Daily bump.

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

2023-11-24  Tobias Burnus  <tobias@codesourcery.com>

        * lang.opt (Wopenmp): Add, enabled by dafault and documented in C.
        * openmp.cc (gfc_match_omp_declare_target, resolve_positive_int_expr,
        resolve_nonnegative_int_expr, resolve_omp_clauses,
        gfc_resolve_omp_do_blocks): Use OPT_Wopenmp with gfc_warning{,_now}.

2023-11-24  Tobias Burnus  <tobias@codesourcery.com>

        * openmp.cc (gfc_match_omp_depobj): Accept optionally an argument
        to the destroy clause.

2023-11-23  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/112609
        * check.cc (gfc_check_system_clock): Add checks on integer arguments
        to SYSTEM_CLOCK specific to F2023.
        * error.cc (notify_std_msg): Adjust to handle new features added
        in F2023.
        * gfortran.texi (_gfortran_set_options): Document GFC_STD_F2023_DEL,
        remove obsolete option GFC_STD_F2008_TS and fix enumeration values.
        * libgfortran.h (GFC_STD_F2023_DEL): Add and use in GFC_STD_OPT_F23.
        * options.cc (set_default_std_flags): Add GFC_STD_F2023_DEL.

2023-11-17  Tobias Burnus  <tobias@codesourcery.com>

        * gfortran.texi (_gfortran_set_options): Document GFC_STD_F2023.
        * invoke.texi (std,pedantic,Wampersand,Wtabs): Add -std=2023.
        * lang.opt (std=f2023): Add.
        * libgfortran.h (GFC_STD_F2023, GFC_STD_OPT_F23): Add.
        * options.cc (set_default_std_flags): Add GFC_STD_F2023.
        (gfc_init_options): Set max_continue_free to 1,000,000.
        (gfc_post_options): Set flag_free_line_length if unset.
        (gfc_handle_option): Add OPT_std_f2023, set max_continue_free = 255
        for -std=f2003, f2008 and f2018.

2023-11-14  David Malcolm  <dmalcolm@redhat.com>

        * error.cc (gfc_diagnostics_init): Use diagnostic_start_span.

2023-11-07  Joseph Myers  <joseph@codesourcery.com>

        * gfortran.h (gfc_real_info): Refer to C23 instead of C2X in
        comment.

2023-11-06  Martin Jambor  <mjambor@suse.cz>

        * trans-decl.cc (gfc_build_builtin_function_decls): Fix fnspec of
        generate_error.

2023-11-04  David Malcolm  <dmalcolm@redhat.com>

        * cpp.cc: Update for changes to diagnostic_context.
        * error.cc: Likewise.
        * options.cc: Likewise.

2023-11-03  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/97245
        * match.cc (gfc_match_call): If a procedure pointer has already been
        resolved, do not create a new symbol in a procedure reference of
        the same name shadowing the first one if it is host-associated.

2023-11-03  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/92887
        * trans-expr.cc (conv_cond_temp): Helper function for creation of a
        conditional temporary.
        (gfc_conv_procedure_call): Handle passing of allocatable or pointer
        actual argument to dummy with OPTIONAL + VALUE attribute.  Actual
        arguments that are not allocated or associated are treated as not
        present.

2023-11-03  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/98498
        * interface.cc (upoly_ok): Defined operators using unlimited
        polymorphic formal arguments must not override the intrinsic
        operator use.

2023-11-02  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/112316
        * parse.cc (parse_associate): Remove condition that caused this
        regression.

2023-10-30  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/104555
        * resolve.cc (resolve_select_type): If the selector expression
        has no class component references and the expression is a
        derived type, copy the typespec of the symbol to that of the
        expression.

2023-10-27  Harald Anlauf  <anlauf@gmx.de>
            Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/104649
        * decl.cc (gfc_match_formal_arglist): Handle conflicting declarations
        of a MODULE PROCEDURE when one of the declarations is an alternate
        return.

