as LVAL to c_fully_fold
	where needed.
	* c-typeck.c (build_unary_op, build_modify_expr, build_asm_expr,
	handle_omp_array_sections): Likewise.
	(digest_init): Don't call decl_constant_value_for_optimization.
	* c-tree.h (decl_constant_value_for_optimization): Removed.
	* c-fold.c (c_fold_array_ref): New function.
	(c_fully_fold_internal): Add LVAL argument, propagate it through
	recursive calls.  For VAR_P call decl_constant_value and
	unshare if not LVAL and either optimizing or IN_INIT.  Remove
	decl_constant_value_for_optimization calls.  If IN_INIT and not LVAL,
	fold ARRAY_REF with STRING_CST and INTEGER_CST operands.
	(c_fully_fold): Add LVAL argument, pass it through to
	c_fully_fold_internal.
	(decl_constant_value_for_optimization): Removed.

2017-11-15  Joseph Myers  <joseph@codesourcery.com>

	PR c/81156
	* c-parser.c (check_tgmath_function): New function.
	(enum tgmath_parm_kind): New enum.
	(c_parser_postfix_expression): Handle __builtin_tgmath.

2017-10-31  David Malcolm  <dmalcolm@redhat.com>

	* c-decl.c (implicit_decl_warning): Update for renaming of
	pedwarn_at_rich_loc and warning_at_rich_loc.
	(implicitly_declare): Likewise for renaming of inform_at_rich_loc.
	(undeclared_variable): Likewise for renaming of error_at_rich_loc.
	* c-parser.c (c_parser_declaration_or_fndef): Likewise.
	(c_parser_struct_or_union_specifier): Likewise for renaming of
	pedwarn_at_rich_loc.
	(c_parser_parameter_declaration): Likewise for renaming of
	error_at_rich_loc.
	* c-typeck.c (build_component_ref): Likewise.
	(build_unary_op): Likewise for renaming of inform_at_rich_loc.
	(pop_init_level): Likewise for renaming of warning_at_rich_loc.
	(set_init_label): Likewise for renaming of error_at_rich_loc.

2017-10-30  Richard Biener  <rguenther@suse.de>

	* gimple-parser.c (c_parser_gimple_statement): Parse conditional
	stmts.

2017-10-27  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* c-decl.c (header_for_builtin_fn): Add support for copysign, fma,
	fmax, fmin, and sqrt _Float<N> and _Float<N>X variants.

2017-10-25  David Malcolm  <dmalcolm@redhat.com>

	PR c/7356
	* c-parser.c (c_parser_declaration_or_fndef): Detect missing
	semicolons.

2017-10-25  Jakub Jelinek  <jakub@redhat.com>

	PR libstdc++/81706
	* c-decl.c (merge_decls): Copy "omp declare simd" attributes from
	newdecl to corresponding __builtin_ if any.

2017-10-24  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/82466
	* c-decl.c (diagnose_mismatched_decls): Use
	OPT_Wbuiltin_declaration_mismatch.

2017-10-12  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (c_parser_require): Add "type_is_unique" param and
	use it to guard calls to maybe_suggest_missing_token_insertion.
	(c_parser_parms_list_declarator): Override default value of new
	"type_is_unique" param to c_parser_require.
	(c_parser_asm_statement): Likewise.
	* c-parser.h (c_parser_require): Add "type_is_unique" param,
	defaulting to true.

2017-10-11  Nathan Sidwell  <nathan@acm.org>

	* c-decl.c (grokdeclarator): Check HAS_DECL_ASSEMBLER_NAME_P too.

2017-10-10  Richard Sandiford  <richard.sandiford@linaro.org>

	* c-parser.c (c_parser_cilk_clause_vectorlength): Use wi::to_wide when
	operating on trees as wide_ints.
	* c-typeck.c (build_c_cast, c_finish_omp_clauses): Likewise.
	(c_tree_equal): Likewise.

2017-10-04  David Malcolm  <dmalcolm@redhat.com>

	* c-decl.c (push_parm_decl): Store c_parm's location into the
	PARAM_DECL.
	(build_c_parm): Add "loc" param and store it within the c_parm.
	* c-parser.c (struct c_parser): Add "last_token_location" field.
	(c_parser_consume_token): Store location of the token into the
	new field.
	(c_parser_declaration_or_fndef): Store params into DECL_ARGUMENTS
	when handling a FUNCTION_DECL, if it doesn't already have them.
	(c_parser_parameter_declaration): Generate a location for the
	parameter, and pass it to the call to build_c_parm.
	* c-tree.h (struct c_parm): Add field "loc".
	(build_c_parm): Add location_t param.
	* c-typeck.c (get_fndecl_argument_location): New function.
	(inform_for_arg): New function.
	(convert_for_assignment): Use inform_for_arg when dealing with
	ic_argpass.

2017-09-29  Jakub Jelinek  <jakub@redhat.com>

	* c-decl.c (grokfield): Use SET_DECL_C_BIT_FIELD here if
	width is non-NULL.
	(finish_struct): Test DECL_C_BIT_FIELD instead of DECL_INITIAL,
	don't SET_DECL_C_BIT_FIELD here.

	PR c/82340
	* c-decl.c (build_compound_literal): Use c_apply_type_quals_to_decl
	instead of trying to set just TREE_READONLY manually.

2017-09-16  Tom de Vries  <tom@codesourcery.com>

	PR c/81875
	* c-parser.c (c_parser_omp_for_loop): Fold only operands of cond, not
	cond itself.

2017-09-15  Joseph Myers  <joseph@codesourcery.com>

	PR c/82071
	* c-typeck.c (ep_convert_and_check): Just call convert_and_check
	for C11.
	(build_conditional_expr): For C11, generate result with excess
	precision when one argument is an integer and the other is of a
	type using excess precision.

2017-09-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	* c-typeck.c (build_c_cast): Implement -Wcast-align=strict.

2017-09-13  Marek Polacek  <polacek@redhat.com>

	PR c/82167
	* c-typeck.c (c_expr_sizeof_expr): Use the type of expr.value rather
	than expr.original_type.

2017-09-12  Nathan Sidwell  <nathan@acm.org>

	* c-decl.c (field_decl_cmp, resort_data, resort_field_decl_cmp,
	resort_sorted_fields): Moved from c-family/c-common.c.
	* c-lang.h (struct sorted_fields_type): Moved from c-family/c-common.h.

2017-09-01  Joseph Myers  <joseph@codesourcery.com>

	PR c/82071
	* c-typeck.c (build_atomic_assign): Handle argument with excess
	precision.  Ensure any EXCESS_PRECISION_EXPR is present in
	argument passed to build_binary_op and convert_for_assignment but
	not for call to c_fully_fold.
	(build_modify_expr): Do not remove EXCESS_PRECISION_EXPR early.
	Ensure build_binary_op is called with argument with original
	semantic type.  Avoid calling c_fully_fold with an
	EXCESS_PRECISION_EXPR from build_binary_op.

2017-09-01  Jakub Jelinek  <jakub@redhat.com>

	PR c/81887
	* c-parser.c (c_parser_omp_ordered): Handle -fopenmp-simd.

2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
	    Alan Hayward  <alan.hayward@arm.com>
	    David Sherwood  <david.sherwood@arm.com>

	* c-typeck.c (build_binary_op): Use SCALAR_TYPE_MODE.
	(c_common_type): Likewise.  Use as_a <scalar_mode> when setting
	m1 and m2 to the signed equivalent of a fixed-point
	SCALAR_TYPE_MODE.

2017-08-24  David Malcolm  <dmalcolm@redhat.com>

	* c-tree.h (c_expr::get_location) Use EXPR_HAS_LOCATION rather
	than CAN_HAVE_LOCATION_P when determining whether to use the
	location_t value within "value".

2017-08-21  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (c_parser_expr_list): Use c_expr::get_location ()
	rather than peeking the location of the first token.
	* c-tree.h (c_expr::get_location): New method.

2017-08-21  David Malcolm  <dmalcolm@redhat.com>

	* c-typeck.c (build_function_call_vec): Pass arg_loc to call
	to check_function_arguments.

2017-08-18  Marek Polacek  <polacek@redhat.com>

	* c-parser.c (c_parser_postfix_expression): Remove unused code.  Update
	commentary.

2017-08-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR c/53037
	* c-decl.c (merge_decls): Also merge DECL_WARN_IF_NOT_ALIGN.
	(check_bitfield_type_and_width): Don't allow bit-field with
	warn_if_not_aligned type.

2017-08-14  Martin Sebor  <msebor@redhat.com>

	PR c/81117
	* c-objc-common.c (c_objc_common_init): Handle 'G'.

2017-08-11  Marek Polacek  <polacek@redhat.com>

	PR c/81795
	* c-decl.c (pushtag): Only print inform if the warning was printed.
	(grokdeclarator): Likewise.

2017-08-10  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (c_parser_error): Rename to...
	(c_parser_error_richloc): ...this, making static, and adding
	"richloc" parameter, passing it to the c_parse_error call,
	rather than calling c_parser_set_source_position_from_token.
	(c_parser_error): Reintroduce, reimplementing in terms of the
	above, converting return type from void to bool.
	(class token_pair): New class.
	(struct matching_paren_traits): New struct.
	(matching_parens): New typedef.
	(struct matching_brace_traits): New struct.
	(matching_braces): New typedef.
	(get_matching_symbol): New function.
	(c_parser_require): Add param MATCHING_LOCATION, using it to
	highlight matching "opening" tokens for missing "closing" tokens.
	(c_parser_skip_until_found): Likewise.
	(c_parser_static_assert_declaration_no_semi): Convert explicit
	parsing of CPP_OPEN_PAREN and CPP_CLOSE_PAREN to use of
	class matching_parens, so that the pertinent open parenthesis is
	highlighted when there are problems locating the close
	parenthesis.
	(c_parser_struct_or_union_specifier): Likewise.
	(c_parser_typeof_specifier): Likewise.
	(c_parser_alignas_specifier): Likewise.
	(c_parser_simple_asm_expr): Likewise.
	(c_parser_braced_init): Likewise, for matching_braces.
	(c_parser_paren_condition): Likewise, for matching_parens.
	(c_parser_switch_statement): Likewise.
	(c_parser_for_statement): Likewise.
	(c_parser_asm_statement): Likewise.
	(c_parser_asm_operands): Likewise.
	(c_parser_cast_expression): Likewise.
	(c_parser_sizeof_expression): Likewise.
	(c_parser_alignof_expression): Likewise.
	(c_parser_generic_selection): Likewise.
	(c_parser_postfix_expression): Likewise for cases RID_VA_ARG,
	RID_OFFSETOF, RID_TYPES_COMPATIBLE_P, RID_AT_SELECTOR,
	RID_AT_PROTOCOL, RID_AT_ENCODE, reindenting as necessary.
	In case CPP_OPEN_PAREN, pass loc_open_paren to the
	c_parser_skip_until_found call.
	(c_parser_objc_class_definition): Use class matching_parens as
	above.
	(c_parser_objc_method_decl): Likewise.
	(c_parser_objc_try_catch_finally_statement): Likewise.
	(c_parser_objc_synchronized_statement): Likewise.
	(c_parser_objc_at_property_declaration): Likewise.
	(c_parser_oacc_wait_list): Likewise.
	(c_parser_omp_var_list_parens): Likewise.
	(c_parser_omp_clause_collapse): Likewise.
	(c_parser_omp_clause_default): Likewise.
	(c_parser_omp_clause_if): Likewise.
	(c_parser_omp_clause_num_threads): Likewise.
	(c_parser_omp_clause_num_tasks): Likewise.
	(c_parser_omp_clause_grainsize): Likewise.
	(c_parser_omp_clause_priority): Likewise.
	(c_parser_omp_clause_hint): Likewise.
	(c_parser_omp_clause_defaultmap): Likewise.
	(c_parser_oacc_single_int_clause): Likewise.
	(c_parser_omp_clause_ordered): Likewise.
	(c_parser_omp_clause_reduction): Likewise.
	(c_parser_omp_clause_schedule): Likewise.
	(c_parser_omp_clause_num_teams): Likewise.
	(c_parser_omp_clause_thread_limit): Likewise.
	(c_parser_omp_clause_aligned): Likewise.
	(c_parser_omp_clause_linear): Likewise.
	(c_parser_omp_clause_safelen): Likewise.
	(c_parser_omp_clause_simdlen): Likewise.
	(c_parser_omp_clause_depend): Likewise.
	(c_parser_omp_clause_map): Likewise.
	(c_parser_omp_clause_device): Likewise.
	(c_parser_omp_clause_dist_schedule): Likewise.
	(c_parser_omp_clause_proc_bind): Likewise.
	(c_parser_omp_clause_uniform): Likewise.
	(c_parser_omp_for_loop): Likewise.
	(c_parser_cilk_clause_vectorlength): Likewise.
	(c_parser_cilk_clause_linear): Likewise.
	(c_parser_transaction_expression): Likewise.
	* c-parser.h (c_parser_require): Add param matching_location with
	default UNKNOWN_LOCATION.
	(c_parser_error): Convert return type from void to bool.
	(c_parser_skip_until_found): Add param matching_location with
	default UNKNOWN_LOCATION.

2017-08-09  Marek Polacek  <polacek@redhat.com>

	* c-decl.c (build_enumerator): Use true/false instead of 1/0.
	* c-tree.h (build_external_ref): Update declaration.
	* c-typeck.c (build_array_ref): Use true/false instead of 1/0.
	(build_external_ref): Change the type of a parameter to bool.
	(parser_build_binary_op): Use true/false instead of 1/0.
	(pointer_diff): Likewise.
	(build_modify_expr): Likewise.
	(set_designator): Change the type of a parameter to bool.
	(set_init_index): Use true/false instead of 1/0.
	(set_init_label): Likewise.
	(output_init_element): Change the type of a parameter to bool.
	(output_pending_init_elements): Use true/false instead of 1/0.
	(process_init_element): Likewise.
	(build_binary_op): Change the type of a parameter to bool.

2017-08-09  Marek Polacek  <polacek@redhat.com>

	PR c/81233
	* c-typeck.c (pedwarn_init): Make the function take a variable list.
	Call emit_diagnostic_valist instead of pedwarn.
	(convert_for_assignment): Unroll the PEDWARN_FOR_ASSIGNMENT macro.
	Print the relevant types in diagnostics.

2017-08-09  Marek Polacek  <polacek@redhat.com>

	PR c/81417
	* c-array-notation.c (fix_builtin_array_notation_fn): Update calls to
	build_conditional_expr.	
	* c-parser.c (c_parser_conditional_expression): Create locations for
	EXP1 and EXP2 from their source ranges.  Pass the locations down to
	build_conditional_expr.
	* c-tree.h (build_conditional_expr): Update declaration.
	* c-typeck.c (build_conditional_expr): Add location_t parameters.
	For -Wsign-compare, also print the types.

2017-08-08  Martin Liska  <mliska@suse.cz>

	* c-convert.c: Include header files.
	* c-typeck.c: Likewise.

2017-08-07  Martin Liska  <mliska@suse.cz>

	* c-parser.c (c_parser_attributes): Canonicalize name of an
	attribute.

2017-08-02  Marek Polacek  <polacek@redhat.com>

	PR c/81289
	* c-parser.c (c_parser_unary_expression): Use set_error.

	PR c/81448
	PR c/81306
	* c-warn.c (warn_for_multistatement_macros): Prevent bogus
	warnings.  Avoid walking MACRO_MAP_LOCATIONS.

2017-07-31  Jan Hubicka <hubicka@ucw.cz>
	    Martin Liska  <mliska@suse.cz>

	* c-typeck.c (c_finish_goto_label): Build gimple predict
	statement.

2017-07-31  Martin Liska  <mliska@suse.cz>

	PR sanitize/81530
	* c-convert.c (convert): Guard condition with flag_sanitize_p
	also with current_function_decl non-null equality.
	* c-decl.c (grokdeclarator): Likewise.
	* c-typeck.c (build_binary_op): Likewise.

2017-07-25  Marek Polacek  <polacek@redhat.com>

	* c-decl.c (grokfield): Remove local variable.

2017-07-25  Marek Polacek  <polacek@redhat.com>

	PR c/81364
	* c-parser.c (c_parser_else_body): Don't warn about multistatement
	macro expansion if the body is in { }.
	(c_parser_while_statement): Likewise.
	(c_parser_for_statement): Likewise.

2017-07-18  Nathan Sidwell  <nathan@acm.org>

	* c-parser.c (c_parser_array_notation): Use TYPE_{MIN,MAX}_VALUE.

2017-07-14  David Malcolm  <dmalcolm@redhat.com>

	* c-decl.c (implicitly_declare): When suggesting a missing
	#include, provide a fix-it hint.

2017-07-06  David Malcolm  <dmalcolm@redhat.com>

	* c-lang.c (selftest::run_c_tests): Move body to c_family_tests,
	and call that instead.
	* c-tree.h (selftest::run_c_tests): New decl.

2017-06-26  Marek Polacek  <polacek@redhat.com>

	PR c/80116
	* c-parser.c (c_parser_if_body): Set the location of the
	body of the conditional after parsing all the labels.  Call
	warn_for_multistatement_macros.
	(c_parser_else_body): Likewise.
	(c_parser_switch_statement): Likewise.
	(c_parser_while_statement): Likewise.
	(c_parser_for_statement): Likewise.
	(c_parser_statement): Add a default argument.  Save the location
	after labels have been parsed.
	(c_parser_c99_block_statement): Likewise.

2017-06-19  Richard Biener  <rguenther@suse.de>

	* gimple-parser.c (c_parser_gimple_postfix_expression): Handle
	negated _Literals to parse _Literal (int) -1.

2017-06-13  Martin Liska  <mliska@suse.cz>

	PR sanitize/78204
	* c-convert.c (convert): Use sanitize_flags_p.
	* c-decl.c (grokdeclarator): Likewise.
	* c-typeck.c (convert_for_assignment): Likewise.
	(c_finish_return): Likewise.
	(build_binary_op): Likewise.

2017-06-08  Jakub Jelinek  <jakub@redhat.com>

	PR c/81006
	* c-typeck.c (handle_omp_array_sections_1): Convert TYPE_MAX_VALUE
	to sizetype before size_binop.

2017-06-07  Jakub Jelinek  <jakub@redhat.com>

	* gimple-parser.c (c_parser_parse_gimple_body): Use TDI_gimple instead
	of TDI_generic.

2017-06-06  Marek Polacek  <polacek@redhat.com>

	PR c/79983
	* c-decl.c (start_struct): Use the location of TYPE_STUB_DECL of
	ref.
	(start_enum): Use the location of TYPE_STUB_DECL of enumtype.

2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	* c-parser.c (c_parser_binary_expression): Implement the
	-Wsizeof_pointer_div warning.
	(c_parser_postfix_expression): Allow SIZEOF_EXPR as expr.original_code
	from a parenthesized expression.
	(c_parser_expr_list): Use c_last_sizeof_loc.
	* c-tree.h (c_last_sizeof_loc): New external.
	* c-typeck.c (c_last_sizeof_loc): New variable.
	(c_expr_sizeof_expr, c_expr_sizeof_type): Assign c_last_sizeof_loc.

2017-05-31  Mikhail Maltsev  <maltsevm@gmail.com>

	PR testsuite/80580
	* gimple-parser.c (c_parser_gimple_if_stmt): Check for empty labels.

2017-05-30  David Malcolm  <dmalcolm@redhat.com>

	* c-objc-common.c (c_tree_printer): Gain bool and const char **
	parameters.

2017-05-24  Martin Sebor  <msebor@redhat.com>

	PR c/80731
	* c-fold.c (c_fully_fold_internal): Adjust.
	* c-typeck.c (parser_build_unary_op): Adjust.

2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>

	* c-parser.c (OACC_KERNELS_CLAUSE_MASK): Add
	"PRAGMA_OACC_CLAUSE_NUM_GANGS", "PRAGMA_OACC_CLAUSE_NUM_WORKERS",
	"VECTOR_LENGTH".

2017-05-23  Marek Polacek  <polacek@redhat.com>

	* c-parser.c (c_parser_compound_statement_nostart): Remove redundant
	quotes.

2017-05-22  Jakub Jelinek  <jakub@redhat.com>

	* c-fold.c (c_fully_fold_internal): Save the c_fully_fold_internal
	result for SAVE_EXPR operand and set SAVE_EXPR_FOLDED_P even if
	it returned invariant.  Call tree_invariant_p unconditionally
	afterwards to decide whether to return expr or op0.

2017-05-22  Nathan Sidwell  <nathan@acm.org>

	* c-decl.c (c_parse_final_cleanups): Drop TDI_tu handling.

2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>

	* c-parser.c (c_parser_omp_clause_default): Handle
	"OMP_CLAUSE_DEFAULT_PRESENT".

2017-05-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	* config-lang.in (gtfiles): Add c-family/c-format.c.

2017-05-18  Nathan Sidwell  <nathan@acm.org>

	* c-decl.c (pushdecl_top_level): Delete unused function.

2017-05-18  Marek Polacek  <polacek@redhat.com>

	* c-decl.c (match_builtin_function_types): Use NULL_TREE instead of 0.
	(check_earlier_gotos): Likewise.
	(define_label): Likewise.
	(pending_xref_error): Likewise.
	(smallest_type_quals_location): Likewise.
	(grokdeclarator): Likewise.
	(grokparms): Likewise.
	(identifier_global_value): Likewise.
	* c-typeck.c (set_nonincremental_init_from_string): Likewise.
	(find_init_member): Likewise.

2017-05-18  Marek Polacek  <polacek@redhat.com>

	* c-decl.c (start_decl): Use false/true instead of 0/1.
	(grokdeclarator): Likewise.
	(finish_struct): Likewise.
	(start_function): Change the return type to bool.  Use false/true
	instead of 0/1.
	(declspecs_add_qual): Use UNKNOWN_LOCATION instead of 0.
	* c-tree.h (start_function): Update.
	* c-typeck.c (same_translation_unit_p): Change the return type to bool.
	(set_designator): Change the return type to bool.  Use false/true
	instead of 0/1.

2017-05-17  Marek Polacek  <polacek@redhat.com>

	* c-decl.c: Use NULL_TREE instead of 0 where appropriate.
	* c-typeck.c: Likewise.

2017-05-17  Marek Polacek  <polacek@redhat.com>

	PR sanitizer/80659
	* c-decl.c (build_compound_literal): Set DECL_ARTIFICIAL and
	DECL_IGNORED_P even for non-static compound literals.

2017-05-17  Martin Liska  <mliska@suse.cz>

	* c-decl.c (c_parse_final_cleanups): Introduce dump_flags_t type and
	use it instead of int type.

2017-05-17  Marek Polacek  <polacek@redhat.com>

	* c-convert.c (convert): Replace c_save_expr with save_expr.  Don't
	call c_fully_fold.
	(convert) <case COMPLEX_TYPE>: Remove special handling of COMPLEX_TYPEs.
	* c-decl.c (grokdeclarator): Replace c_save_expr with save_expr. 
	* c-fold.c (c_fully_fold_internal): Handle SAVE_EXPR.
	* c-parser.c (c_parser_declaration_or_fndef): Replace c_save_expr with
	save_expr.
	(c_parser_conditional_expression): Likewise.
	* c-tree.h (SAVE_EXPR_FOLDED_P): Define.
	* c-typeck.c (build_modify_expr): Replace c_save_expr with save_expr.
	(process_init_element): Likewise.
	(build_binary_op): Likewise.
	(handle_omp_array_sections_1): Likewise.

2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>

	* c-parser.c (c_parser_omp_clause_num_gangs)
	(c_parser_omp_clause_num_workers)
	(c_parser_omp_clause_vector_length): Merge functions into...
	(c_parser_oacc_single_int_clause): ... this new function.  Adjust
	all users.

2017-05-11  Nathan Sidwell  <nathan@acm.org>

	* gimple-parser.c: Don't #include tree-dump.h.

2017-05-11  Mikhail Maltsev  <maltsevm@gmail.com>

	PR testsuite/80580
	* gimple-parser.c (c_parser_parse_ssa_name): Validate SSA name base.

2017-05-11  Mikhail Maltsev  <maltsevm@gmail.com>

	PR testsuite/80580
	* gimple-parser.c (c_parser_gimple_postfix_expression): Handle
	incorrect __MEM syntax.

2017-05-11  Mikhail Maltsev  <maltsevm@gmail.com>

	PR testsuite/80580
	* gimple-parser.c (c_parser_gimple_unary_expression): Check argument
	type of unary '*'.

2017-05-09  Nathan Sidwell  <nathan@acm.org>

	* c-tree.h (pushdecl): Declare.

2017-05-05  David Malcolm  <dmalcolm@redhat.com>

	* c-decl.c (warn_defaults_to): Replace report_diagnostic
	with diagnostic_report_diagnostic.
	* c-errors.c (pedwarn_c99): Likewise.
	(pedwarn_c90): Likewise.

2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>

        PR c++/80038
	* c-gimplify.c (c_gimplify_expr): Remove calls to
	cilk_gimplifY_call_params_in_spawned_fn.

2017-04-25  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (c_parser_struct_or_union_specifier): Add fix-it
	hint for removing extra semicolon.

2017-04-21  Jakub Jelinek  <jakub@redhat.com>

	PR c/80468
	* c-decl.c (finish_declspecs) <case cts_int_n>: If int_n_idx is not
	enabled, set specs->type to integer_type_node.

2017-04-03  Jonathan Wakely  <jwakely@redhat.com>

	* c-array-notation.c: Fix typo in comment.

2017-03-29  Marek Polacek  <polacek@redhat.com>

	PR c/79730
	* c-decl.c (finish_decl): Check VAR_P.