2023-10-27  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/104625
        * expr.cc (gfc_check_vardef_context): Check that the target
        does have a vector index before emitting the specific error.
        * match.cc (copy_ts_from_selector_to_associate): Ensure that
        class valued operator expressions set the selector rank and
        use the rank to provide the associate variable with an
        appropriate array spec.
        * resolve.cc (resolve_operator): Reduce stacked parentheses to
        a single pair.
        (fixup_array_ref): Extract selector symbol from parentheses.

2023-10-26  Paul-Antoine Arras  <pa@codesourcery.com>
            Tobias Burnus  <tobias@codesourcery.com>

        * interface.cc (gfc_compare_types): Return true if one type is C_PTR
        and the other is a compatible INTEGER(8).
        * misc.cc (gfc_typename): Handle the case where an INTEGER(8) actually
        holds a TYPE(C_PTR).

2023-10-25  Thomas Schwinge  <thomas@codesourcery.com>

        * openmp.cc (omp_mask2): Split 'OMP_CLAUSE_HOST_SELF' into
        'OMP_CLAUSE_SELF', 'OMP_CLAUSE_HOST'.
        (gfc_match_omp_clauses, OACC_UPDATE_CLAUSES): Adjust.

2023-10-25  Chung-Lin Tang  <cltang@codesourcery.com>

        * gfortran.h (typedef struct gfc_omp_clauses): Add self_expr field.
        * openmp.cc (enum omp_mask2): Add OMP_CLAUSE_SELF.
        (gfc_match_omp_clauses): Add handling for OMP_CLAUSE_SELF.
        (OACC_PARALLEL_CLAUSES): Add OMP_CLAUSE_SELF.
        (OACC_KERNELS_CLAUSES): Likewise.
        (OACC_SERIAL_CLAUSES): Likewise.
        (resolve_omp_clauses): Add handling for omp_clauses->self_expr.
        * trans-openmp.cc (gfc_trans_omp_clauses): Add handling of
        clauses->self_expr and building of OMP_CLAUSE_SELF tree clause.
        (gfc_split_omp_clauses): Add handling of self_expr field copy.

2023-10-25  Thomas Schwinge  <thomas@codesourcery.com>

        * dump-parse-tree.cc (show_omp_clauses): Group handling of 'if'
        clause without and with modifier.
        * frontend-passes.cc (gfc_code_walker): Likewise.
        * gfortran.h (gfc_omp_clauses): Likewise.
        * openmp.cc (gfc_free_omp_clauses): Likewise.

2023-10-18  Tobias Burnus  <tobias@codesourcery.com>

        * intrinsic.texi (signal): Add 'intrinsic :: signal, sleep' to
        the example to make it safer.

2023-10-17  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/111837
        * frontend-passes.cc (traverse_io_block): Dependency check of loop
        nest shall be triangular, not banded.

2023-10-17  Tobias Burnus  <tobias@codesourcery.com>

        * intrinsic.texi (signal): Mention that the argument
        passed to the signal handler procedure is passed by reference.
        Extend example.

2023-10-15  Tobias Burnus  <tobias@codesourcery.com>

        * scanner.cc (skip_free_comments, skip_fixed_comments): Remove
        leftover 'OpenACC' from comments about OpenMP's conditional
        compilation sentinel.

2023-10-14  Tobias Burnus  <tobias@codesourcery.com>

        * gfortran.h (ext_attr_t): Add omp_allocate flag.
        * match.cc (gfc_free_omp_namelist): Void deleting same
        u2.allocator multiple times now that a sequence can use
        the same one.
        * openmp.cc (gfc_match_omp_clauses, gfc_match_omp_allocate): Use
        same allocator expr multiple times.
        (is_predefined_allocator): Make static.
        (gfc_resolve_omp_allocate): Update/extend restriction checks;
        remove sorry message.
        (resolve_omp_clauses): Reject corarrays in allocate/allocators
        directive.
        * parse.cc (check_omp_allocate_stmt): Permit procedure pointers
        here (rejected later) for less misleading diagnostic.
        * trans-array.cc (gfc_trans_auto_array_allocation): Propagate
        size for GOMP_alloc and location to which it should be added to.
        * trans-decl.cc (gfc_trans_deferred_vars): Handle 'omp allocate'
        for stack variables; sorry for static variables/common blocks.
        * trans-openmp.cc (gfc_trans_omp_clauses): Evaluate 'allocate'
        clause's allocator only once; fix adding expressions to the
        block.
        (gfc_trans_omp_single): Pass a block to gfc_trans_omp_clauses.

2023-10-13  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/104351
        * decl.cc (get_proc_name): Extend name conflict detection between
        internal procedure and previous declaration also to derived type.

2023-10-13  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/110957
        * invoke.texi: Update documentation to reflect '-ffpe-trap=none'.
        * options.cc (gfc_handle_fpe_option): Fix mixup up of error messages
        for options -ffpe-trap and -ffpe-summary.  Accept '-ffpe-trap=none'
        to clear FPU traps previously set on command line.

2023-10-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/111779
        * trans-expr.cc (gfc_trans_assignment_1): Initialize
        lhs_caf_attr and rhs_caf_attr codimension flag to avoid
        false positive -Wuninitialized.

2023-10-12  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/67740
        * trans-expr.cc (gfc_trans_pointer_assignment): Set the hidden
        string length component for pointer assignment to character
        pointer components.

2023-10-08  Tobias Burnus  <tobias@codesourcery.com>

        * parse.cc (parse_omp_structured_block): Make the user code end
        up inside of BLOCK construct for strictly structured blocks;
        fix fallout for 'section' and 'teams'.
        * openmp.cc (resolve_omp_target): Fix changed BLOCK handling
        for teams in target checking.

2023-10-04  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/37336
        PR fortran/111674
        * trans-expr.cc (gfc_trans_scalar_assign): Finalize components
        on deallocation if derived type is not finalizable.

2023-10-03  David Malcolm  <dmalcolm@redhat.com>

        * error.cc (gfc_format_decoder): Update for "m_" prefixes to
        text_info fields.

2023-10-02  David Malcolm  <dmalcolm@redhat.com>

        * error.cc (gfc_diagnostics_init): Update for change to start_span.

2023-10-02  David Malcolm  <dmalcolm@redhat.com>

        * error.cc (gfc_diagnostic_starter): Update for reorganization of
        source-printing fields of diagnostic_context.
        (gfc_diagnostics_init): Likewise.
        (gfc_diagnostics_finish): Likewise.

2023-09-29  Andre Vehreschild  <vehre@gcc.gnu.org>

        PR fortran/37336
        * trans-array.cc (structure_alloc_comps): Deref coarray.
        (gfc_trans_deferred_array): Add freeing of components after
        check for allocated coarray.

2023-09-24  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/68155
        PR fortran/111271
        * decl.cc (fix_initializer_charlen): New function broken out of
        add_init_expr_to_sym.
        (add_init_expr_to_sym, build_struct): Call the new function.
        * trans-expr.cc (gfc_conv_intrinsic_to_class): Remove repeated
        condition.

2023-09-23  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95710
        * class.cc (gfc_build_class_symbol): Do not try to build class
        container for invalid typespec.
        * resolve.cc (resolve_fl_var_and_proc): Prevent NULL pointer
        dereference.
        (resolve_symbol): Likewise.

2023-09-19  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/70231
        * trans-array.cc (trans_array_constructor): In absence of a typespec,
        use string length determined by get_array_ctor_strlen() to reasonably
        initialize auxiliary variable for bounds-checking.

2023-09-15  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/30802
        * trans-array.cc (trans_array_bound_check): Add optional argument
        COMPNAME for explicit specification of array component name.
        (array_bound_check_elemental): Helper function for generating
        bounds-checking code for elemental dimensions.
        (gfc_conv_expr_descriptor): Use bounds-checking also for elemental
        dimensions, i.e. those not handled by the scalarizer.

2023-09-15  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/108957
        * gfortran.h (gfc_symbol): Add comment documenting reference counting.
        * parse.cc (parse_interface): Remove reference count incrementation.

2023-09-12  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/110996
        * gfortran.h (gfc_release_symbol): Set return type to bool.
        * symbol.cc (gfc_release_symbol): Ditto.  Return whether symbol was
        freed.
        (delete_symbol_from_ns): New, outline code from...
        (gfc_restore_last_undo_checkpoint): ... here.  Delete new symbols
        from two more namespaces.