2017-03-27  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/80162
	* c-tree.h (c_mark_addressable): Add array_ref_p argument.
	* c-typeck.c (c_mark_addressable): Likewise.  Look through
	VIEW_CONVERT_EXPR unless array_ref_p and VCE is from VECTOR_TYPE
	to ARRAY_TYPE.
	(build_array_ref): Pass true as array_ref_p to c_mark_addressable.

2017-03-23  Marek Polacek  <polacek@redhat.com>

	* c-tree.h: Remove a C_RID_YYCODE reference.

2017-03-21  Jakub Jelinek  <jakub@redhat.com>

	PR c/80097
	* c-typeck.c (build_binary_op): Add EXCESS_PRECISION_EXPR only around
	optional COMPOUND_EXPR with ubsan instrumentation.

2017-03-17  Marek Polacek  <polacek@redhat.com>

	* c-parser.c: Add C11 references.

2017-03-15  Marek Polacek  <polacek@redhat.com>

	* c-parser.c (c_parser_enum_specifier): Remove redundant line.

2017-03-11  Marek Polacek  <polacek@redhat.com>

	* c-decl.c (implicit_decl_warning): Add a comment.  Fix formatting.

2017-03-10  David Malcolm  <dmalcolm@redhat.com>

	PR translation/79848
	* c-decl.c (declspecs_add_type): Simplify uses of "%<%s%>" to
	"%qs".
	* c-parser.c (c_parser_oacc_shape_clause): Likewise.

2017-03-09  Marek Polacek  <polacek@redhat.com>

	PR sanitizer/79757
	* c-parser.c (c_parser_declaration_or_fndef): Don't sanitize old-style
	parameter declarations with initializers.

2017-03-09  Jakub Jelinek  <jakub@redhat.com>

	PR c/79969
	* c-decl.c (start_enum): Adjust DECL_SOURCE_LOCATION of
	TYPE_STUB_DECL.

2017-03-07  Jakub Jelinek  <jakub@redhat.com>

	PR c/79834
	* c-parser.c (c_parser_pragma): Use error_at instead of c_parser_error
	for "may only be used in compound statements" diagnostics, change it
	such that the same translatable string is used for all pragmas.  For
	PRAGMA_OACC_WAIT use "acc wait" rather than "acc enter data" in the
	diagnostics.
	(c_parser_omp_cancellation_point, c_parser_omp_target_update,
	c_parser_omp_target_enter_data, c_parser_omp_target_exit_data): Change
	"may only be used in compound statements" diagnostics, such that the
	same translatable string is used for all pragmas.

2017-03-04  Marek Polacek  <polacek@redhat.com>

	PR c/79847
	* c-decl.c (implicit_decl_warning): Add missing space.

2017-03-03  Marek Polacek  <polacek@redhat.com>

	PR c/79758
	* c-decl.c (store_parm_decls_oldstyle): Check if the element of
	current_function_prototype_arg_types is error_mark_node.  Fix
	formatting.  Use TREE_VALUE instead of TREE_TYPE.

2017-03-03  Jakub Jelinek  <jakub@redhat.com>

	PR c/79837
	* c-parser.c (c_parser_omp_clause_reduction): Don't mention
	%<min%> or %<max%> in the diagnostics, instead mention identifier.
	(c_parser_omp_declare_reduction): Don't mention %<min%> in the
	diagnostics.

	PR c/79836
	* c-parser.c (c_parser_generic_selection): Use %<_Generic%>
	instead of %<_Generic>.
	(c_parser_omp_ordered): Use %<depend%> instead of %<depend>.
	(c_parser_omp_target_exit_data): Use %<release%> instead of
	%<release>.

2017-02-28  Jakub Jelinek  <jakub@redhat.com>

	* c-parser.c (c_parser_asm_statement): Use cond ? G_("...") : G_("...")
	instead of just cond ? "..." : "...".
	(c_parser_oacc_enter_exit_data): Use %s and ternary operator only
	for "enter"/"exit" keyword.
	(c_finish_oacc_routine): Don't use %s to supply portions of the
	message.

2017-02-24  Jakub Jelinek  <jakub@redhat.com>

	PR c++/79588
	* c-parser.c (c_parser_postfix_expression_after_primary): Don't
	handle -Wrestrict here.
	* c-typeck.c (build_function_call_vec): Adjust
	check_function_arguments caller.

2017-02-23  Richard Biener  <rguenther@suse.de>

	PR c/79684
	* gimple-parser.c (c_parser_gimple_statement): Use set_error
	to initialize c_exprs to return.
	(c_parser_gimple_binary_expression): Likewise.
	(c_parser_gimple_unary_expression): Likewise.
	(c_parser_gimple_postfix_expression): Likewise.

2017-02-22  Marek Polacek  <polacek@redhat.com>

	PR c/79662
	* c-typeck.c (convert_arguments): Handle error_mark_node.

2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	* gimple-parser.c (c_parser_gimple_postfix_expression): Check return
	value of c_parser_parse_ssa_name against error_mark_node and emit
	error if ssa name is anonymous and written as default definition.

2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	* gimple-parser.c (c_parser_gimple_postfix_expression): Handle
	FMA_EXPR.

2017-02-16  Jakub Jelinek  <jakub@redhat.com>

	PR c++/79512
	* c-parser.c (c_parser_omp_target): For -fopenmp-simd
	ignore #pragma omp target even when not followed by identifier.

2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	* gimpler-parser.c (c_parser_gimple_statement): Handle ABS_EXPR.
	(c_parser_gimple_unary_expression): Likewise.

2017-02-13  Jakub Jelinek  <jakub@redhat.com>

	* c-parser.c (c_parser_oacc_declare): Add missing space in
	diagnostics.

2017-02-13  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	PR c/79478
	* gimple-parser.c (c_parser_gimple_postfix_expression): Call
	set_c_expr_source_range when parsing ssa-name.

2017-02-10  Prasad Ghangal  <prasad.ghangal@gmail.com>
	Richard Biener  <rguenther@suse.de>

	* gimple-parser.c (c_parser_gimple_binary_expression): Avoid
	building IL when arguments are error_mark_node.
	(c_parser_gimple_unary_expression): Likewise.
	(c_parser_gimple_if_stmt): Likewise.
	(c_parser_gimple_switch_stmt): Likewise.
	(c_parser_gimple_return_stmt): Likewise.
	(c_parser_parse_ssa_name): When name lookup fails do not build
	an SSA name.  Use undeclared rather than not declared in error
	reporting.

2017-02-09  Marek Polacek  <polacek@redhat.com>

	PR c/79428
	* c-parser.c (c_parser_omp_ordered): Call c_parser_skip_to_pragma_eol
	instead of c_parser_skip_until_found.

2017-02-09  Jakub Jelinek  <jakub@redhat.com>

	PR c/79431
	* c-parser.c (c_parser_omp_declare_target): Don't invoke
	symtab_node::get on automatic variables.

2016-02-09  Nathan Sidwell  <nathan@codesourcery.com>
	    Chung-Lin Tang  <cltang@codesourcery.com>

	* c-parser.c (c_parser_omp_clause_collapse): Disallow tile.
	(c_parser_oacc_clause_tile): Disallow collapse. Fix parsing and
	semantic checking.
	* c-parser.c (c_parser_omp_for_loop): Accept tiling constructs.

2017-02-07  Richard Biener  <rguenther@suse.de>

	* gimple-parser.c (c_parser_gimple_expr_list): Simplify.
	(c_parser_gimple_postfix_expression_after_primary):
	Do not use c_build_function_call_vec to avoid folding and promotion.
	Simplify.

2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>

	PR lto/79061
	* c-decl.c (pop_scope): Pass main_input_filename to
	build_translation_unit_decl.

2017-01-24  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c: Include "read-rtl-function.h" and
	"run-rtl-passes.h".
	(c_parser_declaration_or_fndef): Rename "gimple-pass-list" in
	grammar to gimple-or-rtl-pass-list.  Add rtl-function-definition
	production.  Update for renaming of field "gimple_pass" to
	"gimple_or_rtl_pass".  If __RTL was seen, call
	c_parser_parse_rtl_body.  Convert a timevar_push/pop pair
	to an auto_timevar, to cope with early exit.
	(c_parser_declspecs): Update RID_GIMPLE handling for renaming of
	field "gimple_pass" to "gimple_or_rtl_pass", and for renaming of
	c_parser_gimple_pass_list to c_parser_gimple_or_rtl_pass_list.
	Handle RID_RTL.
	(c_parser_parse_rtl_body): New function.
	* c-tree.h (enum c_declspec_word): Add cdw_rtl.
	(struct c_declspecs): Rename field "gimple_pass" to
	"gimple_or_rtl_pass".  Add field "rtl_p".
	* gimple-parser.c (c_parser_gimple_pass_list): Rename to...
	(c_parser_gimple_or_rtl_pass_list): ...this, updating accordingly.
	* gimple-parser.h (c_parser_gimple_pass_list): Rename to...
	(c_parser_gimple_or_rtl_pass_list): ...this.

2017-01-20  Marek Polacek  <polacek@redhat.com>

	PR c/64279
	* c-typeck.c (build_conditional_expr): Warn about duplicated branches.

2017-01-13  Richard Biener  <rguenther@suse.de>

	* gimple-parser.c (c_parser_gimple_compound_statement): Handle
	nops.

2017-01-13  Richard Biener  <rguenther@suse.de>

	* gimple-parser.c (c_parser_gimple_postfix_expression): Parse
	_Literal ( type-name ) number.

2017-01-12  Richard Biener  <rguenther@suse.de>

	* gimple-parser.c (c_parser_gimple_postfix_expression): Parse
	__MEM.

2017-01-11  Jakub Jelinek  <jakub@redhat.com>

	PR c++/72813
	* c-decl.c (pop_file_scope): Set flag_syntax_only to 1 after writing
	PCH file.

2017-01-11  Richard Biener  <rguenther@suse.de>

	PR bootstrap/79052
	* gimple-parser.c (c_parser_gimple_switch_stmt): Add missing
	returns on parse errors.

2017-01-04  Marek Polacek  <polacek@redhat.com>

	PR c++/64767
	* c-parser.c (c_parser_postfix_expression): Mark zero character
	constants by setting original_type in c_expr.
	* c-typeck.c (parser_build_binary_op): Warn when a pointer is compared
	with a zero character constant.
	(char_type_p): New function.

2017-01-04  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (c_parser_declaration_or_fndef): Create a
	rich_location at init_loc and parse it to start_init.
	(last_init_list_comma): New global.
	(c_parser_braced_init): Update last_init_list_comma when parsing
	commas.  Pass it to pop_init_level.  Pass location of closing
	brace to pop_init_level.
	(c_parser_postfix_expression_after_paren_type): Create a
	rich_location at type_loc and parse it to start_init.
	(c_parser_omp_declare_reduction): Likewise for loc.
	* c-tree.h (start_init): Add rich_location * param.
	(pop_init_level): Add location_t param.
	* c-typeck.c (struct initializer_stack): Add field
	"missing_brace_richloc".
	(start_init): Add richloc param, use it to initialize
	the stack node's missing_brace_richloc.
	(last_init_list_comma): New decl.
	(finish_implicit_inits): Pass last_init_list_comma to
	pop_init_level.
	(push_init_level): When finding missing open braces, add fix-it
	hints to the richloc.
	(pop_init_level): Add "insert_before" param and pass it
	when calling pop_init_level.  Add fixits about missing
	close braces to any richloc.  Use the richloc for the
	-Wmissing-braces warning.
	(set_designator): Pass last_init_list_comma to pop_init_level.
	(process_init_element): Likewise.

2017-01-01  Jakub Jelinek  <jakub@redhat.com>

	Update copyright years.

2016-12-21  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/78817
	* c-typeck.c (build_function_call_vec): If check_function_arguments
	returns true, set TREE_NO_WARNING on CALL_EXPR.

	PR c/77767
	* c-decl.c (grokdeclarator): If *expr is non-NULL, append expression
	to *expr instead of overwriting it.

2016-12-20  Richard Biener  <rguenther@suse.de>

	* gimple-parser.c (c_parser_gimple_compound_statement): Improve
	error recovery.
	(c_parser_gimple_statement): Only build assigns for non-error
	stmts.
	(c_parser_gimple_postfix_expression_after): Improve error recovery.

2016-12-14  Martin Jambor  <mjambor@suse.cz>

	* c-parser.c: Include omp-general.h and omp-offload.h instead of
	omp-low.h.
	(c_finish_oacc_routine): Adjusted call to
	get_oacc_fn_attrib, build_oacc_routine_dims and replace_oacc_fn_attrib
	to use their new names.
	(c_parser_oacc_enter_exit_data): Adjusted call to find_omp_clause to
	use its new name.
	(c_parser_oacc_update): Likewise.
	(c_parser_omp_simd): Likewise.
	(c_parser_omp_target_update): Likewise.
	* c-typeck.c: Include omp-general.h instead of omp-low.h.
	(c_finish_omp_cancel): Adjusted call to find_omp_clause to use its new
	name.
	(c_finish_omp_cancellation_point): Likewise.
	* gimple-parser.c: Do not include omp-low.h

2016-12-02  Cesar Philippidis  <cesar@codesourcery.com>
	    James Norris  <jnorris@codesourcery.com>

	* c-parser.c (c_parser_pragma): Error when PRAGMA_OACC_{ENTER_DATA,
	EXIT_DATA,WAIT} are not used in compound statements.
	(c_parser_oacc_enter_exit_data): Update diagnostics.

2016-11-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR c++/71973
	* c-decl.c (diagnose_mismatched_decls): Use
	OPT_Wbuiltin_declaration_mismatch here too.

2016-11-18  Richard Sandiford  <richard.sandiford@arm.com>
	    Alan Hayward  <alan.hayward@arm.com>
	    David Sherwood  <david.sherwood@arm.com>

	* c-decl.c (merge_decls): Use SET_DECL_MODE.
	(make_label, finish_struct): Likewise.

2016-11-14  Prasad Ghangal  <prasad.ghangal@gmail.com>
	    Richard Biener  <rguenther@suse.de>

	* Make-lang.in (C_AND_OBJC_OBJS): Add gimple-parser.o.
	* config-lang.in (gtfiles): Add c/c-parser.h.
	* c-tree.h (enum c_declspec_word): Add cdw_gimple.
	(struct c_declspecs): Add gimple_pass member and gimple_p flag.
	* c-parser.c (enum c_id_kind, struct c_token,
	c_parser_next_token_is, c_parser_next_token_is_not,
	c_parser_next_token_is_keyword,
	enum c_lookahead_kind, enum c_dtr_syn, enum c_parser_prec):
	Split out to ...
	* c-parser.h: ... new header.
	* c-parser.c: Include c-parser.h and gimple-parser.h.
	(c_parser_peek_token, c_parser_peek_2nd_token,
	c_token_starts_typename, c_parser_next_token_starts_declspecs,
	c_parser_next_tokens_start_declaration, c_parser_consume_token,
	c_parser_error, c_parser_require, c_parser_skip_until_found,
	c_parser_declspecs, c_parser_declarator, c_parser_peek_nth_token,
	c_parser_type_name): Export.
	(c_parser_tokens_buf): New function.
	(c_parser_error): Likewise.
	(c_parser_set_error): Likewise.
	(c_parser_declspecs): Handle RID_GIMPLE.
	(c_parser_declaration_or_fndef): Parse __GIMPLE marked body
	via c_parser_parse_gimple_body.
	* c-parser.h (c_parser_peek_token, c_parser_peek_2nd_token,
	c_token_starts_typename, c_parser_next_token_starts_declspecs,
	c_parser_next_tokens_start_declaration, c_parser_consume_token,
	c_parser_error, c_parser_require, c_parser_skip_until_found,
	c_parser_declspecs, c_parser_declarator, c_parser_peek_nth_token,
	c_parser_type_name): Declare.
	(struct c_parser): Declare forward.
	(c_parser_tokens_buf): Declare.
	(c_parser_error): Likewise.
	(c_parser_set_error): Likewise.
	* gimple-parser.c: New file.
	* gimple-parser.h: Likewise.

2016-11-13  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	PR c/35503
	* c-parser.c (c_parser_postfix_expression_after_primary): Call
	warn_for_restrict.

2016-09-11  Le-Chun Wu  <lcwu@google.com>
	    Mark Wielaard  <mjw@redhat.com>

	* c-decl.c (warn_if_shadowing): Use the warning code corresponding
	to the given -Wshadow= variant.

2016-10-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	* c-typeck.c: Include memmodel.h.

2016-10-13  Jakub Jelinek  <jakub@redhat.com>

	PR target/77957
	* c-objc-common.h (LANG_HOOKS_GETDECLS): Use hook_tree_void_null
	instead of lhd_return_null_tree_v.

2016-10-07  Bernd Schmidt  <bschmidt@redhat.com>

	PR c++/69733
	* c-decl.c (smallest_type_quals_location): New static function.
	(grokdeclarator): Try to find the correct location for an ignored
	qualifier.

2016-09-26  Marek Polacek  <polacek@redhat.com>

	PR c/7652
	* c-decl.c (pop_scope): Add gcc_fallthrough.

2016-09-26  Marek Polacek  <polacek@redhat.com>

	PR c/7652
	* c-parser.c (struct c_token): Add flags field.
	(c_lex_one_token): Pass it to c_lex_with_flags.
	(c_parser_declaration_or_fndef): Turn __attribute__((fallthrough));
	into IFN_FALLTHROUGH.
	(c_parser_label): Set FALLTHROUGH_LABEL_P on labels.  Handle
	attribute fallthrough after a case label or default label.
	(c_parser_statement_after_labels): Handle RID_ATTRIBUTE.

2016-09-24  Marek Polacek  <polacek@redhat.com>

	PR c/77490
	* c-typeck.c (build_unary_op): Warn about bit not on expressions that
	have boolean value.  Warn about ++/-- on booleans.

2016-09-23  Jakub Jelinek  <jakub@redhat.com>

	* c-parser.c (incomplete_record_decls): Remove unnecessary
	= vNULL initialization of file scope vec.

2016-09-16  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c (lvalue_p): Use true and false instead of 1 and 0.

2016-09-14  Marek Polacek  <polacek@redhat.com>

	* c-array-notation.c (create_cmp_incr): Use false instead of 0.
	(fix_array_notation_expr): Likewise.
	* c-decl.c (finish_decl): Likewise.
	* c-parser.c (c_parser_postfix_expression_after_primary): Likewise.
	* c-typeck.c (array_to_pointer_conversion): Use true instead of 1.
	(function_to_pointer_conversion): Use false instead of 0.
	(convert_lvalue_to_rvalue): Likewise.
	(parser_build_unary_op): Likewise.
	(build_atomic_assign): Likewise.
	(build_unary_op): Change nonconvert parameter type to bool, use
	true/false instead of 1/0.
	(build_binary_op): Use true instead of 1.

2016-09-13  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (c_parser_declaration_or_fndef): Update for renaming
	of add_fixit_insert to add_fixit_insert_before.

2016-09-13  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c (build_unary_op): Rename FLAG parameter to NOCONVERT.  Use
	it.

2016-09-12  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR c++/77496
	* c-parser.c (c_parser_conditional_expression): Pass the rightmost
	COMPOUND_EXPR to warn_for_omitted_condop.

2016-09-07  David Malcolm  <dmalcolm@redhat.com>

	* c-lang.c (LANG_HOOKS_GET_SUBSTRING_LOCATION): Use
	c_get_substring_location for this new langhook.

2016-09-02  Jakub Jelinek  <jakub@redhat.com>

	PR c/65467
	* c-parser.c (c_parser_declspecs): Don't sorry about _Atomic if
	flag_openmp.
	(c_parser_omp_variable_list): Use convert_lvalue_to_rvalue
	instead of mark_exp_read on low_bound/length expression.
	(c_parser_omp_clause_num_gangs, c_parser_omp_clause_num_threads,
	c_parser_omp_clause_num_tasks, c_parser_omp_clause_grainsize,
	c_parser_omp_clause_priority, c_parser_omp_clause_hint,
	c_parser_omp_clause_num_workers, c_parser_oacc_shape_clause,
	c_parser_oacc_clause_tile, c_parser_omp_clause_schedule,
	c_parser_omp_clause_vector_length, c_parser_omp_clause_num_teams,
	c_parser_omp_clause_thread_limit, c_parser_omp_clause_aligned,
	c_parser_omp_clause_linear, c_parser_omp_clause_safelen,
	c_parser_omp_clause_simdlen, c_parser_omp_clause_device,
	c_parser_omp_clause_dist_schedule): Use convert_lvalue_to_rvalue
	instead of mark_expr_read.
	(c_parser_omp_declare_reduction): Reject _Atomic qualified types.
	* c-objc-common.h (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
	LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP): Redefine.
	* c-tree.h (c_omp_clause_copy_ctor): New prototype.
	* c-typeck.c (handle_omp_array_sections_1): Diagnose _Atomic qualified
	array section bases outside of depend clause, for depend clause
	use convert_lvalue_to_rvalue on the base.
	(c_finish_omp_clauses): Reject _Atomic qualified vars in reduction,
	linear, aligned, map, to and from clauses.
	(c_omp_clause_copy_ctor): New function.

2016-09-01  Marek Polacek  <polacek@redhat.com>

	PR c/7652
	* c-typeck.c (composite_type): Add FALLTHRU comment.

2016-08-31  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (c_parser_declaration_or_fndef): Add trailing space
	to the insertion fixits for "struct", "union", and "enum".

2016-08-30  David Malcolm  <dmalcolm@redhat.com>

	* c-decl.c (implicit_decl_warning): Use add_fixit_replace
	rather than add_fixit_misspelled_id.
	(undeclared_variable): Likewise.
	* c-parser.c (c_parser_declaration_or_fndef): Likewise.  Remove
	now-redundant "here" params from add_fixit_insert method calls.
	(c_parser_parameter_declaration): Likewise.
	* c-typeck.c (build_component_ref): Remove now-redundant range
	param from add_fixit_replace method calls.

2016-08-25  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c (parser_build_binary_op): Pass LHS to
	warn_logical_not_parentheses.

2016-08-25  Marek Polacek  <polacek@redhat.com>

	PR c/77323
	* c-decl.c (declspecs_add_type): Set typespec_word even when __intN
	or _FloatN or _FloatNx is not supported.
	(finish_declspecs): Set type to integer_type_node when _FloatN or
	_FloatNx is not supported.

2016-08-19  Joseph Myers  <joseph@codesourcery.com>

	PR c/32187
	* c-tree.h (cts_floatn_nx): New enum c_typespec_keyword value.
	(struct c_declspecs): Add field floatn_nx_idx.
	* c-decl.c (declspecs_add_type, finish_declspecs): Handle _FloatN
	and _FloatNx type specifiers.
	* c-parser.c (c_keyword_starts_typename, c_token_starts_declspecs)
	(c_parser_declspecs, c_parser_attribute_any_word)
	(c_parser_objc_selector): Use CASE_RID_FLOATN_NX.
	* c-typeck.c (c_common_type): Handle _FloatN and _FloatNx types.
	(convert_arguments): Avoid promoting _FloatN and _FloatNx types
	narrower than double.

2016-08-12  Jakub Jelinek  <jakub@redhat.com>
	    Martin Liska  <mliska@suse.cz>

	PR c/67410
	* c-typeck.c (set_nonincremental_init_from_string): Use / instead of
	% to determine val element to change.  Assert that
	wchar_bytes * charwidth fits into val array.

2016-08-12  Marek Polacek  <polacek@redhat.com>

	PR c/7652
	* c-parser.c (c_parser_external_declaration): Add FALLTHRU.
	(c_parser_postfix_expression): Likewise.
	* c-typeck.c (build_unary_op): Adjust fall through comment.
	(c_mark_addressable): Likewise.

2016-08-11  Jakub Jelinek  <jakub@redhat.com>

	PR c/72816
	* c-decl.c (grokdeclarator): When adding TYPE_DOMAIN for flexible
	array member through typedef, for orig_qual_indirect == 0 clear
	orig_qual_type.

2016-08-08  David Malcolm  <dmalcolm@redhat.com>

	PR c/64955
	* c-lang.c (LANG_HOOKS_RUN_LANG_SELFTESTS): If CHECKING_P, wire
	this up to selftest::run_c_tests.
	(selftest::run_c_tests): New function.

2016-08-04  Thomas Schwinge  <thomas@codesourcery.com>

	* c-parser.c (struct oacc_routine_data): Add error_seen and
	fndecl_seen members.
	(c_finish_oacc_routine): Use these.
	(c_parser_declaration_or_fndef): Adjust.
	(c_parser_oacc_routine): Likewise.  Support more C language
	constructs, and improve diagnostics.  Move pragma context
	checking...
	(c_parser_pragma): ... here.

	* c-parser.c (struct oacc_routine_data): New.
	(c_parser_declaration_or_fndef, c_parser_oacc_routine): Use it.
	Simplify code.
	(c_finish_oacc_routine): Likewise.  Don't attach clauses to "omp
	declare target" attribute.

2016-08-01  Jan Beulich  <jbeulich@suse.com>

	* c-fold.c (c_fully_fold_internal): Also emit shift count
	warnings for vector types.
	* c-typeck.c (build_binary_op): Likewise.

2016-07-29  Marek Polacek  <polacek@redhat.com>

	PR c/71742
	* c-decl.c (finish_struct): Rephrase an error message.

	PR c/71853
	* c-parser.c (c_parser_switch_statement): Initialize ce.original_type
	to error node for invalid code.

	PR c/71573
	* c-decl.c (implicitly_declare): Return decl early not only for
	error_mark_nodes, but for anything that is not a FUNCTION_DECL.

2016-07-29  Jakub Jelinek  <jakub@redhat.com>

	PR c/71969
	* c-decl.c (finish_function): Only set DECL_DISREGARD_INLINE_LIMITS
	on GNU extern inline functions.

2016-07-29  Marek Polacek  <polacek@redhat.com>

	PR c/71583
	* c-parser.c (c_parser_postfix_expression_after_paren_type): Also
	check expr.value.