2023-09-09  Mikael Morin  <mikael@gcc.gnu.org>

        * bbt.cc (delete_treap): Add argument REMOVED, set it to the removed
        element from the tree.  Change NULL to nullptr.
        (gfc_delete_bbt): Return the removed element from the tree.
        * gfortran.h (gfc_delete_symtree): Remove prototype.
        (gfc_delete_bbt): Set return type to pointer.
        * symbol.cc (gfc_delete_symtree): Make static.  Get the element to be
        freed from the result of gfc_delete_bbt.  Remove the preliminary walk to
        get it.

2023-09-01  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/31059
        * trans-array.cc (gfc_conv_ss_startstride): For array bounds checking,
        consider also array constructors in expressions, and use their shape.

2023-08-31  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * gfortran.texi: Likewise.

2023-08-30  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/48776
        * gfortran.h (gfc_drop_interface_elements_before): New prototype.
        (gfc_current_interface_head): Return a reference to the pointer.
        * interface.cc (gfc_current_interface_head): Ditto.
        (free_interface_elements_until): New function, generalizing
        gfc_free_interface.
        (gfc_free_interface): Use free_interface_elements_until.
        (gfc_drop_interface_elements_before): New function.
        * parse.cc
        (current_interface_ptr, previous_interface_head): New static variables.
        (current_interface_valid_p, get_current_interface_ptr): New functions.
        (decode_statement): Initialize previous_interface_head.
        (reject_statement): Restore current interface pointer to point to
        previous_interface_head.

2023-08-26  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/92586
        * trans-expr.cc (gfc_trans_arrayfunc_assign): Supply a missing
        dereference for the call to gfc_deallocate_alloc_comp_no_caf.

2023-08-25  Sandra Loosemore  <sandra@codesourcery.com>

        * gfortran.h (struct gfc_namespace): Add omp_structured_block bit.
        * openmp.cc: Include omp-api.h.
        (resolve_omp_clauses): Consolidate inscan reduction clause conflict
        checking here.
        (find_nested_loop_in_chain): New.
        (find_nested_loop_in_block): New.
        (gfc_resolve_omp_do_blocks): Set omp_current_do_collapse properly.
        Handle imperfectly-nested loops when looking for nested omp scan.
        Refactor to move inscan reduction clause conflict checking to
        resolve_omp_clauses.
        (gfc_resolve_do_iterator): Handle imperfectly-nested loops.
        (struct icode_error_state): New.
        (icode_code_error_callback): New.
        (icode_expr_error_callback): New.
        (diagnose_intervening_code_errors_1): New.
        (diagnose_intervening_code_errors): New.
        (make_structured_block): New.
        (restructure_intervening_code): New.
        (is_outer_iteration_variable): Do not assume loops are perfectly
        nested.
        (check_nested_loop_in_chain): New.
        (check_nested_loop_in_block_state): New.
        (check_nested_loop_in_block_symbol): New.
        (check_nested_loop_in_block): New.
        (expr_uses_intervening_var): New.
        (is_intervening_var): New.
        (expr_is_invariant): Do not assume loops are perfectly nested.
        (resolve_omp_do): Handle imperfectly-nested loops.
        * trans-stmt.cc (gfc_trans_block_construct): Generate
        OMP_STRUCTURED_BLOCK if magic bit is set on block namespace.

2023-08-25  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/35095
        * data.cc (get_array_index): Add bounds-checking code and return error
        status.  Overindexing will be allowed as an extension for -std=legacy
        and generate an error in standard-conforming mode.
        (gfc_assign_data_value): Use error status from get_array_index for
        graceful error recovery.

2023-08-25  Uros Bizjak  <ubizjak@gmail.com>

        * match.cc (gfc_match_equivalence): Rename TRUE/FALSE to true/false.
        * module.cc (check_access): Ditto.
        * primary.cc (match_real_constant): Ditto.
        * trans-array.cc (gfc_trans_allocate_array_storage): Ditto.
        (get_array_ctor_strlen): Ditto.
        * trans-common.cc (find_equivalence): Ditto.
        (add_equivalences): Ditto.