2016-07-22  Uros Bizjak  <ubizjak@gmail.com>

	* c-typeck.c: Use HOST_WIDE_INT_1 instead of (HOST_WIDE_INT) 1,

2016-07-20  David Malcolm  <dmalcolm@redhat.com>

	* c-decl.c (struct edit_distance_traits<cpp_hashnode *>): Move to
	spellcheck-tree.h
	(best_macro_match): Likewise, converting from a typedef to a
	subclass.
	(find_closest_macro_cpp_cb): Move to spellcheck-tree.c.
	(lookup_name_fuzzy): Update for change of best_macro_match to a
	subclass with a ctor that calls cpp_forall_identifiers.

2016-07-20  David Malcolm  <dmalcolm@redhat.com>

	* c-decl.c (implicit_decl_warning): Update for conversion of
	return type of lookup_name_fuzzy to const char *.
	(undeclared_variable): Likewise.
	(lookup_name_fuzzy): Convert return type from tree to
	const char *.
	* c-parser.c (c_parser_declaration_or_fndef): Update for
	conversion of return type of lookup_name_fuzzy to const char *.
	(c_parser_parameter_declaration): Likewise.

2016-07-15  Cesar Philippidis  <cesar@codesourcery.com>

	* c-parser.c (c_parser_oacc_declare): Don't scan for
	GOMP_MAP_POINTER.
	* c-typeck.c (handle_omp_array_sections): Mark data clauses with
	GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
	zero-length subarrays.

2016-07-15  Jakub Jelinek  <jakub@redhat.com>

	PR c/71858
	* c-decl.c (implicit_decl_warning): Use FUZZY_LOOKUP_FUNCTION_NAME
	instead of FUZZY_LOOKUP_NAME.
	(lookup_name_fuzzy): For FUZZY_LOOKUP_FUNCTION_NAME consider
	FUNCTION_DECLs, {VAR,PARM}_DECLs function pointers and macros.

2016-07-14  Jakub Jelinek  <jakub@redhat.com>

	PR c/71858
	* c-decl.c (lookup_name_fuzzy): Ignore binding->invisible.

2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* c-parser.c (c_parser_generic_selection): Make type of variable
	auto_vec.
	(c_parser_omp_declare_simd): Likewise.

2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* c-decl.c (struct c_struct_parse_info): Change member types
	from vec to auto_vec.
	(start_struct): Adjust.
	(finish_struct): Likewise.

2016-07-02  Jakub Jelinek  <jakub@redhat.com>

	PR c/71719
	* c-typeck.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.

2016-06-29  Thomas Schwinge  <thomas@codesourcery.com>

	* c-parser.c (c_parser_pragma) <PRAGMA_OMP_CANCELLATION_POINT>:
	Move pragma context checking into...
	(c_parser_omp_cancellation_point): ... here, and improve
	diagnostic messages.
	* c-typeck.c (c_finish_omp_cancel)
	(c_finish_omp_cancellation_point): Improve diagnostic messages.

2016-06-29  Jakub Jelinek  <jakub@redhat.com>

	PR c/71685
	* c-typeck.c (c_build_qualified_type): Don't clear
	C_TYPE_INCOMPLETE_VARS for the main variant.

2016-06-28  Martin Sebor  <msebor@redhat.com>

	PR c/71552
	* c-typeck.c (output_init_element): Diagnose incompatible types
	before non-constant initializers.

2016-06-28  Jakub Jelinek  <jakub@redhat.com>

	* Make-lang.in: Don't cat ../stage_current if it does not exist.

2016-06-23  Andi Kleen  <ak@linux.intel.com>

	* Make-lang.in: Add support for autofdo.

2016-06-22  David Malcolm  <dmalcolm@redhat.com>

	PR c/70339
	* c-decl.c: Include spellcheck-tree.h and gcc-rich-location.h.
	(implicit_decl_warning): When issuing warnings for implicit
	declarations, attempt to provide a suggestion via
	lookup_name_fuzzy.
	(undeclared_variable): Likewise when issuing errors.
	(lookup_name_in_scope): Likewise.
	(struct edit_distance_traits<cpp_hashnode *>): New struct.
	(best_macro_match): New typedef.
	(find_closest_macro_cpp_cb): New function.
	(lookup_name_fuzzy): New function.
	* c-parser.c: Include gcc-rich-location.h.
	(c_token_starts_typename): Split out case CPP_KEYWORD into...
	(c_keyword_starts_typename): ...this new function.
	(c_parser_declaration_or_fndef): When issuing errors about
	missing "struct" etc, add a fixit.  For other kinds of errors,
	attempt to provide a suggestion via lookup_name_fuzzy.
	(c_parser_parms_declarator): When looking ahead to detect typos in
	type names, also reject CPP_KEYWORD.
	(c_parser_parameter_declaration): When issuing errors about
	unknown type names, attempt to provide a suggestion via
	lookup_name_fuzzy.
	* c-tree.h (c_keyword_starts_typename): New prototype.

2016-06-20  Joseph Myers  <joseph@codesourcery.com>

	PR c/71601
	* c-typeck.c (build_conditional_expr): Return error_mark_node if
	c_common_type returns error_mark_node.

2016-06-19  Martin Sebor  <msebor@redhat.com>

	PR c/69507
	* c-parser.c (c_parser_alignof_expression): Avoid diagnosing
	__alignof__ (expression).

2016-06-14  David Malcolm  <dmalcolm@redhat.com>

	* c-typeck.c: Include spellcheck-tree.h rather than spellcheck.h.

2016-06-14  David Malcolm  <dmalcolm@redhat.com>

	* c-typeck.c (build_component_ref): Simplify fixit code by
	using gcc_rich_location::add_fixit_misspelled_id.
	(set_init_label): Likewise.

2016-06-13  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (c_parser_initelt): Provide location of name for new
	location_t param of set_init_label.
	* c-tree.h (set_init_label): Add location_t param.
	* c-typeck.c (set_init_index): Add "fieldname_loc" location_t
	param and use it when issuing error messages about unrecognized
	field names.  Attempt to provide a fixit hint if appropriate,
	otherwise update the error message to provide the type name.

2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>

	PR c/71381
	* c-parser.c (c_parser_omp_variable_list) <OMP_CLAUSE__CACHE_>:
	Loosen checking.

2016-06-08  Martin Sebor  <msebor@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR c++/70507
	PR c/68120
	* c-typeck.c (convert_arguments): Don't promote last argument
	of BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.

2016-06-08  Marek Polacek  <polacek@redhat.com>

	PR c/71418
	* c-decl.c (grokdeclarator): Check TYPE_P.

	PR c/71426
	* c-decl.c (get_parm_info): Don't crash on an assert on invalid
	code.

2016-06-07  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (c_parser_postfix_expression): In __builtin_offsetof
	and structure element reference, capture the location of the
	element name token and pass it to build_component_ref.
	(c_parser_postfix_expression_after_primary): Likewise for
	structure element dereference.
	(c_parser_omp_variable_list): Likewise for
	OMP_CLAUSE_{_CACHE, MAP, FROM, TO},
	* c-tree.h (build_component_ref): Add location_t param.
	* c-typeck.c (build_component_ref): Add location_t param
	COMPONENT_LOC.  Use it, if available, when issuing hints about
	mispelled member names to provide a fixit replacement hint.

2016-06-06  Marek Polacek  <polacek@redhat.com>

	PR c/71362
	* c-parser.c (c_parser_direct_declarator): Set location.

2016-06-06  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c (comptypes_internal): Handle comparisons of
	INTEGER_TYPE, FIXED_POINT_TYPE, and REAL_TYPE nodes.  Don't check
	TYPE_REF_CAN_ALIAS_ALL.

2016-06-03  Chung-Lin Tang  <cltang@codesourcery.com>

	* c-typeck.c (c_finish_omp_clauses): Mark OpenACC reduction
	arguments as addressable when async clause exists.

2016-05-30  Jakub Jelinek  <jakub@redhat.com>

	PR c++/71349
	* c-parser.c (c_parser_omp_for): Don't disallow nowait clause
	when combined with target construct.

2016-05-26  Jakub Jelinek  <jakub@redhat.com>

	* c-parser.c (c_parser_omp_clause_schedule): Warn if
	OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive.

2016-05-25  Marek Polacek  <polacek@redhat.com>

	PR c/71265
	* c-decl.c (c_make_fname_decl): Don't check seen_error.

	PR c/71266
	* c-decl.c (store_parm_decls_oldstyle): Skip non-PARM_DECLs.

2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>

	* c-parser.c (c_parser_oacc_declare): Add support for
	GOMP_MAP_FIRSTPRIVATE_POINTER.
	* c-typeck.c (handle_omp_array_sections_1): Replace bool is_omp
	argument with enum c_omp_region_type ort.
	(handle_omp_array_sections): Likewise.  Update call to
	handle_omp_array_sections_1.
	(c_finish_omp_clauses): Add specific errors and warning messages for
	OpenACC.  Use firsrtprivate pointers for OpenACC subarrays.  Update
	call to handle_omp_array_sections.

2016-05-24  Thomas Schwinge  <thomas@codesourcery.com>

	* c-parser.c (c_parser_oacc_routine): Tighten syntax checks.

2016-05-24  Richard Biener  <rguenther@suse.de>

	PR middle-end/70434
	PR c/69504
	* c-typeck.c (build_array_ref): Do not complain about indexing
	non-lvalue vectors.  Adjust for function name change.

2016-05-20  Martin Sebor  <msebor@redhat.com>

	PR c/71115
	* c-typeck.c (error_init): Use
	expansion_point_location_if_in_system_header.
	(warning_init): Same.

2016-05-19  David Malcolm  <dmalcolm@redhat.com>

	PR c/71171
	* c-parser.c (c_parser_generic_selection): Use c_expr::set_error
	in error-handling.
	(c_parser_postfix_expression): Likewise.
	* c-tree.h (c_expr::set_error): New method.
	* c-typeck.c (parser_build_binary_op): In error-handling, ensure
	that result's range is initialized.

2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>

	* c-typeck.c (parser_build_unary_op): Fix formatting.

2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>

	* c-decl.c (grokdeclarator): Remove errmsg and use of
	targetm.invalid_return_type.
	(grokparms): Remove errmsg and use of
	targetm.invalid_parameter_type.

2016-05-13  Joseph Myers  <joseph@codesourcery.com>

	* c-decl.c (grokdeclarator): For C11, discard qualifiers on
	function return type.

2016-05-12  Marek Polacek  <polacek@redhat.com>

	PR c/70756
	* c-decl.c (build_compound_literal): Pass LOC down to
	c_incomplete_type_error.
	* c-tree.h (require_complete_type): Adjust declaration.
	(c_incomplete_type_error): Likewise.
	* c-typeck.c (require_complete_type): Add location parameter, pass it
	down to c_incomplete_type_error.
	(c_incomplete_type_error): Add location parameter, pass it down to
	error_at.
	(build_component_ref): Pass location down to c_incomplete_type_error.
	(default_conversion): Pass location down to require_complete_type.
	(build_array_ref): Likewise.
	(build_function_call_vec): Likewise.
	(convert_arguments): Likewise.
	(build_unary_op): Likewise.
	(build_c_cast): Likewise.
	(build_modify_expr): Likewise.
	(convert_for_assignment): Likewise.
	(c_finish_omp_clauses): Likewise.

2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>

	PR c/43651
	* c-decl.c (declspecs_add_qual): Warn when -Wduplicate-decl-specifier
	is enabled.
	* c-errors.c (pedwarn_c90): Return true if warned.
	* c-tree.h (pedwarn_c90): Change return type to bool.
	(enum c_declspec_word): Add new enumerator cdw_atomic.

2016-05-11  Marek Polacek  <polacek@redhat.com>

	PR c++/71024
	* c-decl.c (diagnose_mismatched_decls): Factor out code to
	diagnose_mismatched_attributes and call it.

2016-05-10  Marek Polacek  <polacek@redhat.com>

	PR c/70255
	* c-decl.c (diagnose_mismatched_decls): Warn for optimize attribute
	on a declaration following the definition.

2016-05-05  Jakub Jelinek  <jakub@redhat.com>

	* c-parser.c (c_parser_switch_statement): Add IF_P argument,
	parse it through to c_parser_c99_block_statement.
	(c_parser_statement_after_labels): Adjust c_parser_switch_statement
	caller.

2016-05-04  Marek Polacek  <polacek@redhat.com>

	* c-parser.c (c_parser_if_statement): Replace OPT_Wparentheses with
	OPT_Wdangling_else.

2016-05-04  Marek Polacek  <polacek@redhat.com>

	PR c/48778
	* c-typeck.c (build_binary_op): Don't issue -Waddress warnings
	for macro expansions.

2016-05-03  Marek Polacek  <polacek@redhat.com>

	PR c/70859
	* c-typeck.c (build_function_call_vec): Pass LOC and ARG_LOC down to
	check_builtin_function_arguments.

2016-05-03  Richard Biener  <rguenther@suse.de>

	* Make-lang.in (cc1-checksum.c): For stage-final re-use
	the checksum from the previous stage.

2016-05-02  Cesar Philippidis  <cesar@codesourcery.com>

	* c-parser.c (c_parser_oacc_all_clauses): Update call to
	c_finish_omp_clauses.
	(c_parser_omp_all_clauses): Likewise.
	(c_parser_oacc_cache): Likewise.
	(c_parser_oacc_loop): Likewise.
	(omp_split_clauses): Likewise.
	(c_parser_omp_declare_target): Likewise.
	(c_parser_cilk_all_clauses): Likewise.
	(c_parser_cilk_for): Likewise.
	* c-typeck.c (c_finish_omp_clauses): Replace bool arguments
	is_omp, declare_simd, and is_cilk with enum c_omp_region_type ort.

2016-05-02  Marek Polacek  <polacek@redhat.com>

	PR c/70851
	* c-decl.c (grokdeclarator): Diagnose when array's size has an
	incomplete type.

2016-04-29  Cesar Philippidis  <cesar@codesourcery.com>

	PR middle-end/70626
	* c-parser.c (c_parser_oacc_loop): Don't augment mask with
	OACC_LOOP_CLAUSE_MASK.
	(c_parser_oacc_kernels_parallel): Update call to
	c_oacc_split_loop_clauses.

2016-04-28  Andrew MacLeod  <amacleod@redhat.com>

	* c-array-notation.c (fix_builtin_array_notation_fn): Fix final
	argument to build_modify_expr in two cases.

2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>

	* c-parser.c (c_parser_postfix_expression_after_primary): Call
	warn_for_memset instead of warning directly here.

2016-04-26  Marek Polacek  <polacek@redhat.com>

	PR c/67784
	* c-parser.c (c_parser_maybe_reclassify_token): New function factored
	out of ...
	(c_parser_for_statement): ... here.
	(c_parser_if_statement): Use it.
	(c_parser_switch_statement): Use it.
	(c_parser_while_statement): Use it.

	PR c/70791
	* c-decl.c (pushdecl): Pass LOCUS down to warning.

2016-04-20  Ilya Verbin  <ilya.verbin@intel.com>

	PR c++/69363
	* c-parser.c (c_parser_cilk_all_clauses): Use c_finish_omp_clauses
	instead of c_finish_cilk_clauses.
	* c-tree.h (c_finish_omp_clauses): Add new default argument.
	* c-typeck.c (c_finish_omp_clauses): Add new argument.  Allow
	floating-point variables in the linear clause for Cilk Plus.

2016-04-18  Michael Matz  <matz@suse.de>

	* c-decl.c (merge_decls): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
	(grokdeclarator, parser_xref_tag, finish_enum): Use SET_TYPE_ALIGN.

2016-04-15  Marek Polacek  <polacek@redhat.com>

	PR c/70671
	* c-typeck.c (build_unary_op): Pass location down to error and
	warning call.

2016-04-15  Jakub Jelinek  <jakub@redhat.com>

	PR c/70436
	* c-parser.c (c_parser_pragma): Add IF_P argument, pass it down
	where needed.
	(c_parser_external_declaration, c_parser_struct_or_union_specifier,
	c_parser_parameter_declaration, c_parser_compound_statement_nostart,
	c_parser_objc_class_instance_variables, c_parser_objc_methodprotolist):
	Adjust c_parser_pragma callers.
	(c_parser_statement_after_labels): Likewise.  Adjust c_parser_cilk_for
	caller.
	(c_parser_omp_structured_block): Add IF_P argument, pass it down to
	c_parser_statement.
	(c_parser_oacc_data, c_parser_oacc_host_data, c_parser_oacc_loop,
	c_parser_oacc_kernels_parallel, c_parser_omp_critical,
	c_parser_omp_simd, c_parser_omp_for, c_parser_omp_master,
	c_parser_omp_ordered, c_parser_omp_parallel, c_parser_omp_single,
	c_parser_omp_task, c_parser_omp_taskgroup, c_parser_omp_distribute,
	c_parser_omp_teams, c_parser_omp_target_data, c_parser_omp_target,
	c_parser_omp_taskloop, c_parser_omp_construct, c_parser_cilk_grainsize,
	c_parser_cilk_simd, c_parser_cilk_for): Add IF_P argument, pass it
	down where needed.
	(c_parser_omp_for_loop): Likewise.  Clear IF_P if nbraces.
	(c_parser_omp_sections_scope): Adjust c_parser_omp_structured_block
	calls.

2016-04-13  Marek Polacek  <polacek@redhat.com>

	PR c/70436
	* c-parser.c (c_parser_statement_after_labels): Add IF_P argument and
	adjust callers.
	(c_parser_statement): Likewise.
	(c_parser_c99_block_statement): Likewise.
	(c_parser_while_statement): Likewise.
	(c_parser_for_statement): Likewise.
	(c_parser_if_body): Don't set IF_P here.
	(c_parser_if_statement): Add IF_P argument.  Set IF_P here.  Warn
	about dangling else here.
	* c-tree.h (c_finish_if_stmt): Adjust declaration.
	* c-typeck.c (c_finish_if_stmt): Remove NESTED_IF parameter.  Don't
	warn about dangling else here.

2016-04-04  Marek Polacek  <polacek@redhat.com>

	PR c/70307
	* c-fold.c (c_fully_fold_internal): Handle VEC_COND_EXPR.

2016-03-31  Marek Polacek  <polacek@redhat.com>

	PR c/70297
	* c-decl.c (merge_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.

2016-03-18  David Malcolm  <dmalcolm@redhat.com>

	PR c/70281
	* c-parser.c (c_parser_postfix_expression): Set the source range
	for uses of "__builtin_types_compatible_p".

2016-03-17  Jakub Jelinek  <jakub@redhat.com>

	PR c/70280
	* c-typeck.c (composite_type): Don't count void_list_node
	into len, if the list is terminated by void_list_node, start
	with void_list_node instead of NULL for newargs.  Stop
	at void_list_node.

2016-03-16  Marek Polacek  <polacek@redhat.com>

	PR c/70093
	* c-typeck.c (build_function_call_vec): Create a TARGET_EXPR for
	nested functions returning VM types.

2016-03-09  Cesar Philippidis  <cesar@codesourcery.com>

	* c-parser.c (c_parser_oacc_loop): Update cclauses and clauses
	when calling c_finish_omp_clauses.

2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>

	PR c/69824
	* c-decl.c (get_parm_info): Don't queue implicit function declarations
	for later.

2016-03-04  Marek Polacek  <polacek@redhat.com>

	PR c/69798
	* c-parser.c (c_parser_postfix_expression): Call
	c_parser_cast_expression rather than c_parser_postfix_expression.

2016-03-01  Jakub Jelinek  <jakub@redhat.com>

	PR c/69796
	PR c/69974
	* c-parser.c (c_parser_translation_unit): Don't change TREE_TYPE
	of incomplete decls to error_mark_node.

2016-02-24  Marek Polacek  <polacek@redhat.com>

	PR c/69819
	* c-decl.c (finish_decl): Don't update the copy of the type of a
	different decl type.

2016-02-23  Jakub Jelinek  <jakub@redhat.com>

	PR objc/69844
	* c-parser.c (c_parser_for_statement): Properly handle ObjC classes
	in id_kind reclassification.

2016-02-16  Jakub Jelinek  <jakub@redhat.com>

	PR c/69835
	* c-typeck.c (build_binary_op): Revert 2015-09-09 change.

2016-02-16  James Norris  <jnorris@codesourcery.com>

	PR c/64748
	* c-parser.c (c_parser_oacc_data_clause_deviceptr): Allow parms.

2016-02-12  Bernd Schmidt  <bschmidt@redhat.com>

	* c-decl.c (build_null_declspecs): Zero the entire struct.

	PR c/69522
	* c-parser.c (c_parser_braced_init): New arg outer_obstack.  All
	callers changed.  If nested_p is true, use it to call
	finish_implicit_inits.
	* c-tree.h (finish_implicit_inits): Declare.
	* c-typeck.c (finish_implicit_inits): New function.  Move code
	from ...
	(push_init_level): ... here.
	(set_designator, process_init_element): Call finish_implicit_inits.

2016-02-11  Jakub Jelinek  <jakub@redhat.com>

	PR c/69768
	* c-typeck.c (parser_build_binary_op): Strip nops from integer_zerop
	arguments for -Waddress warning.

2016-02-04  Jakub Jelinek  <jakub@redhat.com>

	PR c/69669
	* c-decl.c (finish_enum): When honoring mode attribute,
	make sure to use proper TYPE_MIN_VALUE and TYPE_MAX_VALUE.

2016-01-29  Jakub Jelinek  <jakub@redhat.com>

	PR debug/69518
	* c-decl.c (finish_struct): Clear C_TYPE_INCOMPLETE_VARS in
	all type variants, not just TYPE_MAIN_VARIANT.

2016-01-27  Jakub Jelinek  <jakub@redhat.com>

	PR debug/66869
	* c-decl.c (c_write_global_declarations_1): Warn with
	warn_unused_function if static prototype without definition
	is not C_DECL_USED.

2016-01-27  Marek Polacek  <polacek@redhat.com>

	PR c/68062
	* c-typeck.c (build_binary_op) [EQ_EXPR, GE_EXPR]: Promote operand
	to unsigned, if needed.  Add -Wsign-compare warning.

2016-01-26  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/69483
	* c-parser.c (c_parser_translation_unit): Use FOR_EACH_VEC_ELT.

2016-01-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	PR c/24293
	* c-tree.h (incomplete_record_decls): Declare.
	* c-parser.c (incomplete_record_decls): Define.
	(c_parser_translation_unit): Iterate through incomplete_record_decls and
	report error if any decl has zero size.
	* c-decl.c (finish_decl): Append static decl with incomplete struct/union
	or enum type to incomplete_record_decls.

2016-01-14  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/68773
	* c-parser.c (c_parser_oacc_declare, c_parser_omp_declare_target): Don't
	set force_output.

2016-01-14  Marek Polacek  <polacek@redhat.com>

	PR c/69262
	* c-decl.c (grokdeclarator): Provide more information for invalid
	array declarations.

2016-01-06  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (c_parser_unary_expression): For dereferences, build
	a combined location before calling build_indirect_ref, so that
	error reports cover the full range, manually updating the c_expr
	src_range.

2016-01-06  Marek Polacek  <polacek@redhat.com>

	PR sanitizer/69099
	* c-convert.c (convert) [INTEGER_TYPE]: Drop ARG.  Don't pass ARG to
	ubsan_instrument_float_cast.  Fold EXPR.  Use NULL_TREE instead of
	NULL.

2016-01-04  Jakub Jelinek  <jakub@redhat.com>

	Update copyright years.

2016-01-04  Marek Polacek  <polacek@redhat.com>

	PR c/68908
	* c-typeck.c (build_atomic_assign): Improve commentary.  Add
	optimization to use __atomic_fetch_* built-in if possible.

2015-12-23  Thomas Schwinge  <thomas@codesourcery.com>

	* c-parser.c (c_parser_oacc_clause_use_device): Merge function
	into...
	(c_parser_omp_clause_use_device_ptr): ... this function.  Adjust
	all users.

2015-12-22  Marek Polacek  <polacek@redhat.com>

	PR c/69002
	* c-typeck.c (build_component_ref): Warn when acessing elements of
	atomic structures or unions.

2015-12-21  David Malcolm  <dmalcolm@redhat.com>

	* c-typeck.c: Include "gcc-rich-location.h".
	(build_binary_op): In the two places that call binary_op_error,
	create a gcc_rich_location and populate it with the location of
	the binary op and its two operands.

2015-12-16  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (c_parser_statement_after_labels): When calling
	c_finish_return, Use the return expression's location if it has
	one, falling back to the location of the first token within it.
	* c-typeck.c (c_finish_return): When issuing warnings about
	the incorrect presence/absence of a return value, issue a note
	showing the declaration of the function.

2015-12-16  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (struct c_parser): Expand array "tokens_buf" from 2
	to 4.
	(c_parser_peek_nth_token): New function.
	(c_parser_peek_conflict_marker): New function.
	(c_parser_error): Detect conflict markers and report them as such.

2015-12-16  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (c_parser_postfix_expression): Use EXPR_LOC_OR_LOC
	to preserve range information for the primary expression
	in the call to c_parser_postfix_expression_after_primary.

2015-12-16  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (c_parser_static_assert_declaration_no_semi): Use the
	expression location, falling back on the first token location,
	rather than always using the latter.

2015-12-16  Marek Polacek  <polacek@redhat.com>

	PR c/64637
	* c-typeck.c (c_process_expr_stmt): Use location of the expression if
	available.

2015-12-15  Marek Polacek  <polacek@redhat.com>

	PR c/68907
	* c-typeck.c (build_atomic_assign): Set TREE_NO_WARNING on an
	artificial decl.

2015-12-08  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (c_parser_alignof_expression): Capture location of
	closing parenthesis (if any), or of end of unary expression, and
	use it to build a src_range for the expression.

2015-12-08  David Malcolm  <dmalcolm@redhat.com>

	PR c/68757
	* c-parser.c (c_parser_get_builtin_args): Add
	"out_close_paren_loc" param, and write back to it.
	(c_parser_postfix_expression): Capture the closing
	parenthesis location for RID_CHOOSE_EXPR,
	RID_BUILTIN_CALL_WITH_STATIC_CHAIN, RID_BUILTIN_COMPLEX,
	RID_BUILTIN_SHUFFLE and use it to set the source range
	for such expressions; within RID_BUILTIN_COMPLEX set
	the underlying location.

2015-12-07  Marek Polacek  <polacek@redhat.com>

	PR c/68668
	* c-decl.c (grokdeclarator): If ORIG_QUAL_INDIRECT is indirect, use
	TREE_TYPE of ORIG_QUAL_TYPE, otherwise decrement ORIG_QUAL_INDIRECT.

2015-12-04  Eric Botcazou  <ebotcazou@adacore.com>

	* c-tree.h (c_build_va_arg): Adjust prototype.
	* c-parser.c (c_parser_postfix_expression): Adjust call to above.
	* c-typeck.c (c_build_va_arg): Rename LOC parameter to LOC2, add LOC1
	parameter, adjust throughout and issue an error if EXPR is a component
	with reverse storage order.

2015-12-02  Jason Merrill  <jason@redhat.com>

	* c-fold.c (c_disable_warnings, c_enable_warnings, c_fully_fold)
	(c_fully_fold_internal, decl_constant_value_for_optimization):
	Move from c-common.c.
	* c-tree.h: Declare decl_constant_value_for_optimization.
	* Make-lang.in (C_AND_OBJC_OBJS): Add c-fold.o.

2015-12-02  Joseph Myers  <joseph@codesourcery.com>

	PR c/68162
	* c-decl.c (grokdeclarator): Set first_non_attr_kind before
	following link from declarator to next declarator.  Track original
	qualified type and pass it to c_build_qualified_type.
	* c-typeck.c (c_build_qualified_type): Add arguments
	orig_qual_type and orig_qual_indirect.

2015-12-02  Thomas Schwinge  <thomas@codesourcery.com>

	* c-parser.c (c_parser_omp_clause_name)
	(c_parser_oacc_all_clauses): Alphabetical sorting.

2015-12-02  Jakub Jelinek  <jakub@redhat.com>

	PR c/68533
	* c-decl.c (get_parm_info): Use b->locus instead of input_location
	for diagnostics.

2015-12-01  Julian Brown  <julian@codesourcery.com>
	    Cesar Philippidis  <cesar@codesourcery.com>
	    James Norris  <James_Norris@mentor.com>

	* c-parser.c (c_parser_omp_clause_name): Add use_device support.
	(c_parser_oacc_clause_use_device): New function.
	(c_parser_oacc_all_clauses): Add use_device support.
	(OACC_HOST_DATA_CLAUSE_MASK): New macro.
	(c_parser_oacc_host_data): New function.
	(c_parser_omp_construct): Add host_data support.
	* c-tree.h (c_finish_oacc_host_data): Add prototype.
	* c-typeck.c (c_finish_oacc_host_data): New function.
	(c_finish_omp_clauses): Add use_device support.

2015-11-29  Jan Hubicka  <hubicka@ucw.cz>

	PR c/67106
	* c-decl.c: Set TYPE_PACKED in variants.

2015-11-27  Martin Liska  <mliska@suse.cz>

	PR c++/68312
	* c-array-notation.c (fix_builtin_array_notation_fn):
	Use release_vec_vec instead of vec::release.
	(build_array_notation_expr): Likewise.
	(fix_conditional_array_notations_1): Likewise.
	(fix_array_notation_expr): Likewise.
	(fix_array_notation_call_expr): Likewise.

2015-11-27  Jakub Jelinek  <jakub@redhat.com>

	PR c/63326
	* c-parser.c (c_parser_compound_statement_nostart): If
	last_label is true, use pragma_stmt instead of pragma_compound
	as second c_parser_pragma argument.
	(c_parser_omp_ordered, c_parser_omp_target_update,
	c_parser_omp_target_enter_data, c_parser_omp_target_exit_data): Pass
	false as second argument to c_parser_skip_to_pragma_eol after
	diagnosing standalone directives used in pragma_stmt context.

2015-11-24  Ilya Verbin  <ilya.verbin@intel.com>

	* c-parser.c (c_parser_oacc_declare): Replace "ifdef ENABLE_OFFLOADING"
	with "if (ENABLE_OFFLOADING)".

2015-11-23  David Malcolm  <dmalcolm@redhat.com>

	PR objc/68438
	* c-parser.c (c_parser_postfix_expression): Set up source ranges
	for various Objective-C constructs: Class.name syntax,
	@selector(), @protocol(), @encode(), and [] message syntax.

2015-11-20  David Malcolm  <dmalcolm@redhat.com>

	PR 62314
	* c-typeck.c (should_suggest_deref_p): New function.
	(build_component_ref): Special-case POINTER_TYPE when
	generating a "not a structure of union"  error message, and
	suggest a "->" rather than a ".", providing a fix-it hint.

2015-11-19  David Malcolm  <dmalcolm@redhat.com>

	* c-typeck.c (lookup_field_fuzzy): Move determination of closest
	candidate into a new function, find_closest_identifier.

2015-11-19  Marek Polacek  <polacek@redhat.com>

	PR c/68412
	* c-typeck.c (parser_build_binary_op): Properly handle
	C_MAYBE_CONST_EXPR before calling warn_tautological_cmp.

2015-11-17  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (set_c_expr_source_range): Bulletproof both
	overloaded implementations against NULL expr->value.
	(c_parser_braced_init): Set src_range for "ret" to a sane pair of
	values.
	(c_parser_unary_expression): Likewise when handling addresses of
	labels.
	(c_parser_postfix_expression): Likewise for statement expressions,
	for __FUNCTION__, __PRETTY_FUNCTION_ and __func__ keywords, for
	__builtin_va_arg, and for __builtin_offset_of.
	(c_parser_postfix_expression_after_paren_type): Initialize expr's
	src_range using the range of the braced initializer.
	(c_parser_transaction_expression): Set src_range for "ret" to a
	sane pair of values.

2015-11-16  Kirill Yukhin  <kirill.yukhin@intel.com>

	* c-parser.c (c_finish_omp_declare_simd): Look for
	"simd" attribute as well. Update error message.

2015-11-14  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* c-parser.c (c_parser_omp_declare_target): Adjust.

2015-11-14  Jakub Jelinek  <jakub@redhat.com>

	* c-typeck.c (c_finish_omp_clauses): Don't mark
	GOMP_MAP_FIRSTPRIVATE_POINTER decls addressable.

2015-11-14  Marek Polacek  <polacek@redhat.com>

	* c-decl.c: Use RECORD_OR_UNION_TYPE_P throughout.
	* c-typeck.c: Likewise.

2015-11-13  David Malcolm  <dmalcolm@redhat.com>

	* c-decl.c (warn_defaults_to): Pass line_table to
	rich_location ctor.
	* c-errors.c (pedwarn_c99): Likewise.
	(pedwarn_c90): Likewise.
	* c-parser.c (set_c_expr_source_range): New functions.
	(c_token::get_range): New method.
	(c_token::get_finish): New method.
	(c_parser_expr_no_commas): Call set_c_expr_source_range on the ret
	based on the range from the start of the LHS to the end of the
	RHS.
	(c_parser_conditional_expression): Likewise, based on the range
	from the start of the cond.value to the end of exp2.value.
	(c_parser_binary_expression): Call set_c_expr_source_range on
	the stack values for TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
	(c_parser_cast_expression): Call set_c_expr_source_range on ret
	based on the cast_loc through to the end of the expr.
	(c_parser_unary_expression): Likewise, based on the
	op_loc through to the end of op.
	(c_parser_sizeof_expression) Likewise, based on the start of the
	sizeof token through to either the closing paren or the end of
	expr.
	(c_parser_postfix_expression): Likewise, using the token range,
	or from the open paren through to the close paren for
	parenthesized expressions.
	(c_parser_postfix_expression_after_primary): Likewise, for
	various kinds of expression.
	* c-tree.h (struct c_expr): Add field "src_range".
	(c_expr::get_start): New method.
	(c_expr::get_finish): New method.
	(set_c_expr_source_range): New decls.
	* c-typeck.c (parser_build_unary_op): Call set_c_expr_source_range
	on ret for prefix unary ops.
	(parser_build_binary_op): Likewise, running from the start of
	arg1.value through to the end of arg2.value.

2015-11-13  Marek Polacek  <polacek@redhat.com>

	PR c/68320
	* c-parser.c (c_parser_for_statement): Treat unknown tokens as IDs.

2015-11-13  David Malcolm  <dmalcolm@redhat.com>

	* c-typeck.c: Include spellcheck.h.
	(lookup_field_fuzzy_find_candidates): New function.
	(lookup_field_fuzzy): New function.
	(build_component_ref): If the field was not found, try using
	lookup_field_fuzzy and potentially offer a suggestion.

2015-11-12  James Norris  <jnorris@codesourcery.com>
	    Joseph Myers  <joseph@codesourcery.com>

	* c-parser.c (c_parser_pragma): Handle PRAGMA_OACC_DECLARE.
	(c_parser_omp_clause_name): Handle 'device_resident' clause.
	(c_parser_oacc_data_clause): Handle PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT
	and PRAGMA_OMP_CLAUSE_LINK.
	(c_parser_oacc_all_clauses): Handle PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT
	and PRAGMA_OACC_CLAUSE_LINK.
	(OACC_DECLARE_CLAUSE_MASK): New definition.
	(c_parser_oacc_declare): New function.

2015-11-12  Marek Polacek  <polacek@redhat.com>

	PR c/67784
	* c-parser.c (c_parser_for_statement): Reclassify the token in
	a correct scope.

2015-11-11  Marek Polacek  <polacek@redhat.com>

	PR c/68107
	PR c++/68266
	* c-decl.c (grokdeclarator): Call valid_array_size_p.  Remove code
	checking the size of an array.

2015-11-11  Andrew MacLeod  <amacleod@redhat.com>

	* c-array-notation.c: Remove unused header files.
	* c-aux-info.c: Likewise.
	* c-convert.c: Likewise.
	* c-decl.c: Likewise.
	* c-errors.c: Likewise.
	* c-lang.c: Likewise.
	* c-objc-common.c: Likewise.
	* c-parser.c: Likewise.
	* c-typeck.c: Likewise.
	* gccspec.c: Likewise.

2015-11-09  Thomas Schwinge  <thomas@codesourcery.com>
	    Cesar Philippidis  <cesar@codesourcery.com>
	    James Norris  <jnorris@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>
	    Nathan Sidwell  <nathan@codesourcery.com>

	c/
	* c-parser.c (c_parser_declaration_or_fndef): Add OpenACC
	routine arg.
	(c_parser_declaration_or_fndef): Call c_finish_oacc_routine.
	(c_parser_pragma): Parse 'acc routine'.
	(OACC_ROUTINE_CLAUSE_MARK): Define.
	(c_parser_oacc_routine, (c_finish_oacc_routine): New.

2015-11-09  Andreas Arnez  <arnez@linux.vnet.ibm.com>

	PR debug/67192
	* c-typeck.c (c_finish_loop): For unconditional loops, set the
	location of the backward-goto to the start of the loop body.

2015-11-09  Andreas Arnez  <arnez@linux.vnet.ibm.com>

	PR debug/67192
	* c-parser.c (c_parser_while_statement): Finish the loop before
	parsing ahead for misleading indentation.
	(c_parser_for_statement): Likewise.

2015-11-08  Eric Botcazou  <ebotcazou@adacore.com>

	* c-decl.c (finish_struct): If the structure has reverse storage
	order, rewrite the type of array fields with scalar component.  Call
	maybe_apply_pragma_scalar_storage_order on entry.
	* c-typeck.c (build_unary_op) <ADDR_EXPR>: Remove left-overs.  Issue
	errors on bit-fields and reverse SSO here and not...
	(c_mark_addressable): ...here.
	(output_init_element): Adjust call to initializer_constant_valid_p.
	(c_build_qualified_type): Propagate TYPE_REVERSE_STORAGE_ORDER.

2015-11-06  David Malcolm  <dmalcolm@redhat.com>

	* c-decl.c (warn_defaults_to): Update for change in signature
	of diagnostic_set_info.
	* c-errors.c (pedwarn_c99): Likewise.
	(pedwarn_c90): Likewise.
	* c-objc-common.c (c_tree_printer): Update for new "caret_p" param
	for textinfo::set_location.

2015-11-05  Cesar Philippidis  <cesar@codesourcery.com>
	    Thomas Schwinge  <thomas@codesourcery.com>
	    James Norris  <jnorris@codesourcery.com>

	* c-parser.c (c_parser_omp_clause_name): Add support for
	PRAGMA_OACC_CLAUSE_INDEPENDENT and PRAGMA_OACC_CLAUSE_TILE.
	(c_parser_omp_clause_default): Add is_oacc argument. Handle
	default(none) in OpenACC.
	(c_parser_oacc_shape_clause): Allow pointer variables as gang static
	arguments.
	(c_parser_oacc_clause_tile): New function.
	(c_parser_oacc_all_clauses): Add support for OMP_CLAUSE_DEFAULT,
	OMP_CLAUSE_INDEPENDENT and OMP_CLAUSE_TILE.
	(OACC_LOOP_CLAUSE_MASK): Add PRAGMA_OACC_CLAUSE_{PRIVATE,INDEPENDENT,
	TILE}.
	(OACC_KERNELS_MASK): Add PRAGMA_OACC_CLAUSE_DEFAULT.
	(OACC_PARALLEL_MASK): Add PRAGMA_OACC_CLAUSE_{DEFAULT,PRIVATE,
	FIRSTPRIVATE}.
	(c_parser_omp_all_clauses): Update call to c_parser_omp_clause_default.
	(c_parser_oacc_update): Update the error message for missing clauses.
	* c-typeck.c (c_finish_omp_clauses): Add support for OMP_CLAUSE_TILE
	and OMP_CLAUSE_INDEPENDENT.

2015-11-05  Marek Polacek  <polacek@redhat.com>

	PR c/68090
	* c-parser.c (c_parser_postfix_expression_after_paren_type): Don't
	deal with pre-evaluation on invalid types.

2015-11-05  Jakub Jelinek  <jakub@redhat.com>
	    Ilya Verbin  <ilya.verbin@intel.com>

	* c-parser.c: Include context.h and gimple-expr.h.
	(c_parser_omp_clause_schedule): Parse schedule modifiers, diagnose
	monotonic together with nonmonotonic.
	(c_parser_omp_for_loop): Call c_omp_check_loop_iv.  Call add_stmt here.
	(OMP_DISTRIBUTE_CLAUSE_MASK): Add lastprivate clause.
	(c_parser_omp_target_data, c_parser_omp_target_enter_data,
	c_parser_omp_target_exit_data): Allow GOMP_MAP_ALWAYS_POINTER.
	(c_parser_omp_target): Likewise.  Evaluate num_teams and thread_limit
	expressions on combined target teams before the target.
	(c_parser_omp_declare_target): If decl has "omp declare target" or
	"omp declare target link" attribute, and cgraph or varpool node already
	exists, then set corresponding flags.  Call c_finish_omp_clauses
	in the parenthesized extended-list syntax case.
	* c-decl.c (c_decl_attributes): Don't diagnose block scope vars inside
	declare target.
	* c-typeck.c (handle_omp_array_sections_1): Allow non-zero low-bound
	on OMP_CLAUSE_REDUCTION array sections.
	(handle_omp_array_sections): Encode low-bound into the MEM_REF, either
	into the constant offset, or for variable low-bound using
	POINTER_PLUS_EXPR.  For structure element based array sections use
	GOMP_MAP_ALWAYS_POINTER instead of GOMP_MAP_FIRSTPRIVATE_POINTER.
	(c_finish_omp_clauses): Drop generic_field_head, structure
	elements are now always mapped even as array section bases,
	diagnose same var in data sharing and mapping clauses.  Diagnose if
	linear step on declare simd is neither a constant nor a uniform
	parameter.  Look through POINTER_PLUS_EXPR for array section
	reductions.  Diagnose the same var or function appearing multiple
	times on the same directive.  Fix up wording for the to clause if t
	is neither a FUNCTION_DECL nor a VAR_DECL.  Diagnose nonmonotonic
	modifier on kinds other than dynamic or guided or nonmonotonic
	modifier together with ordered clause.

2015-11-03  Thomas Schwinge  <thomas@codesourcery.com>
	    Chung-Lin Tang  <cltang@codesourcery.com>

	* c-parser.c (c_parser_omp_construct): Handle PRAGMA_OACC_ATOMIC.

2015-10-29  Andrew MacLeod  <amacleod@redhat.com>

	* c-array-notation.c: Reorder #include's and remove duplicates.
	* c-aux-info.c: Likewise.
	* c-convert.c: Likewise.
	* c-decl.c: Likewise.
	* c-errors.c: Likewise.
	* c-lang.c: Likewise.
	* c-objc-common.c: Likewise.
	* c-parser.c: Likewise.
	* c-typeck.c: Likewise.

2015-10-26  Jim Wilson  <jim.wilson@linaro.org>

	PR debug/66068
	* c-typeck.c (c_build_qualified_type): Clear C_TYPE_INCOMPLETE_VARS
	after calling build_qualified_type.

2015-10-27  Cesar Philippidis  <cesar@codesourcery.com>
	    Thomas Schwinge  <thomas@codesourcery.com>
	    James Norris  <jnorris@codesourcery.com>
	    Joseph Myers  <joseph@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>
	    Bernd Schmidt  <bschmidt@redhat.com>

	* c-parser.c (c_parser_oacc_shape_clause): New.
	(c_parser_oacc_simple_clause): New.
	(c_parser_oacc_all_clauses): Add auto, gang, seq, vector, worker.
	(OACC_LOOP_CLAUSE_MASK): Add gang, worker, vector, auto, seq.

2015-10-27  Thomas Schwinge  <thomas@codesourcery.com>
	    James Norris  <jnorris@codesourcery.com>
	    Cesar Philippidis  <cesar@codesourcery.com>

	PR c/64765
	PR c/64880
	* c-parser.c (c_parser_oacc_loop): Add mask, cclauses formal
	parameters, and handle these.  Adjust all users.
	(c_parser_oacc_kernels, c_parser_oacc_parallel): Merge functions
	into...
	(c_parser_oacc_kernels_parallel): ... this new function.  Adjust
	all users.
	* c-tree.h (c_finish_oacc_parallel, c_finish_oacc_kernels): Don't
	declare functions.
	(c_finish_omp_construct): Declare function.
	* c-typeck.c (c_finish_oacc_parallel, c_finish_oacc_kernels):
	Merge functions into...
	(c_finish_omp_construct): ... this new function.

2015-10-22  Richard Biener  <rguenther@suse.de>

	* c-typeck.c (c_finish_omp_clauses): Properly convert operands
	before folding a MINUS_EXPR.

2015-10-21  Marek Polacek  <polacek@redhat.com>

	PR c/68024
	* c-decl.c (start_function): Warn about vararg functions without
	a prototype.

2015-10-21  Ilya Enkovich  <enkovich.gnu@gmail.com>

	* c-typeck.c (build_conditional_expr): Use boolean vector
	type for vector comparison.
	(build_vec_cmp): New.
	(build_binary_op): Use build_vec_cmp for comparison.

2015-10-20  Marek Polacek  <polacek@redhat.com>

	* c-parser.c (is_cilkplus_vector_p): Don't define here.

2015-10-20  Marek Polacek  <polacek@redhat.com>

	PR c/67964
	* c-parser.c (c_parser_attributes): Break out of the loop if the
	token after an attribute isn't a comma.

2015-10-13  Jakub Jelinek  <jakub@redhat.com>
	    Aldy Hernandez  <aldyh@redhat.com>

	* c-parser.c (c_parser_pragma): Handle PRAGMA_OMP_ORDERED here.
	(c_parser_omp_clause_name): Handle OpenMP 4.5 clauses.
	(c_parser_omp_variable_list): Handle structure elements for
	map, to and from clauses.  Handle array sections in reduction
	clause.  Formatting fixes.
	(c_parser_omp_clause_if): Add IS_OMP argument, handle parsing of
	if clause modifiers.
	(c_parser_omp_clause_num_tasks, c_parser_omp_clause_grainsize,
	c_parser_omp_clause_priority, c_parser_omp_clause_hint,
	c_parser_omp_clause_defaultmap, c_parser_omp_clause_use_device_ptr,
	c_parser_omp_clause_is_device_ptr): New functions.
	(c_parser_omp_clause_ordered): Parse optional parameter.
	(c_parser_omp_clause_reduction): Handle array reductions.
	(c_parser_omp_clause_schedule): Parse optional simd modifier.
	(c_parser_omp_clause_nogroup, c_parser_omp_clause_orderedkind): New
	functions.
	(c_parser_omp_clause_linear): Parse linear clause modifiers.
	(c_parser_omp_clause_depend_sink): New function.
	(c_parser_omp_clause_depend): Parse source/sink depend kinds.
	(c_parser_omp_clause_map): Parse release/delete map kinds and
	optional always modifier.
	(c_parser_oacc_all_clauses): Adjust c_parser_omp_clause_if
	and c_finish_omp_clauses callers.
	(c_parser_omp_all_clauses): Likewise.  Parse OpenMP 4.5 clauses.
	Parse "to" as OMP_CLAUSE_TO_DECLARE if on declare target directive.
	(c_parser_oacc_cache): Adjust c_finish_omp_clauses caller.
	(OMP_CRITICAL_CLAUSE_MASK): Define.
	(c_parser_omp_critical): Parse critical clauses.
	(c_parser_omp_for_loop): Handle doacross loops, adjust
	c_finish_omp_for and c_finish_omp_clauses callers.
	(OMP_SIMD_CLAUSE_MASK): Add simdlen clause.
	(c_parser_omp_simd): Allow ordered clause if it has no parameter.
	(OMP_FOR_CLAUSE_MASK): Add linear clause.
	(c_parser_omp_for): Disallow ordered clause when combined with
	distribute.  Disallow linear clause when combined with distribute
	and not combined with simd.
	(OMP_ORDERED_CLAUSE_MASK, OMP_ORDERED_DEPEND_CLAUSE_MASK): Define.
	(c_parser_omp_ordered): Add CONTEXT argument, remove LOC argument,
	parse clauses and if depend clause is found, don't parse a body.
	(c_parser_omp_parallel): Disallow copyin clause on target parallel.
	Allow target parallel without for after it.
	(OMP_TASK_CLAUSE_MASK): Add priority clause.
	(OMP_TARGET_DATA_CLAUSE_MASK): Add use_device_ptr clause.
	(c_parser_omp_target_data): Diagnose no map clauses or clauses with
	invalid kinds.
	(OMP_TARGET_UPDATE_CLAUSE_MASK): Add depend and nowait clauses.
	(OMP_TARGET_ENTER_DATA_CLAUSE_MASK,
	OMP_TARGET_EXIT_DATA_CLAUSE_MASK): Define.
	(c_parser_omp_target_enter_data, c_parser_omp_target_exit_data): New
	functions.
	(OMP_TARGET_CLAUSE_MASK): Add depend, nowait, private, firstprivate,
	defaultmap and is_device_ptr clauses.
	(c_parser_omp_target): Parse target parallel and target simd.  Set
	OMP_TARGET_COMBINED on combined constructs.  Parse target enter data
	and target exit data.  Diagnose invalid map kinds.
	(OMP_DECLARE_TARGET_CLAUSE_MASK): Define.
	(c_parser_omp_declare_target): Parse OpenMP 4.5 forms of this
	construct.
	(c_parser_omp_declare_reduction): Use STRIP_NOPS when checking for
	&omp_priv.
	(OMP_TASKLOOP_CLAUSE_MASK): Define.
	(c_parser_omp_taskloop): New function.
	(c_parser_omp_construct): Don't handle PRAGMA_OMP_ORDERED here,
	handle PRAGMA_OMP_TASKLOOP.
	(c_parser_cilk_for): Adjust c_finish_omp_clauses callers.
	* c-tree.h (c_finish_omp_clauses): Add two new arguments.
	* c-typeck.c (handle_omp_array_sections_1): Fix comment typo.
	Add IS_OMP argument, handle structure element bases, diagnose
	bitfields, pass IS_OMP recursively, diagnose known zero length
	array sections in depend clauses, handle array sections in reduction
	clause, diagnose negative length even for pointers.
	(handle_omp_array_sections): Add IS_OMP argument, use auto_vec for
	types, pass IS_OMP down to handle_omp_array_sections_1, handle
	array sections in reduction clause, set
	OMP_CLAUSE_MAP_MAYBE_ZERO_LENGTH_ARRAY_SECTION if map could be zero
	length array section, use GOMP_MAP_FIRSTPRIVATE_POINTER for IS_OMP.
	(c_finish_omp_clauses): Add IS_OMP and DECLARE_SIMD arguments.
	Handle new OpenMP 4.5 clauses and new restrictions for the old ones.

2015-10-06  Marek Polacek  <polacek@redhat.com>

	* c-parser.c (c_parser_statement_after_labels): Use
	protected_set_expr_location.
	(c_parser_omp_clause_num_gangs): Likewise.
	(c_parser_omp_clause_num_threads): Likewise.
	(c_parser_omp_clause_num_workers): Likewise.
	(c_parser_omp_clause_vector_length): Likewise.
	(c_parser_omp_clause_num_teams): Likewise.
	(c_parser_omp_clause_thread_limit): Likewise.
	* c-typeck.c (build_c_cast): Likewise.
	(c_cast_expr): Likewise.