2023-08-23  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/32986
        * resolve.cc (is_non_constant_shape_array): Add forward declaration.
        (resolve_common_vars): Diagnose automatic array object in COMMON.
        (resolve_symbol): Prevent confusing follow-on error.

2023-08-22  Tobias Burnus  <tobias@codesourcery.com>

        * gfortran.h (enum gfc_omp_defaultmap_category):
        Add OMP_DEFAULTMAP_CAT_ALL.
        * openmp.cc (gfc_match_omp_clauses): Parse
        'all' as category.
        * trans-openmp.cc (gfc_trans_omp_clauses): Handle it.

2023-08-22  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/49588
        * data.cc (gfc_advance_section): Derive next index set and next offset
        into DATA variable also for array references using vector sections.
        Use auxiliary array to keep track of offsets into indexing vectors.
        (gfc_get_section_index): Set up initial indices also for DATA variables
        with array references using vector sections.
        * data.h (gfc_get_section_index): Adjust prototype.
        (gfc_advance_section): Likewise.
        * resolve.cc (check_data_variable): Pass vector offsets.

2023-08-16  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/110360
        * trans-expr.cc (conv_scalar_char_value): Use gfc_replace_expr to
        avoid leaking replaced gfc_expr.

2023-08-15  Martin Jambor  <mjambor@suse.cz>
            Harald Anlauf  <anlauf@gmx.de>

        PR fortran/110677
        * resolve.cc (resolve_structure_cons): Check comp->ts is character
        type before accessing stuff through comp->ts.u.cl.

2023-08-15  Chung-Lin Tang  <cltang@codesourcery.com>
            Thomas Schwinge  <thomas@codesourcery.com>

        * openmp.cc (OACC_DATA_CLAUSES): Add OMP_CLAUSE_DEFAULT.

2023-08-14  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/110360
        PR fortran/110419
        * trans-types.cc (gfc_sym_type): Use a bare character type for length
        one value character dummy arguments.
        * trans-expr.cc (gfc_conv_string_parameter): Handle single character
        case.
        (gfc_conv_procedure_call): Don't exclude interoperable kinds
        from single character handling.  For single character dummy arguments,
        extend the existing handling of non-constant expressions to constant
        expressions.

2023-08-14  Mikael Morin  <mikael@gcc.gnu.org>

        * gfortran.h (gfc_length_one_character_type_p): New inline
        function.
        * check.cc (is_c_interoperable): Use
        gfc_length_one_character_type_p.
        * decl.cc (verify_bind_c_sym): Same.
        * trans-expr.cc (gfc_conv_procedure_call): Same.

2023-08-09  Steve Kargl  <sgk@troutmask.apl.washington.edu>

        PR fortran/109684
        * resolve.cc (resolve_types): Exclude contained procedures with
        the artificial attribute from test for pureness.

2023-07-31  Chung-Lin Tang  <cltang@codesourcery.com>

        * openmp.cc (resolve_omp_clauses): Add checking requiring
        OpenACC host_data construct to have an use_device clause.

2023-07-28  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/110825
        * gfortran.texi: Clarify argument passing convention.
        * trans-expr.cc (gfc_conv_procedure_call): Do not pass the character
        length as hidden argument when the declared dummy argument is
        assumed-type.

2023-07-27  Tobias Burnus  <tobias@codesourcery.com>

        * openmp.cc (resolve_omp_target): Minor cleanup.
        * parse.cc (decode_omp_directive): Find TARGET statement
        also higher in the stack.

2023-07-26  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/68569
        * resolve.cc (check_data_variable): Do not accept strings with
        deferred length or non-constant length in a DATA statement.
        Reject also substrings of string variables of non-constant length.

2023-07-25  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/110725
        PR middle-end/71065
        * gfortran.h (gfc_omp_clauses): Add target_first_st_is_teams.
        * parse.cc (parse_omp_structured_block): Set it if the first
        statement in the structured block of a TARGET is TEAMS or
        a combined/composite starting with TEAMS.
        * openmp.cc (resolve_omp_target): Also show an error for
        contains_teams_construct without target_first_st_is_teams.