2015-10-05  Richard Sandiford  <richard.sandiford@arm.com>

	* c-typeck.c (c_tree_equal): Use real_equal instead of
	REAL_VALUES_EQUAL.

2015-10-04  Jason Merrill  <jason@redhat.com>

	* c-parser.c (c_lex_one_token): Handle @synchronized.
	* c-decl.c (match_builtin_function_types): A declaration of a built-in
	can change whether the function is transaction_safe.

2015-10-02  Marek Polacek  <polacek@redhat.com>

	PR c/67730
	* c-typeck.c (convert_for_assignment): Use the expansion point
	location throughout.

2015-10-02  Marek Polacek  <polacek@redhat.com>

	PR c/64249
	* c-parser.c (c_parser_statement_after_labels): Add CHAIN parameter
	and pass it down to c_parser_if_statement.
	(c_parser_else_body): Add CHAIN parameter and pass it down to
	c_parser_statement_after_labels.
	(c_parser_if_statement): Add CHAIN parameter.  Add code to warn about
	duplicated if-else-if conditions.

2015-10-01  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c (convert_for_assignment): Improve commentary.

2015-09-30  Marek Polacek  <polacek@redhat.com>

	PR c/67730
	* c-typeck.c (c_finish_return): Use the expansion point location for
	certain "return with value" warnings.

2015-09-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* c-parser.c (pragma_lex): Add loc argument.

2015-09-15  Marek Polacek  <polacek@redhat.com>

	PR c/67580
	* c-decl.c (tag_exists_p): New function.
	* c-parser.c (c_parser_declaration_or_fndef): Give a hint when
	struct/union/enum keywords are missing.
	* c-tree.h (tag_exists_p): Declare.

2015-09-15  Marek Polacek  <polacek@redhat.com>

	* c-decl.c (lookup_label): Return NULL_TREE instead of 0.
	(lookup_tag): Change the type of THISLEVEL_ONLY to bool.
	Return NULL_TREE instead of 0.
	(lookup_name): Return NULL_TREE instead of 0.
	(lookup_name_in_scope): Likewise.
	(shadow_tag_warned): Use true instead of 1 and NULL_TREE instead of 0.
	(parser_xref_tag): Use false instead of 0.
	(start_struct): Use true instead of 1.
	(start_enum): Use true instead of 1 and NULL_TREE instead of 0.

2015-09-14  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c (set_nonincremental_init_from_string): Use
	HOST_WIDE_INT_M1U when shifting a negative value.

2015-09-09  Mark Wielaard  <mjw@redhat.com>

	* c-typeck.c (build_binary_op): Check and warn when nonnull arg
	parm against NULL.

2015-09-10  Jakub Jelinek  <jakub@redhat.com>

	PR c/67502
	* c-parser.c (c_parser_omp_for_loop): Emit DECL_EXPR stmts
	into OMP_FOR_PRE_BODY rather than before the loop.

2015-09-09  Jakub Jelinek  <jakub@redhat.com>

	PR c/67501
	* c-parser.c (c_parser_oacc_all_clauses,
	c_parser_omp_all_clauses): Remove invalid clause from
	list of clauses even if parser->error is set.

	PR c/67500
	* c-parser.c (c_parser_omp_clause_aligned,
	c_parser_omp_clause_safelen, c_parser_omp_clause_simdlen): Fix up
	test for errors.
	* c-decl.c (temp_pop_parm_decls): Allow b->decl equal to
	error_mark_node.

	PR c/67495
	* c-parser.c (c_parser_omp_atomic): Use c_parser_cast_expression
	instead of c_parser_unary_expression.  If the result is !lvalue_p,
	wrap the result of c_fully_fold into NON_LVALUE_EXPR.

2015-09-04  Marek Polacek  <polacek@redhat.com>

	PR sanitizer/67279
	* c-typeck.c (build_binary_op): Don't instrument static initializers.

2015-09-03  Martin Sebor  <msebor@redhat.com>

	PR c/66516
	* c-typeck.c (convert_arguments, parser_build_unary_op,
	build_conditional_expr, c_cast_expr, convert_for_assignment,
	build_binary_op, _objc_common_truthvalue_conversion): Call
	reject_gcc_builtin.
	(c_decl_implicit): Define.

2015-09-02  Marek Polacek  <polacek@redhat.com>

	PR c/67432
	* c-parser.c (c_parser_enum_specifier): Give a better error for
	an empty enum.

2015-08-18  Trevor Saunders  <tbsaunde@tbsaunde.org>

	* c-aux-info.c, c-parser.c, c-tree.h: Remove useless typedefs.

2015-08-12  Marek Polacek  <polacek@redhat.com>

	* c-decl.c (grokdeclarator): Call error_at instead of error and pass
	LOC to it.

2015-08-03  Marek Polacek  <polacek@redhat.com>

	PR c/67088
	* c-decl.c (check_bitfield_type_and_width): Add location parameter.
	Use it.
	(grokdeclarator): Pass LOC down to check_bitfield_type_and_width.

2015-08-02  Patrick Palka  <ppalka@gcc.gnu.org>

	* c-parser.c (c_parser_if_body): Take token_indent_info
	argument. Call warn_for_misleading_indentation even when the
	body is a semicolon.  Extract token_indent_infos corresponding
	to the guard, body and next tokens.  Adjust call to
	warn_for_misleading_indentation accordingly.
	(c_parser_else_body): Likewise.
	(c_parser_if_statement): Likewise.
	(c_parser_while_statement): Likewise.
	(c_parser_for_statement): Likewise.

2015-07-28  Luis Felipe Strano Moraes  <luis.strano@gmail.com>
	    Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* c-decl.c (get_parm_info): Remove static var. Update warning
	message.

2015-07-27  Marek Polacek  <polacek@redhat.com>

	PR c++/66555
	PR c/54979
	* c-typeck.c (parser_build_binary_op): Call warn_tautological_cmp.

2015-07-20  Marek Polacek  <polacek@redhat.com>

	PR c++/55095
	* c-typeck.c (digest_init): Pass OPT_Wpedantic to pedwarn_init.
	(build_binary_op): Warn about left shift overflows.

2015-07-09  Andrew MacLeod  <amacleod@redhat.com>

	* c-array-notation.c: Adjust includes for flags.h changes.
	* c-objc-common.c: Likewise.

2015-07-07  Andrew MacLeod  <amacleod@redhat.com>

	* c-array-notation.c: Adjust includes.
	* c-aux-info.c: Likewise.
	* c-convert.c: Likewise.
	* c-decl.c: Likewise.
	* c-errors.c: Likewise.
	* c-lang.c: Likewise.
	* c-objc-common.c: Likewise.
	* c-parser.c: Likewise.
	* c-typeck.c: Likewise.

2015-06-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR fortran/66605
	* c-decl.c (finish_function): Call do_warn_unused_parameter.

2015-06-29  Marek Polacek  <polacek@redhat.com>

	PR c/66322
	* c-typeck.c (struct c_switch): Add BOOL_COND_P and OUTSIDE_RANGE_P.
	(c_start_case): Set BOOL_COND_P and OUTSIDE_RANGE_P.  Don't warn
	about -Wswitch-bool here.
	(do_case): Update c_add_case_label call.
	(c_finish_case): Update c_do_switch_warnings call.

2015-06-27  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c: Use VECTOR_TYPE_P throughout.

2015-06-26  Marek Polacek  <polacek@redhat.com>

	* c-array-notation.c (fix_builtin_array_notation_fn): Use
	INDIRECT_REF_P.
	* c-typeck.c (array_to_pointer_conversion): Likewise.
	(build_unary_op): Likewise.
	(c_finish_return): Likewise.

2015-06-25  Andrew MacLeod  <amacleod@redhat.com>

	* c-decl.c: Remove ipa-ref.h and plugin-api.h from include list.
	* c-parser.c: Likewise.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

	* c-decl.c (detect_field_duplicates_hash): Use nofree_ptr_hash
	instead of pointer_hash.
	(detect_field_duplicates): Likewise.

2015-06-25  Marek Polacek  <polacek@redhat.com>

	* c-array-notation.c: Use VAR_P throughout.
	* c-decl.c: Likewise.
	* c-objc-common.c: Likewise.
	* c-parser.c: Likewise.
	* c-typeck.c: Likewise.

2015-06-25  Marek Polacek  <polacek@redhat.com>

	* c-decl.c: Use is_global_var throughout.
	* c-parser.c: Likewise.
	* c-typeck.c: Likewise.

2015-06-17  Andrew MacLeod  <amacleod@redhat.com>

	* c-array-notation.c: Do not include input.h, line-map.h or is-a.h.
	* c-aux-info.c: Likewise.
	* c-convert.c: Likewise.
	* c-decl.c: Likewise.
	* c-errors.c: Likewise.
	* c-lang.c: Likewise.
	* c-objc-common.c: Likewise.
	* c-parser.c: Likewise.
	* c-typeck.c: Likewise.

2015-06-11  Jan Hubicka  <hubicka@ucw.cz>

	PR middle-end/66325
	* c-decl.c (start_enum): Set TYPE_PACKED consistently among type
	variants.

2015-06-11  Pierre-Marie de Rodat  <derodat@adacore.com>

	* c-decl.c (pop_scope): Register the main translation unit
	through the new debug hook.

2015-06-08  Andrew MacLeod  <amacleod@redhat.com>

	* c-array-notation.c : Adjust include files.
	* c-aux-info.c : Likewise.
	* c-convert.c : Likewise.
	* c-decl.c : Likewise.
	* c-errors.c : Likewise.
	* c-lang.c : Likewise.
	* c-lang.h : Likewise.
	* c-objc-common.c : Likewise.
	* c-parser.c : Likewise.
	* c-typeck.c : Likewise.

2015-06-05  Aldy Hernandez  <aldyh@redhat.com>

	* c-decl.c (finish_struct): Save C_TYPE_INCOMPLETE_VARS and
	immediately clobber it.
	(c_write_global_declarations_1): Remove call to
	check_global_declaration_1.
	(c_write_global_declarations_2): Remove.
	(c_write_final_cleanups): Rename from c_write_global_declarations.
	Remove call to finalize_compilation_unit.
	Remove calls to debugging hooks.
	* c-objc-common.c: Adjust comment for c_warn_unused_global_decl.
	* c-objc-common.h: Remove LANG_HOOKS_WRITE_GLOBALS.
	* c-tree.h: Remove c_write_global_declarations.

2015-06-04  Andrew MacLeod  <amacleod@redhat.com>

	* c-array-notation.c: Adjust includes for restructured coretypes.h.
	* c-aux-info.c: Likewise.
	* c-convert.c: Likewise.
	* c-decl.c: Likewise.
	* c-errors.c: Likewise.
	* c-lang.c: Likewise.
	* c-objc-common.c: Likewise.
	* c-parser.c: Likewise.
	* c-typeck.c: Likewise.

2015-06-04  Marek Polacek  <polacek@redhat.com>

	PR c/66341
	* c-typeck.c (build_c_cast): Wrap VALUE into NON_LVALUE_EXPR if
	it is a lvalue.

2015-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	* c-decl.c (warn_cxx_compat_finish_struct): New parameters code, record_loc.
	Warn for empty struct.
	(finish_struct): Pass TREE_CODE(t) and loc to warn_cxx_compat_finish_struct.

2015-06-02  Andres Tiraboschi  <andres.tiraboschi@tallertechnologies.com>

	* c-decl.c (start_function): Call plugin before parsing.
	(finish_function): Call plugin after parsing.

2015-06-02  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	PR c/49551
	* c-decl.c (merge_decls): Merge DECL_COMMON.

2015-05-22  Jim Wilson  <jim.wilson@linaro.org>

	* Make-lang.in (check_gcc_pallelize): Define.

2015-05-22  Marek Polacek  <polacek@redhat.com>

	PR c/47043
	* c-parser.c (c_parser_enum_specifier): Parse and apply enumerator
	attributes.

2015-05-21  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c (inform_declaration): Use DECL_IS_BUILTIN instead of
	DECL_BUILT_IN.

2015-05-20  Marek Polacek  <polacek@redhat.com>

	* c-decl.c: Use VAR_OR_FUNCTION_DECL_P throughout.
	* c-typeck.c: Likewise.

2015-05-19  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c (start_init): Use AGGREGATE_TYPE_P.

2015-05-19  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/66199
	* c-parser.c (c_parser_omp_for_loop): Don't add
	OMP_CLAUSE_SHARED to OMP_PARALLEL_CLAUSES when moving
	OMP_CLAUSE_LASTPRIVATE clause to OMP_FOR_CLAUSES.
	(c_parser_omp_teams): Set OMP_TEAMS_COMBINED for combined
	constructs.

2015-05-19  Mikhail Maltsev  <maltsevm@gmail.com>

	* c-typeck.c (build_array_ref): Use std::swap instead of explicit
	swaps.

2015-05-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR fortran/44054
	* c-objc-common.c (c_tree_printer): Replace locus pointer with
	accessor function.

2015-05-14  Marek Polacek  <polacek@redhat.com>

	PR c/66066
	PR c/66127
	* c-typeck.c (digest_init): Call pedwarn_init with OPT_Wpedantic
	rather than with 0.

2015-05-12  David Malcolm  <dmalcolm@redhat.com>

	* c-parser.c (c_parser_if_body): Add param "if_loc", use it
	to add a call to warn_for_misleading_indentation.
	(c_parser_else_body): Likewise, adding param "else_loc".
	(c_parser_if_statement): Check for misleading indentation.
	(c_parser_while_statement): Likewise.
	(c_parser_for_statement): Likewise.

2015-05-08  Marek Polacek  <polacek@redhat.com>

	PR c/64918
	* c-typeck.c (add_pending_init): Use OPT_Woverride_init_side_effects.
	(output_init_element): Likewise.

2015-05-07  Marek Polacek  <polacek@redhat.com>

	PR c/65179
	* c-typeck.c (build_binary_op): Warn when left shifting a negative
	value.

2015-04-30  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c (set_init_label): Call error_at instead of error and
	pass LOC to it.

	* c-typeck.c (c_incomplete_type_error): Refactor to use %qT.  Print
	the type of a decl.

	* c-typeck.c (c_build_va_arg): Clarify the error message.

2015-04-29  Thomas Schwinge  <thomas@codesourcery.com>

	* c-parser.c (c_parser_oacc_enter_exit_data): Use
	OMP_STANDALONE_CLAUSES.

2015-04-28  Marek Polacek  <polacek@redhat.com>

	* c-parser.c (c_parser_binary_expression): Remove duplicate line.

2015-04-28  Marek Polacek  <polacek@redhat.com>

	PR c/65901
	* c-typeck.c (c_build_va_arg): Require TYPE be a complete type.

2015-04-25  Marek Polacek  <polacek@redhat.com>

	PR c/52085
	* c-decl.c (finish_enum): Copy over TYPE_ALIGN.  Also check for "mode"
	attribute.

2015-04-23  Marek Polacek  <polacek@redhat.com>

	PR c/65345
	* c-decl.c (set_labels_context_r): New function.
	(store_parm_decls): Call it via walk_tree_without_duplicates.
	* c-typeck.c (convert_lvalue_to_rvalue): Use create_tmp_var_raw
	instead of create_tmp_var.  Build TARGET_EXPR instead of
	COMPOUND_EXPR.
	(build_atomic_assign): Use create_tmp_var_raw instead of
	create_tmp_var.  Build TARGET_EXPRs instead of MODIFY_EXPR.

2015-04-20  Ilya Verbin  <ilya.verbin@intel.com>

	* c-parser.c (c_parser_oacc_enter_exit_data): Remove excess semicolon.
	(c_parser_omp_target_update): Add missed %> to error_at ().

2015-04-10  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	PR target/55143
	* c-decl.c (c_default_pointer_mode): Remove definition.
	* c-tree.h (c_default_pointer_mode): Remove declaration.

2015-03-27  Tobias Burnus  <burnus@net-b.de>

	PR c/65586
	* c-parser.c (c_parser_skip_to_pragma_eol): Optionally, don't
	error out.
	(c_parser_omp_for, c_parser_omp_parallel, c_parser_omp_distribute,
	c_parser_omp_teams, c_parser_omp_target, c_parser_omp_declare):
	Update calls to not error for skipped omp pragmas with -fopenmp-simd.

2015-03-19  Jakub Jelinek  <jakub@redhat.com>

	* c-decl.c (c_decl_attributes): Also add "omp declare target"
	attribute for DECL_EXTERNAL VAR_DECLs.

2015-03-11  Jakub Jelinek  <jakub@redhat.com>

	* c-parser.c (c_parse_init): Don't call xstrdup on get_identifier
	argument.

2015-03-10  Jakub Jelinek  <jakub@redhat.com>

	PR c/65120
	* c-typeck.c (parser_build_binary_op): Check for tcc_comparison
	before preparing arguments to warn_logical_not_parentheses.

2015-03-09  Jakub Jelinek  <jakub@redhat.com>

	PR c/65120
	* c-typeck.c (parser_build_binary_op): Don't warn for
	!!x == y or !b == y where b is _Bool.

2015-03-09  Marek Polacek  <polacek@redhat.com>

	* c-convert.c (convert): Make use of do_ubsan_in_current_function.
	* c-decl.c (grokdeclarator): Likewise.
	* c-typeck.c (build_binary_op): Likewise.

2015-02-27  Marek Polacek  <polacek@redhat.com>

	PR c/65228
	* c-decl.c (start_decl): Return NULL_TREE if decl is an error node.

2015-02-14  Marek Polacek  <polacek@redhat.com>

	PR c/64768
	* c-decl.c (grokdeclarator): Set the range of a flexible array member
	declared through a typedef name.

2015-02-13  Marek Polacek  <polacek@redhat.com>

	PR c/65050
	* c-decl.c (grokdeclarator): Print also the type when giving
	the error message about array's incomplete element type.

2015-02-11  Jakub Jelinek  <jakub@redhat.com>

	PR c/64824
	* c-parser.c (c_parser_binary_expression): Fix OpenMP stack[sp].prec
	check in the POP macro.

2015-02-09  Marek Polacek  <polacek@redhat.com>

	PR c/64856
	* c-typeck.c (process_init_element): Don't always wrap
	COMPOUND_LITERAL_EXPR in a SAVE_EXPR in C99 mode when
	initializing a range of elements.

2015-02-04  Jakub Jelinek  <jakub@redhat.com>

	PR c/64824
	PR c/64868
	* c-parser.c (c_parser_omp_atomic): Handle RDIV_EXPR.

2015-02-02  Bruno Loff  <bruno.loff@gmail.com>

	* c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks after
	processing enum declaration.

2015-01-29  Marek Polacek  <polacek@redhat.com>

	PR c/64709
	* c-typeck.c (pop_init_level): If constructor_elements has
	exactly one element with integer_zerop value, set constructor_zeroinit
	to 1.  Remove braces around warning_init call.

2015-01-27  Jakub Jelinek  <jakub@redhat.com>

	PR c/64766
	* c-typeck.c (store_init_value): Don't overwrite DECL_INITIAL
	of FUNCTION_DECLs with error_mark_node.

2015-01-26  Jakub Jelinek  <jakub@redhat.com>

	PR c/64778
	* c-typeck.c (convert_arguments): Return -1 if there are
	error_args, even if we've diagnosed too many arguments.

2015-01-21  Richard Biener  <rguenther@suse.de>

	PR middle-end/64313
	* c-decl.c (merge_decls): Call set_builtin_decl_declared_p
	for builtins the user declared correctly.

2015-01-15  Thomas Schwinge  <thomas@codesourcery.com>
	    Bernd Schmidt  <bernds@codesourcery.com>
	    Cesar Philippidis  <cesar@codesourcery.com>
	    James Norris  <jnorris@codesourcery.com>
	    Jakub Jelinek  <jakub@redhat.com>
	    Ilmir Usmanov  <i.usmanov@samsung.com>

	* c-parser.c: Include "gomp-constants.h".
	(c_parser_omp_clause_map): Use enum gomp_map_kind instead of enum
	omp_clause_map_kind.  Use GOMP_MAP_* instead of OMP_CLAUSE_MAP_*.
	Use OMP_CLAUSE_SET_MAP_KIND.
	(c_parser_pragma): Handle PRAGMA_OACC_ENTER_DATA,
	PRAGMA_OACC_EXIT_DATA, PRAGMA_OACC_UPDATE.
	(c_parser_omp_construct): Handle PRAGMA_OACC_CACHE,
	PRAGMA_OACC_DATA, PRAGMA_OACC_KERNELS, PRAGMA_OACC_LOOP,
	PRAGMA_OACC_PARALLEL, PRAGMA_OACC_WAIT.
	(c_parser_omp_clause_name): Handle "auto", "async", "copy",
	"copyout", "create", "delete", "deviceptr", "gang", "host",
	"num_gangs", "num_workers", "present", "present_or_copy", "pcopy",
	"present_or_copyin", "pcopyin", "present_or_copyout", "pcopyout",
	"present_or_create", "pcreate", "seq", "self", "vector",
	"vector_length", "wait", "worker".
	(OACC_DATA_CLAUSE_MASK, OACC_KERNELS_CLAUSE_MASK)
	(OACC_ENTER_DATA_CLAUSE_MASK, OACC_EXIT_DATA_CLAUSE_MASK)
	(OACC_LOOP_CLAUSE_MASK, OACC_PARALLEL_CLAUSE_MASK)
	(OACC_UPDATE_CLAUSE_MASK, OACC_WAIT_CLAUSE_MASK): New macros.
	(c_parser_omp_variable_list): Handle OMP_CLAUSE__CACHE_.
	(c_parser_oacc_wait_list, c_parser_oacc_data_clause)
	(c_parser_oacc_data_clause_deviceptr)
	(c_parser_omp_clause_num_gangs, c_parser_omp_clause_num_workers)
	(c_parser_oacc_clause_async, c_parser_oacc_clause_wait)
	(c_parser_omp_clause_vector_length, c_parser_oacc_all_clauses)
	(c_parser_oacc_cache, c_parser_oacc_data, c_parser_oacc_kernels)
	(c_parser_oacc_enter_exit_data, c_parser_oacc_loop)
	(c_parser_oacc_parallel, c_parser_oacc_update)
	(c_parser_oacc_wait): New functions.
	* c-tree.h (c_finish_oacc_parallel, c_finish_oacc_kernels)
	(c_finish_oacc_data): New prototypes.
	* c-typeck.c: Include "gomp-constants.h".
	(handle_omp_array_sections): Handle GOMP_MAP_FORCE_DEVICEPTR.  Use
	GOMP_MAP_* instead of OMP_CLAUSE_MAP_*.  Use
	OMP_CLAUSE_SET_MAP_KIND.
	(c_finish_oacc_parallel, c_finish_oacc_kernels)
	(c_finish_oacc_data): New functions.
	(c_finish_omp_clauses): Handle OMP_CLAUSE__CACHE_,
	OMP_CLAUSE_NUM_GANGS, OMP_CLAUSE_NUM_WORKERS,
	OMP_CLAUSE_VECTOR_LENGTH, OMP_CLAUSE_ASYNC, OMP_CLAUSE_WAIT,
	OMP_CLAUSE_AUTO, OMP_CLAUSE_SEQ, OMP_CLAUSE_GANG,
	OMP_CLAUSE_WORKER, OMP_CLAUSE_VECTOR, and OMP_CLAUSE_MAP's
	GOMP_MAP_FORCE_DEVICEPTR.

2015-01-09  Michael Collison  <michael.collison@linaro.org>

	* c-array-notation.c: Include hash-set.h, machmode.h,
	vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
	fold-const.h, wide-int.h, and inchash.h due to flattening of tree.h.
	* c-aux-info.c: Ditto.
	* c-convert.c: Ditto.
	* c-decl.c: Ditto.
	* c-errors.c: Ditto.
	* c-lang.c: Dittoxs.
	* c-objc-common.c: Ditto.
	* c-parser.c: Ditto.
	* c-typeck.c: Include hash-set.h, machmode.h,
	vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
	fold-const.h, wide-int.h, inchash.h, real.h and
	fixed-value.h due to flattening of tree.h.

2015-01-07  Marek Polacek  <polacek@redhat.com>

	PR c/64417
	* c-typeck.c (process_init_element): Disallow initialization of
	a flexible array member with a string constant if the structure
	is in an array.

2015-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/64344
	* c-typeck.c (convert_for_assignment, c_finish_return): For
	-fsanitize=float-cast-overflow casts from REAL_TYPE to integer/enum
	types also set in_late_binary_op around convert call.
	* c-convert.c (convert): For -fsanitize=float-cast-overflow REAL_TYPE
	to integral type casts, if not in_late_binary_op, pass c_fully_fold
	result on expr as last argument to ubsan_instrument_float_cast,
	if in_late_binary_op, don't use c_save_expr but save_expr.

	Update copyright years.

2015-01-05  Marek Polacek  <polacek@redhat.com>

	PR c/64423
	* c-typeck.c (build_array_ref): Pass loc down to
	warn_array_subscript_with_type_char.

2014-12-20  Martin Uecker  <uecker@eecs.berkeley.edu>

	* c-typeck.c: New behavious for pointers to arrays with qualifiers
	(common-pointer-type): For pointers to arrays take qualifiers from
	element type.
	(build_conditional_expr): Add warnings for lost qualifiers.
	(comp-target-types): Allow pointers to arrays with different qualifiers.
	(convert-for-assignment): Adapt warnings for discarded qualifiers. Add
	WARNING_FOR_QUALIFIERS macro and rename WARN_FOR_QUALIFIERS
	to PEDWARN_FOR_QUALIFIERS.

2014-12-17  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/64289
	* c-convert.c: Include ubsan.h.
	(convert): For real -> integral casts and
	-fsanitize=float-cast-overflow don't call convert_to_integer, but
	instead instrument the float cast directly.

2014-11-29  Jakub Jelinek  <jakub@redhat.com>

	* c-typeck.c (convert_lvalue_to_rvalue, build_atomic_assign,
	c_finish_stmt_expr): Remove NULL last argument from
	create_tmp_var_raw and create_tmp_var calls.
	* c-array-notation.c (fix_builtin_array_notation_fn,
	build_array_notation_expr, fix_conditional_array_notations_1,
	fix_array_notation_expr, fix_array_notation_call_expr): Likewise.

2014-11-28  Marek Polacek  <polacek@redhat.com>

	PR c/63862
	* c-typeck.c (build_binary_op) <RSHIFT_EXPR, LSHIFT_EXPR>: Don't
	convert the right operand to integer type.

2014-11-25  Marek Polacek  <polacek@redhat.com>

	PR c/63877
	* c-decl.c (start_function): Disable -Wmissing-declarations warning
	for inline functions.

2014-11-21  Jakub Jelinek  <jakub@redhat.com>

	PR target/63764
	* c-typeck.c (build_array_ref): Adjust
	convert_vector_to_pointer_for_subscript caller.  If it returns true,
	call non_lvalue_loc on the result.

2014-11-11  Richard Biener  <rguenther@suse.de>

	* c-decl.c (c_init_decl_processing): Do not set pedantic_lvalues
	to true.

2014-11-10  Andi Kleen  <ak@linux.intel.com>

	PR c/60804
	* c-parser.c (c_parser_statement_after_labels): Call
	check_no_cilk.
	(c_parser_if_statement): Dito.
	(c_parser_switch_statement): Dito.
	(c_parser_while_statement): Dito.
	(c_parser_do_statement): Dito.
	(c_parser_for_statement): Dito.
	* c-typeck.c (c_finish_loop): Dito.

2014-11-10  Paolo Carlini  <paolo.carlini@oracle.com>

	* c-typeck.c (build_binary_op): Use OPT_Wshift_count_negative and
	OPT_Wshift_count_overflow in the warnings.

2014-10-30  Marek Polacek  <polacek@redhat.com>

	* c-objc-common.c (c_tree_printer) <case 'T'>: For a typedef name,
	print the stripped version as well, if they're not the same.

2014-10-29  Richard Sandiford  <richard.sandiford@arm.com>

	* c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
	machine_mode.

2014-10-28  Andrew MacLeod  <amacleod@redhat.com>

	* c-decl.c: Adjust include files.
	* c-parser.c: Ditto.

2014-10-27  Phil Muldoon  <pmuldoon@redhat.com>
	    Tom Tromey  <tromey@redhat.com>

	* c-tree.h (enum c_oracle_request): New.
	(c_binding_oracle_function): New typedef.
	(c_binding_oracle, c_pushtag, c_bind): Declare.
	* c-decl.c (c_binding_oracle): New global.
	(I_SYMBOL_CHECKED): New macro.
	(i_symbol_binding): New function.
	(I_SYMBOL_BINDING, I_SYMBOL_DECL): Redefine.
	(I_TAG_CHECKED): New macro.
	(i_tag_binding): New function.
	(I_TAG_BINDING, I_TAG_DECL): Redefine.
	(I_LABEL_CHECKED): New macro.
	(i_label_binding): New function.
	(I_LABEL_BINDING, I_LABEL_DECL): Redefine.
	(c_print_identifier): Save and restore c_binding_oracle.
	(c_pushtag, c_bind): New functions.

2014-10-27  Andrew MacLeod  <amacleod@redhat.com>

	* c-typeck.c: Adjust include files.

2014-10-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c++/53061
	* c-objc-common.c (c_objc_common_init): Do not do diagnostics
	initialization here...
	(c_initialize_diagnostics): ... but here. Set defaults after
	building pretty-printer.

2014-10-23  Marek Polacek  <polacek@redhat.com>

	PR c/63626
	* c-decl.c (pop_scope): Don't print warning in external_scope.

2014-10-19  Marek Polacek  <polacek@redhat.com>

	PR c/63567
	* c-typeck.c (output_init_element): Allow initializing objects with
	static storage duration with compound literals even in C99 and add
	pedwarn for it.

2014-10-17  Marek Polacek  <polacek@redhat.com>

	PR c/63567
	* c-typeck.c (digest_init): Allow initializing objects with static
	storage duration with compound literals even in C99 and add pedwarn
	for it.

2014-10-17  Marek Polacek  <polacek@redhat.com>

	PR c/63543
	* c-tree.h (C_TYPE_ERROR_REPORTED): Define.
	* c-typeck.c (build_indirect_ref): Don't print the "dereferencing..."
	error multiple times.  Print the type.

2014-10-17  Marek Polacek  <polacek@redhat.com>

	PR c/63549
	* c-typeck.c (build_array_ref): Bail if the index in an incomplete
	type.

2014-10-17  Marek Polacek  <polacek@redhat.com>

	* c-decl.c (grokdeclarator): Use OPT_Wimplicit_int unconditionally.
	(start_function): Use OPT_Wimplicit_int instead of 0.
	(store_parm_decls_oldstyle): Likewise.

2014-10-17  Alan Modra  <amodra@gmail.com>

	PR middle-end/61848
	* c-decl.c (merge_decls): Don't merge section name or tls model
	to newdecl symtab node, instead merge to olddecl.  Override
	existing olddecl section name.  Set tls_model for all thread-local
	vars, not just OMP thread-private ones.  Remove incorrect comment.

2014-10-16  Andrew MacLeod  <amacleod@redhat.com>

	* c-decl.c: Adjust include files.

2014-10-14  DJ Delorie  <dj@redhat.com>

	* c-parser.c (c_parse_init): Add RID entries for each __intN.
	(c_token_starts_typename): Check all __intN, not just __int128.
	(c_token_starts_declspecs): Likewise.
	(c_parser_declspecs): Likewise.
	(c_parser_attribute_any_word): Likewise.
	(c_parser_objc_selector): Likewise.
	* c-tree.h (c_typespec_keyword): cts_int128 -> cts_int_n.
	(struct c_declspecs): Add int_n_idx field to record *which* __intN
	is specified.
	* c-decl.c (declspecs_add_type): Check for all __intN, not just
	__int128.
	(finish_declspecs): Likewise.

2014-10-13  Anthony Brandon  <anthony.brandon@gmail.com>

	* c-parser.c (c_parser_all_labels): New function to replace
	the duplicate code.
	(c_parser_statement): Call the new function.

2014-10-09  Marek Polacek  <polacek@redhat.com>

	PR c/63480
	* c-typeck.c (pop_init_level): Don't warn about initializing
	with { }.

2014-10-07  Marek Polacek  <polacek@redhat.com>

	PR c/59717
	* c-decl.c (header_for_builtin_fn): New function.
	(implicitly_declare): Suggest which header to include.

2014-10-07  Marek Polacek  <polacek@redhat.com>

	* c-convert.c (convert): Use error_operand_p.
	* c-typeck.c (require_complete_type): Likewise.
	(really_atomic_lvalue): Likewise.
	(digest_init): Likewise.
	(handle_omp_array_sections_1): Likewise.

2014-10-03  Marek Polacek  <polacek@redhat.com>

	PR c/63453
	* c-decl.c (pop_scope): Don't warn about "inline function declared
	but never defined" for functions marked with gnu_inline attribute.

2014-09-25  Jakub Jelinek  <jakub@redhat.com>

	PR c++/63249
	* c-parser.c (c_parser_omp_variable_list): Call mark_exp_read
	on low_bound and length.

2014-09-24  Marek Polacek  <polacek@redhat.com>

	PR c/61405
	PR c/53874
	* c-parser.c: Don't define CPP_KEYWORD.
	(c_parser_switch_statement): Pass original type to c_finish_case.
	* c-tree.h (c_finish_case): Update declaration.
	* c-typeck.c (c_finish_case): Add TYPE parameter.  Pass it
	conditionally to c_do_switch_warnings.

2014-09-03  Marek Polacek  <polacek@redhat.com>

	PR c/62024
	* c-parser.c (c_parser_static_assert_declaration_no_semi): Strip no-op
	conversions.

2014-09-02  Jakub Jelinek  <jakub@redhat.com>
	    Balaji V. Iyer  <balaji.v.iyer@intel.com>
	    Igor Zamyatin  <igor.zamyatin@intel.com>

	* c-parser.c (c_parser_cilk_for): New function.
	(c_parser_cilk_grainsize): Likewise.
	(c_get_temp_regvar): Likewise.
	(c_parser_statement_after_labels): Added RID_CILK_FOR case.
	(c_parser_pragma): Added PRAGMA_CILK_GRAINSIZE case.
	(c_parser_omp_for_loop): Added CILK_FOR and CILK_SIMD checks.
	* c-typeck.c (c_finish_omp_clauses): Added OMP_CLAUSE__CILK_FOR_COUNT_
	case.

2014-08-27  Chen Gang  <gang.chen.5i5j@gmail.com>

	* c-aux-info.c (gen_type): Resize 'buff' from 10 to 23 bytes,
	with using HOST_WIDE_INT without truncation to 'int'

2014-08-22  Marek Polacek  <polacek@redhat.com>

	PR c++/62199
	* c-typeck.c (parser_build_binary_op): Adjust call to
	warn_logical_not_parentheses.

2014-08-22  Igor Zamyatin  <igor.zamyatin@intel.com>

	PR other/62008
	* c-parser.c (c_parser_array_notation): Check for correct
	type of an array added.

2014-08-19  Marek Polacek  <polacek@redhat.com>

	PR c++/62153
	* c-typeck.c (build_binary_op): If either operand of a comparison
	is a boolean expression, call maybe_warn_bool_compare.

2014-08-19  Patrick Palka  <ppalka@gcc.gnu.org>

	PR c/45584
	* c-typeck.c (build_c_cast): Do a conversion even when the
	TYPE_MAIN_VARIANTs are the same.

2014-08-19  Marek Polacek  <polacek@redhat.com>

	* c-decl.c (diagnose_mismatched_decls): Unconditionally call
	pedwarn_c99 instead of pedwarn.
	(grokfield): Likewise.
	(warn_defaults_to): New function.
	(grokdeclarator): Call warn_defaults_to instead of pedwarn_c99.
	Unconditionally call pedwarn_c99 instead of pedwarn.
	(start_function): Call warn_defaults_to instead of pedwarn_c99.
	(declspecs_add_scspec): Call pedwarn_c99 instead of pedwarn, don't
	check flag_isoc11 before.
	* c-errors.c (pedwarn_c99): Change the return type to bool.
	Handle -Wc99-c11-compat.
	* c-parser.c (disable_extension_diagnostics): Handle
	warn_c99_c11_compat.
	(restore_extension_diagnostics): Likewise.
	(c_parser_static_assert_declaration_no_semi): Call pedwarn_c99
	instead of pedwarn, don't check flag_isoc11 before.
	(c_parser_declspecs): Likewise.
	(c_parser_alignas_specifier): Likewise.
	(c_parser_alignof_expression): Likewise.
	(c_parser_generic_selection): Likewise.
	* c-tree.h (pedwarn_c99): Update declaration.
	* c-typeck.c (c_finish_return): Call pedwarn or warning_at instead
	of pedwarn_c99.

2014-08-19  Marek Polacek  <polacek@redhat.com>

	* c-decl.c (warn_variable_length_array): Pass OPT_Wvla unconditionally
	to pedwarn_c90.
	* c-errors.c: Include "opts.h".
	(pedwarn_c90): Rewrite to handle -Wno-c90-c99-compat better.
	* c-parser.c (disable_extension_diagnostics): Handle negative value
	of warn_c90_c99_compat, too.
	(restore_extension_diagnostics): Likewise.
	(c_parser_compound_statement_nostart): Pass
	OPT_Wdeclaration_after_statement unconditionally to pedwarn_c90.

2014-08-12  Marek Polacek  <polacek@redhat.com>

	* c-parser.c (c_parser_postfix_expression) <case RID_FUNCTION_NAME>:
	Add pedwarn.
	(c_parser_postfix_expression) <case RID_PRETTY_FUNCTION_NAME>:
	Likewise.
	(c_parser_postfix_expression) <case RID_C99_FUNCTION_NAME>: Likewise.

2014-08-10  Marek Polacek  <polacek@redhat.com>

	PR c/51849
	* c-decl.c (build_array_declarator): Remove check for !flag_isoc99.
	Call pedwarn_c90 instead of pedwarn.
	(check_bitfield_type_and_width): Likewise.
	(declspecs_add_qual): Likewise.
	(declspecs_add_type): Likewise.
	(warn_variable_length_array): Unify function for -pedantic and -Wvla.
	Adjust to only call pedwarn_c90.
	(grokdeclarator): Remove pedantic && !flag_isoc99 check.  Call
	pedwarn_c90 instead of pedwarn.
	* c-errors.c (pedwarn_c90): Handle -Wc90-c99-compat.
	* c-parser.c (disable_extension_diagnostics): Handle
	warn_c90_c99_compat.
	(restore_extension_diagnostics): Likewise.
	(c_parser_enum_specifier): Remove check for !flag_isoc99.  Call
	pedwarn_c90 instead of pedwarn.
	(c_parser_initelt): Likewise.
	(c_parser_postfix_expression): Likewise.
	(c_parser_postfix_expression_after_paren_type): Likewise.
	(c_parser_compound_statement_nostart): Remove check for !flag_isoc99.
	* c-tree.h: Fix formatting.
	* c-typeck.c (build_array_ref): Remove check for !flag_isoc99.  Call
	pedwarn_c90 instead of pedwarn.

2014-08-07  Trevor Saunders  <tsaunders@mozilla.com>

	* c-typeck.c: Remove include of pointer-set.h.

2014-08-07  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c (pointer_diff): Remove P - (P + CST) optimization.

2014-08-02  Trevor Saunders  <tsaunders@mozilla.com>

	* c-typeck.c: Use hash_map instead of pointer_map.

2014-08-02  Trevor Saunders  <tsaunders@mozilla.com>

	* c-decl.c: Use hash_set instead of pointer_set.

2014-08-01  Igor Zamyatin  <igor.zamyatin@intel.com>

	PR middle-end/61455
	* c-array-notation.c (expand_array_notations): Handling
	of DECL_EXPR added.

2014-07-31  Marc Glisse  <marc.glisse@inria.fr>

	PR c++/60517
	* c-typeck.c (c_finish_return): Return 0 instead of the address of
	a local variable.

2014-07-30  Tom Tromey  <tromey@redhat.com>

	* c-typeck.c (struct constructor_stack) <designator_depth>: New
	field.
	(really_start_incremental_init, push_init_level): Initialize
	designator_depth.
	(pop_init_level): Set global designator_depth.
	(process_init_element): Check for designated_init attribute.

2014-07-20  Marek Polacek  <polacek@redhat.com>

	PR c/61852
	* c-decl.c (implicit_decl_warning): Add location_t parameter.  Use it.
	(implicitly_declare): Pass location to implicit_decl_warning.

2014-07-14  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/61294
	* c-parser.c (c_parser_expr_list): Add new argument literal_zero_mask.
	If non-NULL, call c_parser_check_literal_zero.
	(c_parser_check_literal_zero): New function.
	(c_parser_postfix_expression_after_primary): Adjust
	c_parser_expr_list caller, handle -Wmemset-transposed-args.

2014-07-06  Marek Polacek  <polacek@redhat.com>

	PR c/6940
	* c-decl.c (grokdeclarator): Set C_ARRAY_PARAMETER.
	* c-tree.h (C_ARRAY_PARAMETER): Define.
	* c-typeck.c (c_expr_sizeof_expr): Warn when using sizeof on an array
	function parameter.

2014-07-02  Jan Hubicka  <hubicka@ucw.cz>
	    Chen Gang  <gang.chen.5i5j@gmail.com>

	* c-decl.c (duplicate_decls): CLear DECL_STRUCT_FUNCTION before
	releasing symbol.

2014-07-01  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c (convert_for_assignment): Pass OPT_Wint_conversion
	instead of 0 to WARN_FOR_ASSIGNMENT.

2014-07-01  Marek Polacek  <polacek@redhat.com>

	PR c/58286
	* c-typeck.c (convert_for_assignment): Pass
	OPT_Wincompatible_pointer_types instead of 0 to WARN_FOR_ASSIGNMENT.

2014-06-30  Marek Polacek  <polacek@redhat.com>

	* c-decl.c (grokdeclarator): Don't instrument VLAs if the function
	has no_sanitize_undefined attribute.

2014-06-30  Igor Zamyatin  <igor.zamyatin@intel.com>

	PR middle-end/57541
	* c-array-notation.c (fix_builtin_array_notation_fn):
	Check for 0 arguments in builtin call. Check that bultin argument is
	correct.
	* c-parser.c (c_parser_array_notation): Check for incorrect initial
	index.

2014-06-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* c-parser.c (c_parser_declaration_or_fndef): Discard all type
	qualifiers in __auto_type for atomic types.
	(c_parser_typeof_specifier): Discard all type qualifiers in
	__typeof__ for atomic types.

2014-06-25  Marek Polacek  <polacek@redhat.com>

	PR c/61162
	* c-parser.c (c_parser_statement_after_labels): Pass the location of
	the return expression to c_finish_return.

2014-06-25  Jakub Jelinek  <jakub@redhat.com>

	* c-typeck.c (c_finish_omp_clauses): Make sure
	OMP_CLAUSE_LINEAR_STEP has correct type.

2014-06-24  Trevor Saunders  <tsaunders@mozilla.com>

	* c-decl.c: Adjust.

2014-06-24  Jakub Jelinek  <jakub@redhat.com>

	* c-parser.c (c_parser_omp_for_loop): For
	#pragma omp parallel for simd move lastprivate clause from parallel
	to for rather than simd.

2014-06-23  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c (parser_build_binary_op): Don't call
	warn_logical_not_parentheses if the RHS is TRUTH_NOT_EXPR.

2014-06-15  Jan Hubicka  <hubicka@ucw.cz>

	* c-parser.c (c_parser_omp_threadprivate): Likewise.
	* c-decl.c (merge_decls): Likewise.

2014-06-09  Marek Polacek  <polacek@redhat.com>

	PR c/36446
	* c-typeck.c (error_init): Call inform instead of error_at.
	(pedwarn_init): Call inform instead of pedwarn.
	(warning_init): Call inform instead of warning_at.

2014-06-07  Jan Hubicka  <hubicka@ucw.cz>

	* c-decl.c (merge_decls): Use set_decl_section_name.
	(duplicate_decls): Remove node if it exists.

2014-06-05  S. Gilles  <sgilles@terpmail.umd.edu>

	PR c/53119
	* c-typeck.c (push_init_level, process_init_element,
	pop_init_level): Correct check for zero initialization, move
	missing brace warning to respect zero initialization.

2014-06-05  Marek Polacek  <polacek@redhat.com>

	PR c/56724
	* c-typeck.c (convert_for_assignment): Use expr_loc for ic_argpass.

2014-06-05  Marek Polacek  <polacek@redhat.com>

	PR c/49706
	* c-typeck.c (parser_build_binary_op): Warn when logical not is used
	on the left hand side operand of a comparison. 

2014-06-05  Marek Polacek  <polacek@redhat.com>

	PR c/48062
	* c-decl.c (warn_if_shadowing): Call inform instead of warning_at.
	Print note only if the warning was printed.

2014-06-04  Igor Zamyatin  <igor.zamyatin@intel.com>

	PR c/58942
	* c-array-notation.c (fix_builtin_array_notation_fn): Handle the case
	with a pointer.

2014-06-03  Marek Polacek  <polacek@redhat.com>

	PR c/60439
	* c-parser.c (c_parser_switch_statement): Pass explicit_cast_p to
	c_start_case.
	* c-tree.h (c_start_case): Update.
	* c-typeck.c (c_start_case): Add new boolean parameter.  Warn if
	switch condition has boolean value.

2014-06-02  Andrew MacLeod  <amacleod@redhat.com>

	* c-decl.c: Include builtins.h.
	* c-parser.c: Likewise.

2014-05-27  Marek Polacek  <polacek@redhat.com>

	PR c/56724
	* c-typeck.c (convert_arguments): Get location of a parameter.  Change
	error and warning calls to error_at and warning_at.  Pass location of
	a parameter to it.  Call warning_at with OPT_Wtraditional_conversion.
	(convert_for_assignment): Add parameter to WARN_FOR_ASSIGNMENT and
	WARN_FOR_QUALIFIERS.  Pass expr_loc to those.

2014-05-26  Igor Zamyatin  <igor.zamyatin@intel.com>

	PR c/61191
	* c-array-notation.c (fix_builtin_array_notation_fn): Check invalid
	function parameters.

2014-05-23  Jan Hubicka  <hubicka@ucw.cz>

	* c-decl.c (merge_decls): Preserve symtab node pointers.
	(duplicate_decls): Free new decl.

2014-05-23  Thomas Schwinge  <thomas@codesourcery.com>

	* c-typeck.c (c_finish_omp_clauses): Remove duplicated variable
	initialization.

	* c-parser.c (c_parser_omp_target): Return bool values.

2014-05-22  Thomas Schwinge  <thomas@codesourcery.com>

	* c-parser.c (c_parser_omp_clause_thread_limit): Rename
	num_teams_loc variable to num_thread_limit_loc.

2014-05-21  Richard Sandiford  <rsandifo@linux.vnet.ibm.com>

	* c-array-notation.c (expand_array_notations): Use void_node
	instead of void_zero_node.

2014-05-17  Trevor Saunders  <tsaunders@mozilla.com>

	* c-decl.c (finish_struct): Adjust.
	(finish_enum): Likewise.
	(bind): Adjust.
	(record_inline_static): Likewise.
	(push_scope): Likewise.
	(make_label): Likewise.
	(lookup_label_for_goto): Likewise.
	(finish_struct): Likewise.
	(finish_enum): Likewise.
	(store_parm_decls): Likewise.
	(c_push_function_context): Likewise.
	* c-lang.h: Remove usage of variable_size gty attribute.
	* c-parser.c (c_parse_init): Adjust.
	(c_parse_file): Likewise.

2014-05-13  Marek Polacek  <polacek@redhat.com>

	PR c/61162
	* c-typeck.c (convert_for_assignment): Pass location to
	WARN_FOR_ASSIGNMENT instead of input_location.

2014-05-10  Marek Polacek  <polacek@redhat.com>

	* c-parser.c (c_parser_declaration_or_fndef): Pass init_loc to
	maybe_warn_string_init.
	(c_parser_postfix_expression_after_paren_type): Pass type_loc to
	maybe_warn_string_init.
	* c-tree.h (maybe_warn_string_init): Update declaration.
	* c-typeck.c (maybe_warn_string_init): Add location parameter.
	Call pedwarn_init with loc instead of with input_location.
	(digest_init): Pass init_loc to maybe_warn_string_init.
	(pop_init_level): Call pedwarn_init with loc instead of with
	input_location.
	(set_init_index): Likewise.
	(process_init_element): Likewise.

2014-05-09  Marek Polacek  <polacek@redhat.com>

	PR c/61096
	* c-parser.c (c_parser_braced_init): Pass brace_loc to push_init_level.
	(c_parser_initelt): Pass location to set_init_label.  Pass array index
	location to set_init_index.
	* c-tree.h (push_init_level): Update declaration.
	(pop_init_level): Likewise.
	(set_init_index): Likewise.
	(set_init_label): Likewise.
	* c-typeck.c (error_init): Add location parameter.  Call error_at
	instead of error.
	(digest_init): Pass init_loc to error_init.
	(really_start_incremental_init):
	(push_init_level): Add location parameter.  Pass loc to pop_init_level
	and error_init.
	(pop_init_level): Likewise.
	(set_designator): Add location parameter.  Pass loc to pop_init_level,
	push_init_level, and error_init.
	(set_init_index): Add location parameter.  Pass loc to error_init and
	set_designator.
	(set_init_label): Likewise.
	(output_init_element): Pass loc to error_init.
	(process_init_element): Pass loc to error_init, pop_init_level,
	pedwarn_init, and push_init_level.

2014-05-09  Marek Polacek  <polacek@redhat.com>

	PR c/50459
	* c-parser.c (c_parser_attributes): Parse the arguments as an
	expression-list if the attribute takes identifier.

2014-05-08  Marek Polacek  <polacek@redhat.com>

	PR c/61053
	* c-decl.c (grokdeclarator): Use min_align_of_type instead of
	TYPE_ALIGN_UNIT.

2014-05-08  Marek Polacek  <polacek@redhat.com>

	PR c/61077
	* c-decl.c (start_function): Warn for _Atomic-qualified return type
	of main.

2014-05-06  Kenneth Zadeck  <zadeck@naturalbridge.com>
	    Mike Stump  <mikestump@comcast.net>
	    Richard Sandiford  <rdsandiford@googlemail.com>

	* c-decl.c (check_bitfield_type_and_width): Use TYPE_SIGN.
	(finish_enum): Use wide-int interfaces.
	* c-parser.c (c_parser_cilk_clause_vectorlength): Likewise.
	* c-typeck.c (build_c_cast): Likewise.
	(set_nonincremental_init_from_string): Likewise.
	(c_tree_equal): Likewise.

2014-05-02  Marek Polacek  <polacek@redhat.com>

	PR c/25801
	* c-typeck.c (c_size_in_bytes): Update comment.  Don't call error.
	Return size_one_node when the type is not complete.
	(pointer_diff): Remove comment.
	(build_unary_op): Improve error messages.

2014-05-02  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c (c_finish_return): Separate warning_at calls.

2014-05-02  Marek Polacek  <polacek@redhat.com>

	* c-tree.h (error_init): Remove declaration.
	(pedwarn_init): Likewise.
	* c-typeck.c (error_init): Make static and move above.
	(pedwarn_init): Likewise.
	(warning_init): Move above.
	(maybe_warn_string_init): Likewise.