2023-07-24  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/110725
        PR middle-end/71065
        * gfortran.h (gfc_omp_clauses): Add contains_teams_construct.
        * openmp.cc (resolve_omp_target): New; check for teams nesting.
        (gfc_resolve_omp_directive): Call it.
        * parse.cc (decode_omp_directive): Set contains_teams_construct
        on enclosing ST_OMP_TARGET.

2023-07-20  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * trans-intrinsic.cc (conv_intrinsic_ieee_comparison): Only
        define it once.

2023-07-20  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * f95-lang.cc (gfc_init_builtin_functions): Add __builtin_iseqsig.
        * trans-intrinsic.cc (conv_intrinsic_ieee_comparison): New
        function.
        (gfc_conv_ieee_arithmetic_function): Handle IEEE comparisons.

2023-07-19  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/107424
        * trans-openmp.cc (gfc_nonrect_loop_expr): Accept all
        constant loop steps.
        (gfc_trans_omp_do): Likewise; use sign to determine
        loop direction.

2023-07-17  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95947
        PR fortran/110658
        * trans-expr.cc (gfc_conv_procedure_call): For intrinsic procedures
        whose result characteristics depends on the first argument and which
        can be of type character, the character length will not be deferred.

2023-07-17  Tobias Burnus  <tobias@codesoucery.com>
            Chung-Lin Tang  <cltang@codesourcery.com>

        * dump-parse-tree.cc (show_omp_namelist, show_omp_clauses): Dump
        uses_allocators clause.
        * gfortran.h (gfc_free_omp_namelist): Add memspace_sym to u union
        and traits_sym to u2 union.
        (OMP_LIST_USES_ALLOCATORS): New enum value.
        (gfc_free_omp_namelist): Add 'bool free_mem_traits_space' arg.
        * match.cc (gfc_free_omp_namelist): Likewise.
        * openmp.cc (gfc_free_omp_clauses, gfc_match_omp_variable_list,
        gfc_match_omp_to_link, gfc_match_omp_doacross_sink,
        gfc_match_omp_clause_reduction, gfc_match_omp_allocate,
        gfc_match_omp_flush): Update call.
        (gfc_match_omp_clauses): Likewise. Parse uses_allocators clause.
        (gfc_match_omp_clause_uses_allocators): New.
        (enum omp_mask2): Add new OMP_CLAUSE_USES_ALLOCATORS.
        (OMP_TARGET_CLAUSES): Accept it.
        (resolve_omp_clauses): Resolve uses_allocators clause
        * st.cc (gfc_free_statement): Update gfc_free_omp_namelist call.
        * trans-openmp.cc (gfc_trans_omp_clauses): Handle
        OMP_LIST_USES_ALLOCATORS; fail with sorry unless predefined allocator.
        (gfc_split_omp_clauses): Handle uses_allocators.

2023-07-17  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/110618
        * trans.h (gfc_deallocate_with_status): Add class container
        argument.
        (gfc_deallocate_scalar_with_status): Ditto.
        * trans.cc (gfc_deallocate_with_status): Add class container
        argument and pass it down to gfc_add_finalize_call.
        (gfc_deallocate_scalar_with_status): Same.
        * trans-array.cc (structure_alloc_comps): Update caller.
        * trans-stmt.cc (gfc_trans_deallocate): Ditto.
        * trans-expr.cc (gfc_conv_procedure_call): Ditto.  Pass
        pre-evaluated class container argument if it's available.

2023-07-17  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/110618
        * trans.h (gfc_add_finalizer_call): Add class container argument.
        * trans.cc (gfc_add_finalizer_call): Ditto.  Pass down new
        argument to get_final_proc_ref, get_elem_size, get_var_desc,
        and get_vptr.
        (get_elem_size): Add class container argument.
        Use provided class container if it's available.
        (get_var_descr): Same.
        (get_vptr): Same.
        (get_final_proc_ref): Same.  Add boolean telling the class
        container argument is used.  Set it.  Don't try to use
        final_wrapper if class container argument was used.