2014-05-01  Jeff Law  <law@redhat.com>

	Revert:

	2014-04-24  Prathamesh Kulkarni  <bilbotheelffriend@gmail.com>
	* c-parser.c (c_parser_sizeof_expression): Reorganize slightly to
	avoid goto.

2014-05-02  Marek Polacek  <polacek@redhat.com>

	PR c/60784
	* c-typeck.c (push_init_level): Set constructor_designated to
	p->designated for structures.

2014-05-01  Marek Polacek  <polacek@redhat.com>

	PR c/60915
	* c-parser.c (c_parser_declaration_or_fndef): Give better error if
	function-definition has an attribute after the declarator.

2014-05-01  Marek Polacek  <polacek@redhat.com>

	PR c/60257
	* c-typeck.c (warning_init): Add location_t parameter.  Call
	warning_at instead of warning.
	(push_init_level): Pass input_location to warning_init.
	(add_pending_init): Add location_t parameter.  Pass loc to
	warning_init.
	(set_nonincremental_init): Pass input_location to add_pending_init.
	(set_nonincremental_init_from_string): Likewise.
	(output_init_element): Pass loc to warning_init and to
	add_pending_init.

2014-05-01  Marek Polacek  <polacek@redhat.com>

	PR c/43395
	* c-typeck.c (c_finish_return): Distinguish between label and variable
	when warning about returning local address.

2014-05-01  Marek Polacek  <polacek@redhat.com>

	PR c/29467
	* c-decl.c (declspecs_add_type): Pedwarn if boolean types are used
	in C89 mode.

2014-05-01  Marek Polacek  <polacek@redhat.com>

	PR c/43245
	* c-typeck.c (convert_for_assignment): Pass OPT_Wdiscarded_qualifiers
	instead of 0 to WARN_FOR_QUALIFIERS.

2014-05-01  Marek Polacek  <polacek@redhat.com>

	PR c/56989
	* c-typeck.c (default_conversion): Use better location for
	error call.

2014-04-30  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c (build_binary_op): Call ubsan_instrument_division
	also when SANITIZE_FLOAT_DIVIDE is on.

2014-04-30  Marek Polacek  <polacek@redhat.com>

	PR c/60139
	* c-typeck.c (output_init_element): Pass OPT_Wpedantic to pedwarn
	and pedwarn_init.  Use loc insted of input_location.

2014-04-30  Marek Polacek  <polacek@redhat.com>

	PR c/60351
	* c-typeck.c (build_binary_op): Use location when warning about
	shift count.

2014-04-25  Marek Polacek  <polacek@redhat.com>

	PR c/18079
	* c-decl.c (diagnose_mismatched_decls): Warn for mismatched
	always_inline/noinline and hot/cold attributes.

2014-04-25  Marek Polacek  <polacek@redhat.com>

	PR c/60114
	* c-parser.c (c_parser_initelt): Pass input_location to
	process_init_element.
	(c_parser_initval): Pass loc to process_init_element.
	* c-tree.h (process_init_element): Adjust declaration.
	* c-typeck.c (push_init_level): Pass input_location to
	process_init_element.
	(pop_init_level): Likewise.
	(set_designator): Likewise.
	(output_init_element): Add location_t parameter.  Pass loc to
	digest_init.
	(output_pending_init_elements): Pass input_location to
	output_init_element.
	(process_init_element): Add location_t parameter.  Pass loc to
	output_init_element.

2014-04-24  Jakub Jelinek  <jakub@redhat.com>

	* c-parser.c (c_parser_omp_atomic): Allow seq_cst before
	atomic-clause, allow comma in between atomic-clause and
	seq_cst.

2014-04-22  Jakub Jelinek  <jakub@redhat.com>

	PR c/59073
	* c-parser.c (c_parser_omp_parallel): If c_parser_omp_for
	fails, don't set OM_PARALLEL_COMBINED and return NULL.

2014-04-12  Igor Zamyatin  <igor.zamyatin@intel.com>

	PR middle-end/60469
	* c-array-notation.c (fix_builtin_array_notation_fn): Use
	create_tmp_var instead build_decl for creating temps.
	(build_array_notation_expr): Likewise.
	(fix_conditional_array_notations_1): Likewise.
	(fix_array_notation_expr): Likewise.
	(fix_array_notation_call_expr): Likewise.

2014-03-28  Jakub Jelinek  <jakub@redhat.com>

	PR c++/60689
	* c-tree.h (c_build_function_call_vec): New prototype.
	* c-typeck.c (build_function_call_vec): Don't call
	resolve_overloaded_builtin here.
	(c_build_function_call_vec): New wrapper function around
	build_function_call_vec.  Call resolve_overloaded_builtin here.
	(convert_lvalue_to_rvalue, build_function_call, build_atomic_assign):
	Call c_build_function_call_vec instead of build_function_call_vec.
	* c-parser.c (c_parser_postfix_expression_after_primary): Likewise.
	* c-decl.c (finish_decl): Likewise.

2014-03-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/55383
	* c-typeck.c: Use correct format string in cast-qual warning

2014-03-07  Thomas Schwinge  <thomas@codesourcery.com>

	* c-decl.c (c_decl_attributes): Use
	lang_hooks.types.omp_mappable_type.
	* c-typeck.c (c_finish_omp_clauses): Likewise.

2014-03-06  Marek Polacek  <polacek@redhat.com>

	PR c/60197
	* c-typeck.c (c_finish_return): Call contains_cilk_spawn_stmt instead
	of checking tree code.

2014-02-19  Prathamesh Kulkarni  <bilbotheelffriend@gmail.com>

	* c-parser.c (c_parser_declspecs): Replace call to error by error_at.
	(c_parser_parameter_declaration): Likewise.

2014-02-19  Marek Polacek  <polacek@redhat.com>

	PR c/60195
	* c-typeck.c (convert_lvalue_to_rvalue): Set TREE_NO_WARNING on tmp.
	Call mark_exp_read on exp.value.
	(build_atomic_assign): Set TREE_NO_WARNING on val and old.  Set
	TREE_ADDRESSABLE on old instead of val.
	(emit_side_effect_warnings): Warn only if RHS has !TREE_NO_WARNING.

2014-02-07  Prathamesh Kulkarni  <bilbotheelffriend@gmail.com>

	* c-parser.c (c_parser_get_builtin_args): Replace calls to
	C_EXPR_APPEND by vec_safe_push.
	* c-tree.h (C_EXPR_APPEND): Remove.

2014-01-31  Marek Polacek  <polacek@redhat.com>

	PR c/59963
	* c-typeck.c (convert_lvalue_to_rvalue): Pass vNULL to
	build_function_call_vec.
	(build_function_call): Likewise.
	(build_atomic_assign): Likewise.
	(build_function_call_vec): Add arg_loc parameter.  Use it.
	(convert_arguments): Likewise.
	(convert_for_assignment): Rename rhs_loc to expr_loc.
	* c-parser.c (c_parser_attributes): Pass NULL to c_parser_expr_list.
	(c_parser_objc_keywordexpr): Likewise.
	(c_parser_postfix_expression_after_primary): Call
	build_function_call_vec with expr_loc rather than op_loc.
	Call c_parser_expr_list to fill arg_loc.  Pass arg_loc to
	build_function_call_vec.
	(c_parser_expr_list): Add locations parameter.  Fill it with locations
	of function arguments.
	* c-decl.c (finish_decl): Pass vNULL to build_function_call_vec.

2014-01-30  Marek Polacek  <polacek@redhat.com>

	PR c/59940
	* c-typeck.c (build_function_call_vec): Use loc parameter.
	(convert_arguments): Add location parameter.  Use it.
	(ep_convert_and_check): Likewise.
	(build_atomic_assign): Adjust convert_for_assignment call.
	(build_modify_expr): Likewise.
	(digest_init): Likewise.
	(c_finish_return): Likewise.
	(build_conditional_expr): Adjust ep_convert_and_check calls.
	(convert_for_assignment): Add rhs_loc parameter.  Use it.
	(build_binary_op): Adjust convert_and_check and ep_convert_and_check
	calls.

2014-01-30  Richard Biener  <rguenther@suse.de>

	PR c/59905
	* c-typeck.c (build_function_call_vec): Do not replace calls
	to a function via an incompatible type with a runtime abort.

2014-01-24  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-parser.c (c_parser_declaration_or_fndef): Replaced
	flag_enable_cilkplus with flag_cilkplus.
	(c_parser_direct_declarator_inner): Likewise.
	(c_parser_attribute_any_word): Likewise.
	(c_parser_attributes): Likewise.
	(c_parser_compound_statement): Likewise.
	(c_parser_statement_after_labels): Likewise.
	(c_parser_if_statement): Likewise.
	(c_parser_switch_statement): Likewise.
	(c_parser_do_statement): Likewise.
	(c_parser_for_statement): Likewise.
	(c_parser_unary_expression): Likewise.
	(c_parser_postfix_expression): Likewise.
	(c_parser_postfix_expression_after_primary): Likewise.
	(c_parser_postfix_expression_after_primary): Likewise.
	(c_parser_omp_clause_name): Likewise.
	(c_finish_omp_declare_simd): Likewise.
	(c_parser_cilk_verify_simd): Likewise.
	* c-typeck.c (build_array_ref): Likewise.
	(build_function_call_vec): Likewise.
	(convert_arguments): Likewise.
	(build_compound_expr): Likewise.
	(c_finish_return): Likewise.
	(c_finish_if_stmt): Likewise.
	(c_finish_loop): Likewise.
	(build_binary_op): Likewise.

2014-01-23  Marek Polacek  <polacek@redhat.com>

	PR c/59846
	* c-typeck.c (parser_build_binary_op): Use location instead of
	input_location.
	(build_binary_op): Pass location to shorten_compare.

2014-01-23  Marek Polacek  <polacek@redhat.com>

	PR c/58346
	* c-typeck.c (pointer_diff): Give an error on arithmetic on pointer to
	an empty aggregate.

2014-01-23  Marek Polacek  <polacek@redhat.com>

	PR c/59871
	* c-typeck.c (build_compound_expr): Warn even for right-hand operand
	of a comma expression.
	(emit_side_effect_warnings): Likewise.

2014-01-23  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	PR c/59825
	* c-array-notation.c (expand_array_notation_exprs): Rewrote this
	function to use walk_tree and moved a lot of its functionality to
	expand_array_notations.
	(expand_array_notations): New function.

2014-01-23  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-parser.c (c_finish_omp_declare_simd): Made "cilk simd function"
	attribute an attribute without value.

2014-01-23  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/58809
	* c-typeck.c (c_finish_omp_clause): Reject MIN_EXPR, MAX_EXPR,
	BIT_AND_EXPR, BIT_IOR_EXPR and BIT_XOR_EXPR on COMPLEX_TYPEs.

2014-01-22  Marek Polacek  <polacek@redhat.com>

	PR c/59891
	* c-typeck.c (build_conditional_expr): Call c_fully_fold instead
	of remove_c_maybe_const_expr on op1 and op2.

2014-01-15  Jakub Jelinek  <jakub@redhat.com>

	PR c/58943
	* c-typeck.c (build_modify_expr): For lhs op= rhs, if rhs has side
	effects, preevaluate rhs using SAVE_EXPR first.

2014-01-09  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	PR c++/59631
	* c-parser.c (c_parser_postfix_expression): Replaced consecutive if
	statements with if-elseif statements.

2014-01-06  Marek Polacek  <polacek@redhat.com>

	PR c/57773
	* c-decl.c (check_bitfield_type_and_width): Warn for implementation
	defined bit-field types only in ISO C.

2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

	Update copyright years

2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* c-array-notation.c: Use the standard form for the copyright notice.

2013-12-18  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-parser.c (struct c_parser::cilk_simd_fn_tokens): Added new field.
	(c_parser_declaration_or_fndef): Added a check if cilk_simd_fn_tokens
	field in parser is not empty.  If not-empty, call the function
	c_parser_finish_omp_declare_simd.
	(c_parser_cilk_clause_vectorlength): Modified function to be shared
	between SIMD-enabled functions and #pragma simd.  Added new parameter.
	(c_parser_cilk_all_clauses): Modified the usage of the function
	c_parser_cilk_clause_vectorlength as mentioned above.
	(c_parser_cilk_simd_fn_vector_attrs): New function.
	(c_finish_cilk_simd_fn_tokens): Likewise.
	(is_cilkplus_vector_p): Likewise.
	(c_parser_omp_clause_name): Added checking for "vectorlength,"
	"nomask," and "mask" strings in clause name.
	(c_parser_omp_all_clauses): Added 3 new case statements:
	PRAGMA_CILK_CLAUSE_VECTORLENGTH, PRAGMA_CILK_CLAUSE_MASK and
	PRAGMA_CILK_CLAUSE_NOMASK.
	(c_parser_attributes): Added a cilk_simd_fn_tokens parameter.  Added a
	check for vector attribute and if so call the function
	c_parser_cilk_simd_fn_vector_attrs.  Also, when Cilk plus is enabled,
	called the function c_finish_cilk_simd_fn_tokens.
	(c_finish_omp_declare_simd): Added a check if cilk_simd_fn_tokens in
	parser field is non-empty.  If so, parse them as you would parse
	the omp declare simd pragma.
	(c_parser_omp_clause_linear): Added a new bool parm. is_cilk_simd_fn.
	Added a check when step is a parameter and flag it as error.
	(CILK_SIMD_FN_CLAUSE_MASK): New #define.
	(c_parser_cilk_clause_name): Changed pragma_cilk_clause to
	pragma_omp_clause.

2013-12-17  Thomas Schwinge  <thomas@codesourcery.com>

	* c-parser.c (c_parser_omp_parallel): Fix description.

2013-12-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-objc-common.h (LANG_HOOKS_CILKPLUS_FRAME_CLEANUP): Remove.
	(LANG_HOOKS_CILKPLUS_DETECT_SPAWN_AND_UNWRAP): Likewise.
	(LANG_HOOKS_CILKPLUS_CILKPLUS_GIMPLIFY_SPAWN): Likewise.
	* c-typeck.c (cilk_install_body_with_frame_cleanup): New function.

2013-12-04  Joseph Myers  <joseph@codesourcery.com>

	PR c/52023
	* c-parser.c (c_parser_alignas_specifier): Use
	c_sizeof_or_alignof_type instead of c_alignof.
	(c_parser_alignof_expression): Likewise, with min_alignof
	parameter depending on alignof spelling used.

2013-12-04  Marek Polacek  <polacek@redhat.com>

	PR c/54113
	* c-decl.c (start_function): Don't warn for missing prototype for
	inline functions.

2013-12-03  Marek Polacek  <polacek@redhat.com>

	PR c/59351
	* c-decl.c (build_compound_literal): Allow compound literals with
	empty initial value.

2013-12-02  Joseph Myers  <joseph@codesourcery.com>

	PR c/58235
	* c-typeck.c (build_modify_expr): Diagnose assignment to
	expression with array type.

2013-11-29  Joseph Myers  <joseph@codesourcery.com>

	PR c/42262
	* c-typeck.c (process_init_element): Do not treat a string as
	initializing a whole array when used with a designator for an
	individual element.

2013-11-29  Joseph Myers  <joseph@codesourcery.com>

	PR c/57574
	* c-decl.c (merge_decls): Clear DECL_EXTERNAL for a definition of
	an inline function following a static declaration.

2013-11-28  Jakub Jelinek  <jakub@redhat.com>

	PR c/59310
	* c-parser.c (c_parser_omp_target): Copy "#pragma omp target"
	to p_name before calling c_parser_omp_teams instead of after.
	(c_parser_cilk_simd): Remove wrong ATTRIBUTE_UNUSED from parser
	argument.  Remove unused p_name variable.

2013-11-27  Aldy Hernandez  <aldyh@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	* c-decl.c (c_builtin_function_ext_scope): Avoid binding if
	external_scope is NULL.

2013-11-27  Tom de Vries  <tom@codesourcery.com>
	    Marc Glisse  <marc.glisse@inria.fr>

	PR c++/59032
	* c-typeck.c (build_unary_op): Allow vector increment and decrement.

2013-11-22  Andrew MacLeod  <amacleod@redhat.com>

	* c-typeck.c: Add required include files from gimple.h.

2013-11-22  David Malcolm  <dmalcolm@redhat.com>

	* c-decl.c (define_label, shadow_tag_warned)
	(check_bitfield_type_and_width, grokdeclarator, grokparms,
	store_parm_decls_newstyle, store_parm_decls_oldstyle)
	(declspecs_add_type): Remove use of in_system_header macro.
	* c-parser.c (c_parser_unary_expression): Likewise.
	* c-typeck.c (store_init_value, process_init_element)
	(c_start_case): Likewise.

	* c-decl.c (build_enumerator): Remove use of EXPR_LOC_OR_HERE
	macro.

	* c-parser.c (c_parser_set_source_position_from_token): Remove
	reference to in_system_header from comment.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* c-decl.c (grokdeclarator): Update comment to refer to
	tree_to_[su]hwi rather than tree_low_cst.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* c-decl.c, c-typeck.c: Replace tree_low_cst (..., 1) with
	tree_to_uhwi throughout.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* c-parser.c: Replace tree_low_cst (..., 0) with tree_to_shwi
	throughout.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

	* c-parser.c: Replace host_integerp (..., 0) with tree_fits_shwi_p
	throughout.

2013-11-15  Aldy Hernandez  <aldyh@redhat.com>

	* c-parser.c (c_parser_cilk_simd): New.
	(c_parser_cilk_verify_simd): New.
	(c_parser_pragma): Add case for PRAGMA_CILK_SIMD.
	(c_parser_omp_for_loop): Add case for NE_EXPR.
	Set c_break_label for CILK_SIMD.
	(c_parser_cilk_clause_vectorlength): New.
	(c_parser_cilk_clause_linear): New.
	(c_parser_cilk_clause_name): New.
	(c_parser_cilk_all_clauses): New.
	* c-typeck.c (build_unary_op): Pass location argument to
	readonly_error.
	(build_modify_expr): Same.
	(build_asm_expr): Same.
	(c_finish_bc_stmt): Error on break/continue in loops.

2013-11-14  Andrew MacLeod  <amacleod@redhat.com>

	* c-typeck.c: Include only gimplify.h and gimple.h as needed.

2013-11-14  Diego Novillo  <dnovillo@google.com>

	* c-decl.c: Include print-tree.h.
	Include stor-layout.h.
	Include varasm.h.
	Include attribs.h.
	Include stringpool.h.
	* c-lang.c: Include fold-const.h.
	* c-parser.c: Include stringpool.h.
	Include attribs.h.
	Include stor-layout.h.
	Include varasm.h.
	Include trans-mem.h.
	* c-typeck.c: Include stor-layout.h.
	Include trans-mem.h.
	Include varasm.h.
	Include stmt.h.

2013-11-13  Joseph Myers  <joseph@codesourcery.com>

	* c-tree.h (c_typespec_keyword): Add cts_auto_type.
	* c-decl.c (declspecs_add_type, finish_declspecs): Handle
	__auto_type.
	* c-parser.c (c_token_starts_typename, c_token_starts_declspecs)
	(c_parser_attribute_any_word, c_parser_objc_selector): Handle
	RID_AUTO_TYPE.
	(c_parser_declspecs): Take argument AUTO_TYPE_OK.
	(c_parser_declaration_or_fndef, c_parser_struct_declaration)
	(c_parser_declarator, c_parser_direct_declarator_inner)
	(c_parser_parameter_declaration, c_parser_type_name): All callers
	changed.
	(c_parser_declaration_or_fndef): Handle declarations with type
	determined from the initializer.

2013-11-12  Andrew MacLeod  <amacleod@redhat.com>

	* c-typeck.c: Include gimplify.h.

2013-11-12  Joseph Myers  <joseph@codesourcery.com>

	* c-tree.h (struct c_declspecs): Add thread_gnu_p field.
	* c-parser.c (c_parser_declspecs): Mention _Thread_local in
	comment.
	* c-decl.c (shadow_tag_warned, grokdeclarator): Mention __thread
	or _Thread_local as appropriate in diagnostics.
	(build_null_declspecs): Initialize ret->thread_gnu_p.
	(declspecs_add_scspec): Handle either __thread or _Thread_local
	for RID_THREAD.  Diagnose _Thread_local for pre-C11 standards if
	pedantic.  Do not disallow _Thread_local extern and _Thread_local
	static.

2013-11-07  Joseph Myers  <joseph@codesourcery.com>
	    Andrew MacLeod  <amacleod@redhat.com>

	* c-aux-info.c (gen_type): Handle atomic qualifier.
	* c-decl.c (validate_proto_after_old_defn): Do not remove atomic
	qualifiers when compating types.
	(shadow_tag_warned): Handle atomic_p in declspecs.
	(quals_from_declspecs): Likewise.
	(start_decl): Use c_type_promotes_to when promoting argument
	types.
	(grokdeclarator): Handle _Atomic.
	(get_parm_info): Diagnose any qualifier on "void" as only
	parameter.
	(store_parm_decls_oldstyle): Do not remove atomic qualifiers when
	comparing types.  Use c_type_promotes_to when promoting argument
	types.
	(finish_function): Use c_type_promotes_to when promoting argument
	types.
	(build_null_declspecs): Handle atomic_p in declspecs.
	(declspecs_add_qual): Handle RID_ATOMIC.
	* c-parser.c (c_token_starts_typename, c_token_is_qualifier)
	(c_token_starts_declspecs): Handle RID_ATOMIC.
	(c_parser_declspecs): Handle atomic type specifiers and
	qualifiers.
	(c_parser_typeof_specifier): Remove const and _Atomic qualifiers
	from types of expressions with atomic type.
	(c_parser_direct_declarator_inner): Use convert_lvalue_to_rvalue.
	(c_parser_attribute_any_word): Handle RID_ATOMIC.
	(c_parser_initializer, c_parser_initelt, c_parser_initval)
	(c_parser_statement_after_labels, c_parser_switch_statement)
	(c_parser_for_statement, c_parser_expr_no_commas)
	(c_parser_conditional_expression, c_parser_binary_expression)
	(c_parser_cast_expression, c_parser_unary_expression)
	(c_parser_postfix_expression)
	(c_parser_postfix_expression_after_primary, c_parser_expression):
	Use convert_lvalue_to_rvalue.
	(c_parser_expression_conv, c_parser_expr_list): Document
	conversion of lvalues to rvalues.  Use convert_lvalue_to_rvalue.
	(c_parser_objc_synchronized_statement): Use
	convert_lvalue_to_rvalue.
	(c_parser_objc_selector): Handle RID_ATOMIC.
	(c_parser_objc_receiver, c_parser_array_notation): Use
	convert_lvalue_to_rvalue.
	* c-tree.h (ctsk_typeof): Adjust comment to mention use for
	_Atomic (type-name).
	(struct c_declspecs): Add atomic_p field.
	(convert_lvalue_to_rvalue): Declare.
	* c-typeck.c (c_type_promotes_to): Promote atomic types to
	corresponding atomic types.
	(qualify_type): Don't add _Atomic qualifiers from second argument.
	(comp_target_types): Do not allow _Atomic mismatches.
	(type_lists_compatible_p): Do not remove atomic qualifiers when
	comparing types.
	(really_atomic_lvalue, convert_lvalue_to_rvalue)
	(build_atomic_assign): New functions.
	(build_unary_op): Use build_atomic_assign for atomic increment and
	decrement.
	(build_conditional_expr): Do not treat _Atomic void as a qualified
	version of void.
	(build_modify_expr): Use build_atomic_assign for atomic LHS.
	(find_anonymous_field_with_type, convert_to_anonymous_field)
	(convert_for_assignment): Do not remove atomic qualifiers when
	comparing types.
	(digest_init): Do not accept initialization of arrays of atomic
	elements by string constants.
	(build_asm_expr): Use convert_lvalue_to_rvalue.
	(build_binary_op): Do not treat _Atomic void as a qualified
	version of void.

2013-11-06  DJ Delorie  <dj@redhat.com>

	* c-decl.c (locate_old_decl): If a previous conflicting decl is
	both explicit and builtin, print the location of the explicit one.

2013-11-05  Tobias Burnus  <burnus@net-b.de>

	* c-parser.c (c_parser_omp_for, c_parser_omp_parallel,
	c_parser_omp_distribute, c_parser_omp_teams,
	c_parser_omp_target, c_parser_omp_declare): Handle
	-fopenmp-simd.

2013-11-03  Marek Polacek  <polacek@redhat.com>

	* c-decl.c (grokdeclarator): Add VLA instrumentation.

2013-11-01  Jakub Jelinek  <jakub@redhat.com>

	* c-typeck.c (c_finish_omp_clauses) <case OMP_CLAUSE_UNIFORM>: Go to
	check_dup_generic at the end, unless remove is true.
	(c_finish_omp_clauses) <case OMP_CLAUSE_REDUCTION>: Add break; after
	remove = true;.
	(c_finish_omp_clauses) <case OMP_CLAUSE_COPYIN>: Likewise.

2013-10-31  Jakub Jelinek  <jakub@redhat.com>

	* c-typeck.c (c_finish_omp_clauses): Diagnose aligned clause
	with decl that is not pointer nor array.

2013-10-29  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-decl.c (finish_function): Added a call for insert_cilk_frame when
	a spawning function is found.
	* c-objc-common.h (LANG_HOOKS_CILKPLUS_GIMPLIFY_SPAWN): New #define.
	(LANG_HOOKS_CILKPLUS_FRAME_CLEANUP): Likewise.
	(LANG_HOOKS_CILKPLUS_DETECT_SPAWN_AND_UNWRAP): Likewise.
	* c-parser.c (c_parser_statement_after_labels): Added RID_CILK_SYNC
	case.
	(c_parser_postfix_expression): Added RID_CILK_SPAWN case.
	* c-typeck.c (build_compound_expr): Reject _Cilk_spawn in a comma
	expr.
	(c_finish_return): Added a check to reject _Cilk_spawn in return
	expression.
	(build_cilk_spawn): New function.
	(build_cilk_sync): Likewise.
	* Makefile.in (c-decl.o): Added cilk.h in dependency list.
	