2023-07-17  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.cc (get_var_descr): Factor scalar descriptor generation.

2023-07-17  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.cc (get_vptr): New function.
        (gfc_add_finalizer_call): Move virtual table pointer evaluation
        to get_vptr.

2023-07-17  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.cc (get_var_descr): Remove argument ts.  Use var->ts
        instead.
        (gfc_add_finalizer_call): Update caller.

2023-07-17  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.cc (gfc_add_finalizer_call): Inline definition of
        variable has_finalizer.  Merge nested conditions.

2023-07-17  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.cc (gfc_add_finalizer_call): Remove local variable
        final_expr.  Pass down expr to get_final_proc_ref and move
        final procedure expression generation down to its one usage
        in get_final_proc_ref.
        (get_final_proc_ref): Add argument expr.  Remove argument
        final_wrapper.  Recreate final_wrapper from expr.

2023-07-17  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.cc (gfc_add_finalizer_call): Remove local variable
        elem_size.  Pass expression to get_elem_size and move the
        element size expression generation close to its usage there.
        (get_elem_size): Add argument expr, remove class_size argument
        and rebuild it from expr.  Remove ts argument and use the
        type of expr instead.

2023-07-17  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.cc (gfc_add_finalizer_call): Move pre and post code for
        the final procedure pointer expression to the outer block.
        Reuse the previously evaluated final procedure pointer
        expression.

2023-07-17  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.cc (gfc_add_finalizer_call): Add post code for desc_se
        after the finalizer call.  Add post code for final_se and
        size_se as well.

2023-07-17  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.cc (gfc_build_final_call): Inline...
        (gfc_add_finalizer_call): ... to its one caller.

2023-07-17  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.cc (get_var_descr): New function.
        (gfc_build_final_call): Outline the data reference descriptor
        evaluation code to get_var_descr.

2023-07-17  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.cc (get_elem_size): New function.
        (gfc_build_final_call): Outline the element size evaluation
        to get_elem_size.

2023-07-17  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.cc (get_final_proc_ref): New function.
        (gfc_build_final_call): Outline the pointer evaluation code
        to get_final_proc_ref.

2023-07-17  Mikael Morin  <mikael@gcc.gnu.org>

        * trans.cc (gfc_build_final_call): Remove commented assertion.

2023-07-14  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/92178
        * trans.h (gfc_reset_vptr): Add class_container argument.
        * trans-expr.cc (gfc_reset_vptr): Ditto.  If a valid vptr can
        be obtained through class_container argument, bypass evaluation
        of e.
        (gfc_conv_procedure_call):  Wrap the argument evaluation code
        in a conditional if the associated dummy is optional.  Evaluate
        the data reference to a pointer now, and replace later
        references with usage of the pointer.

2023-07-14  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/92178
        * trans.h (struct gfc_se): New field class_container.
        (struct gfc_ss_info): Ditto.
        (gfc_evaluate_data_ref_now): New prototype.
        * trans.cc (gfc_evaluate_data_ref_now):  Implement it.
        * trans-array.cc (gfc_conv_ss_descriptor): Copy class_container
        field from gfc_se struct to gfc_ss_info struct.
        (gfc_conv_expr_descriptor): Copy class_container field from
        gfc_ss_info struct to gfc_se struct.
        * trans-expr.cc (gfc_conv_class_to_class): Use class container
        set in class_container field if available.
        (gfc_conv_variable): Set class_container field on encountering
        class variables or components, clear it on encountering
        non-class components.
        (gfc_conv_procedure_call): Evaluate data ref to a pointer now,
        and replace later references by usage of the pointer.

2023-07-14  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/92178
        * trans-expr.cc (gfc_conv_procedure_call): Use a separate gfc_se
        struct, initalized from parmse, to generate the class wrapper.
        After the class wrapper code has been generated, copy it back
        depending on whether parameter deallocation code has been
        generated.

2023-07-13  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/106050
        * symbol.cc (gfc_restore_last_undo_checkpoint): Release symbols
        in reverse order.