2013-10-27  Tobias Burnus  <burnus@net-b.de>

	PR other/33426
	* c-parser.c (c_parser_while_statement, c_parser_while_statement,
	c_parser_pragma): Add GCC ivdep support to 'do' and 'while'.
	(c_parser_statement_after_labels): Update calls.

2013-10-24  Tobias Burnus  <burnus@net-b.de>

	PR other/33426
	* c-parser.c (c_parser_pragma, c_parser_for_statement):
	Handle PRAGMA_IVDEP.
	(c_parser_statement_after_labels): Update call.

2013-10-24  Marek Polacek  <polacek@redhat.com>

	* c-parser.c (c_parser_struct_declaration): Add a comment.
	(c_parser_declarator): Don't allow _Alignas here.

2013-10-17  Andrew MacLeod  <amacleod@redhat.com>

	* c-parser.c: Include omp-low.h.
	* c-typeck.c: Likewise.

2013-10-17  Marek Polacek  <polacek@redhat.com>

	PR c/58267
	* c-parser.c (c_parser_declspecs): Add alignspec_ok parameter.
	Document syntax of the array-declarator.
	(c_parser_declspecs) <RID_ALIGNAS>: Bail out if alignment specs
	are not permitted.
	(c_parser_declaration_or_fndef): Adjust c_parser_declspecs call.
	(c_parser_struct_declaration): Likewise.
	(c_parser_declarator): Likewise.
	(c_parser_direct_declarator_inner): Likewise.
	(c_parser_parameter_declaration): Likewise.
	(c_parser_type_name): Likewise.

2013-10-11  Jakub Jelinek  <jakub@redhat.com>

	* c-lang.h (current_omp_declare_target_attribute): New extern
	decl.
	* c-parser.c: Include c-lang.h.
	(struct c_parser): Change tokens to c_token *.
	Add tokens_buf field.  Change tokens_avail type to unsigned int.
	(c_parser_consume_token): If parser->tokens isn't
	&parser->tokens_buf[0], increment parser->tokens.
	(c_parser_consume_pragma): Likewise.
	(enum pragma_context): Add pragma_struct and pragma_param.
	(c_parser_external_declaration): Adjust
	c_parser_declaration_or_fndef caller.
	(c_parser_declaration_or_fndef): Add omp_declare_simd_clauses
	argument, if it is non-vNULL vector, call c_finish_omp_declare_simd.
	Adjust recursive call.
	(c_parser_struct_or_union_specifier): Use pragma_struct instead
	of pragma_external.
	(c_parser_parameter_declaration): Use pragma_param instead of
	pragma_external.
	(c_parser_compound_statement_nostart, c_parser_label,
	c_parser_for_statement): Adjust
	c_parser_declaration_or_fndef callers.
	(c_parser_expr_no_commas): Add omp_atomic_lhs argument, pass
	it through to c_parser_conditional_expression.
	(c_parser_conditional_expression): Add omp_atomic_lhs argument,
	pass it through to c_parser_binary_expression.  Adjust recursive
	call.
	(c_parser_binary_expression): Remove prec argument, add
	omp_atomic_lhs argument instead.  Always start from PREC_NONE, if
	omp_atomic_lhs is non-NULL and one of the arguments of toplevel
	binop matches it, use build2 instead of parser_build_binary_op.
	(c_parser_pragma): Handle PRAGMA_OMP_CANCEL,
	PRAGMA_OMP_CANCELLATION_POINT, PRAGMA_OMP_TARGET,
	PRAGMA_OMP_END_DECLARE_TARGET, PRAGMA_OMP_DECLARE_REDUCTION.
	Handle pragma_struct and pragma_param the same as pragma_external.
	(c_parser_omp_clause_name): Parse new OpenMP 4.0 clause names.
	(c_parser_omp_variable_list): Parse array sections for
	OMP_CLAUSE_{DEPEND,MAP,TO,FROM} clauses.
	(c_parser_omp_clause_collapse): Fully fold collapse expression.
	(c_parser_omp_clause_reduction): Handle user defined reductions.
	(c_parser_omp_clause_branch, c_parser_omp_clause_cancelkind,
	c_parser_omp_clause_num_teams, c_parser_omp_clause_thread_limit,
	c_parser_omp_clause_aligned, c_parser_omp_clause_linear,
	c_parser_omp_clause_safelen, c_parser_omp_clause_simdlen,
	c_parser_omp_clause_depend, c_parser_omp_clause_map,
	c_parser_omp_clause_device, c_parser_omp_clause_dist_schedule,
	c_parser_omp_clause_proc_bind, c_parser_omp_clause_to,
	c_parser_omp_clause_from, c_parser_omp_clause_uniform): New functions.
	(c_parser_omp_all_clauses): Add finish_p argument.  Don't call
	c_finish_omp_clauses if it is false.  Handle new OpenMP 4.0 clauses.
	(c_parser_omp_atomic): Parse seq_cst clause, pass true if it is
	present to c_finish_omp_atomic.  Handle OpenMP 4.0 atomic forms.
	(c_parser_omp_for_loop): Add CODE argument, pass it through
	to c_finish_omp_for.  Change last argument to cclauses,
	and adjust uses to grab parallel clauses from the array of all
	the split clauses.  Adjust c_parser_binary_expression,
	c_parser_declaration_or_fndef and c_finish_omp_for callers.
	(omp_split_clauses): New function.
	(c_parser_omp_simd): New function.
	(c_parser_omp_for): Add p_name, mask and cclauses arguments.
	Allow the function to be called also when parsing combined constructs,
	and call c_parser_omp_simd when parsing for simd.
	(c_parser_omp_sections_scope): If section-sequence doesn't start with
	#pragma omp section, require exactly one structured-block instead of
	sequence of statements.
	(c_parser_omp_sections): Add p_name, mask and cclauses arguments.
	Allow the function to be called also when parsing combined constructs.
	(c_parser_omp_parallel): Add p_name, mask and cclauses arguments.
	Allow the function to be called also when parsing combined
	constructs.
	(c_parser_omp_taskgroup, c_parser_omp_cancel,
	c_parser_omp_cancellation_point, c_parser_omp_distribute,
	c_parser_omp_teams, c_parser_omp_target_data,
	c_parser_omp_target_update, c_parser_omp_target,
	c_parser_omp_declare_simd, c_finish_omp_declare_simd,
	c_parser_omp_declare_target, c_parser_omp_end_declare_target,
	c_parser_omp_declare_reduction, c_parser_omp_declare): New functions.
	(c_parser_omp_construct): Add p_name and mask vars.  Handle
	PRAGMA_OMP_DISTRIBUTE, PRAGMA_OMP_SIMD, PRAGMA_OMP_TASKGROUP,
	PRAGMA_OMP_TEAMS.  Adjust c_parser_omp_for, c_parser_omp_parallel
	and c_parser_omp_sections callers.
	(c_parse_file): Initialize tparser.tokens and the_parser->tokens here.
	(OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
	OMP_SINGLE_CLAUSE_MASK): Use OMP_CLAUSE_MASK_1 instead of 1.
	(OMP_PARALLEL_CLAUSE_MASK): Likewise.  Add OMP_CLAUSE_PROC_BIND.
	(OMP_TASK_CLAUSE_MASK): Use OMP_CLAUSE_MASK_1 instead of 1.  Add
	OMP_CLAUSE_DEPEND.
	(OMP_SIMD_CLAUSE_MASK, OMP_CANCEL_CLAUSE_MASK,
	OMP_CANCELLATION_POINT_CLAUSE_MASK, OMP_DISTRIBUTE_CLAUSE_MASK,
	OMP_TEAMS_CLAUSE_MASK, OMP_TARGET_DATA_CLAUSE_MASK,
	OMP_TARGET_UPDATE_CLAUSE_MASK, OMP_TARGET_CLAUSE_MASK,
	OMP_DECLARE_SIMD_CLAUSE_MASK): Define.
	* c-typeck.c: Include tree-inline.h.
	(c_finish_omp_cancel, c_finish_omp_cancellation_point,
	handle_omp_array_sections_1, handle_omp_array_sections,
	c_clone_omp_udr, c_find_omp_placeholder_r): New functions.
	(c_finish_omp_clauses): Handle new OpenMP 4.0 clauses and
	user defined reductions.
	(c_tree_equal): New function.
	* c-tree.h (temp_store_parm_decls, temp_pop_parm_decls,
	c_finish_omp_cancel, c_finish_omp_cancellation_point, c_tree_equal,
	c_omp_reduction_id, c_omp_reduction_decl, c_omp_reduction_lookup,
	c_check_omp_declare_reduction_r): New prototypes.
	* c-decl.c (current_omp_declare_target_attribute): New variable.
	(c_decl_attributes): New function.
	(start_decl, start_function): Use it instead of decl_attributes.
	(temp_store_parm_decls, temp_pop_parm_decls, c_omp_reduction_id,
	c_omp_reduction_decl, c_omp_reduction_lookup,
	c_check_omp_declare_reduction_r): New functions.

2013-09-25  Tom Tromey  <tromey@redhat.com>

	* Make-lang.in (c/gccspec.o): Remove.
	(CFLAGS-c/gccspec.o): New variable.
	(cc1-checksum.o, C_TREE_H, c/c-aux-info.o, c/c-convert.o)
	(c/c-decl.o, c/c-errors.o, c/c-lang.o, c/c-objc-common.o)
	(c/c-parser.o, c/c-typeck.o, c/c-array-notation.o): Remove.

2013-09-25  Tom Tromey  <tromey@redhat.com>

	* Make-lang.in (c/gccspec.o): Don't use subshell.

2013-09-18  Marek Polacek  <polacek@redhat.com>

	PR sanitize/58443
	* c-typeck.c (build_binary_op): Properly honor -fsanitize options.
	Remove unnecessary check.

2013-09-18  Marek Polacek  <polacek@redhat.com>

	PR sanitizer/58411
	* c-typeck.c (build_binary_op): Don't sanitize function if it has the
	no_sanitize_undefined attribute.

2013-09-13  Kai Tietz  <ktietz@redhat.com>

	PR target/57848
	* c-decl.c (c_builtin_function_ext_scope): Remove
	wrong assumption that it is never called on prexisting
	symbol.

2013-09-08  Joern Rennecke  <joern.rennecke@embecosm.com>

	* c-typeck.c (build_binary_op): Use vector_types_compatible_elements_p.

2013-09-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>

	* c-objc-common.c (c_tree_printer): Tidy.

2013-08-30  Marek Polacek  <polacek@redhat.com>

	* c-typeck.c (build_binary_op): Add division by zero and shift
	instrumentation.

2013-08-26  Joern Rennecke  <joern.rennecke@embecosm.com>
	    Joseph Myers  <joseph@codesourcery.com>

	PR c/35649
	* c-typeck.c (c_common_type): Prefer double_type_node over
	other REAL_TYPE types with the same precision.
	(convert_arguments): Likewise.

2013-08-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>

	* c-objc-common.c (c_tree_printer): Document the nature of the cast.
	(c_initialize_diagnostics): Call a destructor for the early printer.

2013-08-22  Gabriel Dos Reis  <gdr@integrable-solutions.net>

	* c-objc-common.c (c_initialize_diagnostics): Simplify C pretty
	printer initialization.

2013-08-19  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	PR c/57490
	* c-array-notation.c (fix_conditional_array_notations_1): Added a
	check for truth values.
	(expand_array_notation_exprs): Added truth values case.  Removed an
	unwanted else.  Added for-loop to walk through subtrees in default
	case.

2013-08-04  Gabriel Dos Reis  <gdr@integrable-solutions.net>

	* c-objc-common.c (c_initialize_diagnostics): Don't call pp_base.

2013-07-23  Joseph Myers  <joseph@codesourcery.com>

	* c-parser.c (struct c_generic_association): Fix typo.

2013-07-23  Tom Tromey  <tromey@redhat.com>
	    Joseph Myers  <joseph@codesourcery.com>

	* c-parser.c (struct c_generic_association): New.
	(c_generic_association_d): New typedef.
	(c_parser_generic_selection): New function.
	(c_parser_postfix_expression): Handle RID_GENERIC.

2013-07-13  Jason Merrill  <jason@redhat.com>

	PR c++/57793
	* c-decl.c (finish_struct): Check for too-large class.

2013-07-04  Joern Rennecke  <joern.rennecke@embecosm.com>

	PR c/57821
	* c-typeck.c (set_init_index): When folding, check for index overflow.

2013-06-28  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-parser.c (c_parser_array_notation): Removed rejection of array
	notations in an array of function pointers.

2013-06-21  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notation.c (make_triplet_val_inv): New function.
	(create_cmp_incr): Likewise.
	(create_array_refs): Likewise.
	(fix_builtin_array_notation_fn): Replaced all mallocs with tree vec.
	Also modularized common parts between functions and called the function.
	(build_array_notation_expr): Likewise.
	(fix_conditional_array_notations_1): Likewise.
	(fix_array_notation_expr): Likewise.
	(fix_array_notation_call_expr): Likewise.

2013-06-18  Marek Polacek  <polacek@redhat.com>

	PR c/57630
	* c-decl.c (check_for_loop_decls): Improve diagnostics messages.

2013-06-12  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notation.c (build_array_notation_expr): Reject array notation
	mismatch between LHS and RHS even inside a call_expr.  Also, removed
	a couple while statements that were dead code.

2013-06-10  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notation.c (fix_builtin_array_notation_fn): Fully folded
	excessive precision expressions in function parameters.  Also removed
	couple unwanted while statements.

2013-06-07  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notation.c (expand_array_notation_exprs): Added
	ARRAY_NOTATION_REF case.
	
2013-06-07  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-array-notation.c (length_mismatch_in_expr_p): Moved this
	function to c-family/array-notation-common.c.
	(is_cilkplus_reduce_builtin): Likewise.
	(find_rank): Likewise.
	(extract_array_notation_exprs): Likewise.
	(replace_array_notations): Likewise.
	(find_inv_trees): Likewise.
	(replace_inv_trees): Likewise.
	(contains_array_notation_expr): Likewise.
	(find_correct_array_notation_type): Likewise.
	(replace_invariant_exprs): Initialized additional_tcodes to NULL.
	(struct inv_list): Moved this to c-family/array-notation-common.c.
	* c-tree.h (is_cilkplus_builtin_reduce): Remove prototype.
	
2013-06-05  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-typeck.c (convert_arguments): Moved checking of builtin cilkplus
	reduction functions outside the for-loop.  Added a check if the fundecl
	is non-NULL.  Finally, removed an unwanted if-statement, and made the
	body unconditional.

2013-06-03  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-typeck.c (c_finish_if_stmt): Added a check to see if the rank of the
	condition of the if-statement matches the rank of else-block and then-
	block when array notations are used.
	* c-parser.c (c_parser_declaration_or_fndef): Expanded array notation
	expression after the entire function body is parsed.
	(c_parser_expr_no_commas): Delayed creating array notation expressions
	to the end of function parsing.
	* c-array-notation.c (fix_conditional_array_notations_1): Expanded the
	whole if-statement instead of just the condition.
	(expand_array_notation_exprs): Added MODIFY_EXPR case.	

2013-06-03  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	PR c/57474
	* c-array-notation.c (build_array_notation_expr): Initialized rhs_length
	array to NULL_TREE if they are unused.  Also added a check for the
	field to be NULL before its fields are used in future.
	
2013-05-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR bootstrap/57450
	* c-array-notation.c (length_mismatch_in_expr_p): Use absu_hwi.
	(build_array_notation_expr): Likewise.

2013-05-28  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-typeck.c (build_array_ref): Added a check to see if array's
	index is greater than one.  If true, then emit an error.
	(build_function_call_vec): Exclude error reporting and checking
	for builtin array-notation functions.
	(convert_arguments): Likewise.
	(c_finish_return): Added a check for array notations as a return
	expression.  If true, then emit an error.
	(c_finish_loop): Added a check for array notations in a loop
	condition.  If true then emit an error.
	(lvalue_p): Added a ARRAY_NOTATION_REF case.
	(build_binary_op): Added a check for array notation expr inside
	op1 and op0.  If present, we call another function to find correct
	type.
	* Make-lang.in (C_AND_OBJC_OBJS): Added c-array-notation.o.
	* c-parser.c (c_parser_compound_statement): Check if array
	notation code is used in tree, if so, then transform them into
	appropriate C code.
	(c_parser_expr_no_commas): Check if array notation is used in LHS
	or RHS, if so, then build array notation expression instead of
	regular modify.
	(c_parser_postfix_expression_after_primary): Added a check for
	colon(s) after square braces, if so then handle it like an array
	notation.  Also, break up array notations in unary op if found.
	(c_parser_direct_declarator_inner): Added a check for array
	notation.
	(c_parser_compound_statement): Added a check for array notation in
	a stmt.  If one is present, then expand array notation expr.
	(c_parser_if_statement): Likewise.
	(c_parser_switch_statement): Added a check for array notations in
	a switch statement's condition.  If true, then output an error.
	(c_parser_while_statement): Similarly, but for a while.
	(c_parser_do_statement): Similarly, but for a do-while.
	(c_parser_for_statement): Similarly, but for a for-loop.
	(c_parser_unary_expression): Check if array notation is used in a
	pre-increment or pre-decrement expression.  If true, then expand
	them.
	(c_parser_array_notation): New function.
	* c-array-notation.c: New file.
	* c-tree.h (is_cilkplus_reduce_builtin): Protoize.
	
2013-05-23  Mike Stump  <mikestump@comcast.net>

	* c-typeck.c (convert_for_assignment): Handle references to memory
	spaces better.

2013-05-16  Jason Merrill  <jason@redhat.com>

	* Make-lang.in (cc1$(exeext)): Use link mutex.

2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>

	* c-typeck.c (pointer_diff): Change -Wpointer-arith pedwarns
	to simply use OPT_Wpointer_arith.
	(build_unary_op): Likewise.

2013-04-03  Jakub Jelinek  <jakub@redhat.com>

	PR c/19449
	* c-parser.c (c_parser_get_builtin_args): Add choose_expr_p
	argument.  If set, or it temporarily for parsing of the first
	argument into force_folding_builtin_constant_p.
	(c_parser_postfix_expression): Adjust callers.

2013-03-21  Richard Biener  <rguenther@suse.de>

	* c-objc-common.c (c_tree_printer): Use DECL_HAS_DEBUG_EXPR_P
	instead of DECL_DEBUG_EXPR_IS_FROM.  Guard properly.

2013-02-12  Marek Polacek  <polacek@redhat.com>

	PR c/44938
	* c-parser.c (c_parser_postfix_expression_after_primary): Initialize
	origtypes to NULL.

2013-01-24  Jakub Jelinek  <jakub@redhat.com>

	PR c/56078
	* c-typeck.c (set_nonincremental_init_from_string): If
	constructor_max_index is NULL, treat it as if tree_int_cst_lt
	returned false.
	(process_init_element): Likewise.

2012-12-20  Jakub Jelinek  <jakub@redhat.com>

	PR c++/55619
	* c-parser.c (c_parser_asm_operands): Remove CONVERT_P
	argument, don't call default_function_array_conversion
	nor c_fully_fold here.
	(c_parser_asm_statement): Adjust callers.
	* c-typeck.c (build_asm_expr): Call c_fully_fold on inputs
	and outputs here, and call default_function_array_conversion
	on inputs that don't need to be addressable.

2012-12-18  Jakub Jelinek  <jakub@redhat.com>

	PR c/39464
	* c-typeck.c (convert_for_assignment): For -Wpointer-sign
	warning require that both c_common_unsigned_type as well as
	c_common_signed_type is the same for both mvl and mvr types.

2012-11-16  Diego Novillo  <dnovillo@google.com>

	Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)

	* c-common.c: Use new vec API in vec.h.
	* c-common.h: Likewise.
	* c-gimplify.c: Likewise.
	* c-pragma.c: Likewise.
	* c-pretty-print.c: Likewise.
	* c-pretty-print.h: Likewise.
	* c-semantics.c: Likewise.
	* c-decl.c: Likewise.
	* c-parser.c: Likewise.
	* c-tree.h: Likewise.
	* c-typeck.c: Likewise.

2012-10-29  Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR c++/54930
	* c-typeck.c (c_finish_return): Use OPT_Wreturn_local_addr.

2012-10-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53066
	* c-decl.c (warn_if_shadowing): Do not warn if a variable
	shadows a function, unless the variable is a function or a
	pointer-to-function.

2012-10-12  Jakub Jelinek  <jakub@redhat.com>

	PR c/54381
	* c-parser.c (struct c_tree_loc_pair): Removed.
	(c_parser_expr_list): Remove struct c_tree_loc_pair * argument,
	add location_t * and tree * arguments, fill in array of 3
	sizeof_arg trees and corresponding locs.
	(c_parser_attributes, c_parser_objc_keywordexpr): Adjust
	c_parser_expr_list callers.
	(c_parser_postfix_expression_after_primary): Likewise.  Pass
	array of 3 sizeof_arg trees and locs (corresponding to first
	3 arguments) to sizeof_pointer_memaccess_warning.

2012-10-09  Lawrence Crowl  <crowl@google.com>

	* Make-lang.in (c-decl.o): Add dependence on hash-table.h.
	* c-decl.c (detect_field_duplicates_hash): Change to new type-safe
	hash table.

2012-10-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/54194
	* c-typeck.c (parser_build_binary_op): Update warn_about_parentheses
	call.

2012-10-09  Marc Glisse  <marc.glisse@inria.fr>

	PR c++/54427
	* c-typeck.c: Include c-common.h.
	(enum stv_conv): Moved to c-common.h.
	(scalar_to_vector): Moved to c-common.c.
	(build_binary_op): Adapt to scalar_to_vector's new prototype.
	* Make-lang.in: c-typeck.c depends on c-common.h.

2012-10-04  Arnaud Charlet  <charlet@adacore.com>

	* c-decl.c (c_write_global_declarations): Fix handling of
	-fdump-ada-spec*.

2012-09-30  Sharad Singhai  <singhai@google.com>

	* c-decl.c (c_write_global_declarations): Use a different method
	to determine if the dump has ben initialized.

2012-09-14  Joseph Myers  <joseph@codesourcery.com>

	PR c/54552
	* c-typeck.c (c_cast_expr): When casting to a type requiring
	C_MAYBE_CONST_EXPR to be created, pass the inner expression to
	c_fully_fold first.

2012-09-14  Joseph Myers  <joseph@codesourcery.com>

	PR c/54103
	* c-typeck.c (build_unary_op): Pass original argument of
	TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
	any C_MAYBE_CONST_EXPR, if it has integer operands.
	(build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
	TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
	to c_objc_common_truthvalue_conversion, then remove any
	C_MAYBE_CONST_EXPR, if they have integer operands.  Use
	c_objc_common_truthvalue_conversion not
	c_common_truthvalue_conversion.
	(c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
	call note_integer_operands for arguments with integer operands
	that are not integer constants.

2012-09-13  Jakub Jelinek  <jakub@redhat.com>

	PR c/54559
	* c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
	COMPLEX_TYPE with in_late_binary_op set temporarily to true.

2012-08-31  Jakub Jelinek  <jakub@redhat.com>

	PR c/54428
	* c-convert.c (convert): Don't call fold_convert_loc if
	TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
	is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
	COMPLEX_TYPE -> COMPLEX_TYPE conversion.

2012-08-24  Jakub Jelinek  <jakub@redhat.com>

	PR c/54355
	* c-decl.c (c_parser_label): Pass true as nested and fix up comments
	for nested and empty_ok arguments in the call to
	c_parser_declaration_or_fndef.

2012-08-17  Jakub Jelinek  <jakub@redhat.com>

	* c-tree.h (c_last_sizeof_arg): Declare.
	* c-parser.c (struct c_tree_loc_pair): New type.
	(c_parser_expr_list): Add sizeof_arg argument.  Fill it in if
	non-NULL.
	(c_parser_attributes, c_parser_objc_keywordexpr): Adjust callers.
	(c_parser_postfix_expression_after_primary): Likewise.  Call
	sizeof_pointer_memaccess_warning if needed.
	(sizeof_ptr_memacc_comptypes): New function.
	* c-typeck.c (c_last_sizeof_arg): New global variable.
	(c_expr_sizeof_expr, c_expr_sizeof_type): Initialize it.

2012-07-24  Uros Bizjak  <ubizjak@gmail.com>

	* c-lang.h (lang_decl): Add variable_size GTY option.

2012-07-16  Steven Bosscher  <steven@gcc.gnu.org>

	* c-decl.c: Include dumpfile.h instead of tree-dump.h.
	* Make-lang.in: Fix dependencies.

2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>

	* Make-lang.in: New file, rules migrated from gcc/Makefile.in
	and add language Makefile hooks.
	* config-lang.in: New file.
	* c-config-lang.in: Moved from gcc/config-lang.in to here, and
	add the required "normal" config-lang.in rules.
	* c-lang.h: Moved from gcc/ to here.
	* c-tree.h: Likewise.
	* c-objc-common.c: Likewise.
	* c-objc-common.h: Likewise.
	* c-typeck.c: Likewise.
	* c-convert.c: Likewise.
	* c-lang.c: Likewise.
	* c-aux-info.c: Likewise.
	* c-errors.c: Likewise.
	* gccspec.c: Likewise.
	* c-decl.c: Likewise.  Include gt-c-c-decl.h, not gt-c-decl.h.
	* c-parser.c: Likewise.  Include gt-c-c-parser.h, not gt-c-parser.h.
\f
Copyright (C) 2012-2018 Free Software Foundation, Inc.

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are permitted in any medium without royalty provided the copyright
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