2023-07-12  Andre Vehreschild  <vehre@gcc.gnu.org>

        PR fortran/102003
        * expr.cc (find_inquiry_ref): Replace len of pdt_string by
        constant.
        (simplify_ref_chain): Ensure input to find_inquiry_ref is
        NULL.
        (gfc_match_init_expr): Prevent PDT analysis for function calls.
        (gfc_pdt_find_component_copy_initializer): Get the initializer
        value for given component.
        * gfortran.h (gfc_pdt_find_component_copy_initializer): New
        function.
        * simplify.cc (gfc_simplify_len): Replace len() of PDT with pdt
        component ref or constant.

2023-07-11  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/110288
        * symbol.cc (gfc_copy_formal_args_intr): When deriving the formal
        argument attributes from the actual ones for intrinsic procedure
        calls, take special care of CHARACTER arguments that we do not
        wrongly treat them formally as deferred-length.

2023-07-08  Steve Kargl  <sgk@troutmask.apl.washington.edu>

        PR fortran/99139
        PR fortran/99368
        * match.cc (gfc_match_namelist): Check for host associated or
        defined types before applying default type.
        (gfc_match_select_rank): Apply default type to selector of
        unknown type if possible.
        * resolve.cc (resolve_fl_variable): Do not apply local default
        initialization to assumed rank entities.

2023-07-08  Harald Anlauf  <anlauf@gmx.de>
            Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/92178
        * trans-expr.cc (gfc_conv_procedure_call): Check procedures for
        allocatable dummy arguments with INTENT(OUT) and move deallocation
        of actual arguments after evaluation of argument expressions before
        the procedure is executed.

2023-07-08  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/110585
        * arith.cc (gfc_compare_expr): Handle equality comparison of constant
        complex gfc_expr arguments.

2023-07-05  Robin Dapp  <rdapp@ventanamicro.com>
            Juzhe-Zhong  <juzhe.zhong@rivai.ai>

        * trans-types.cc (gfc_type_for_mode): Ditto.

2023-06-28  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/110360
        * trans-expr.cc (gfc_conv_procedure_call): For non-constant string
        argument passed to CHARACTER(LEN=1),VALUE dummy, ensure proper
        dereferencing and truncation of string to length 1.

2023-06-28  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/49213
        * expr.cc (gfc_is_ptr_fcn): Remove reference to class_pointer.
        * resolve.cc (resolve_assoc_var): Call gfc_is_ptr_fcn to allow
        associate names with pointer function targets to be used in
        variable definition context.
        * trans-decl.cc (get_symbol_decl): Remove extraneous line.
        * trans-expr.cc (alloc_scalar_allocatable_subcomponent): Obtain
        size of intrinsic and character expressions.
        (gfc_trans_subcomponent_assign): Expand assignment to class
        components to include intrinsic and character expressions.

2023-06-24  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/110360
        * trans-expr.cc (gfc_conv_procedure_call): Truncate constant string
        argument of length > 1 passed to scalar CHARACTER(1),VALUE dummy.

2023-06-23  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/110360
        * trans-expr.cc (gfc_conv_procedure_call): Pass actual argument
        to scalar CHARACTER(1),VALUE dummy argument by value.

2023-06-21  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/87477
        PR fortran/88688
        PR fortran/94380
        PR fortran/107900
        PR fortran/110224
        * decl.cc (char_len_param_value): Fix memory leak.
        (resolve_block_construct): Remove unnecessary static decls.
        * expr.cc (gfc_is_ptr_fcn): New function.
        (gfc_check_vardef_context): Use it to permit pointer function
        result selectors to be used for associate names in variable
        definition context.
        * gfortran.h: Prototype for gfc_is_ptr_fcn.
        * match.cc (build_associate_name): New function.
        (gfc_match_select_type): Use the new function to replace inline
        version and to build a new associate name for the case where
        the supplied associate name is already used for that purpose.
        * resolve.cc (resolve_assoc_var): Call gfc_is_ptr_fcn to allow
        associate names with pointer function targets to be used in
        variable definition context.
        * trans-decl.cc (gfc_get_symbol_decl): Unlimited polymorphic
        variables need deferred initialisation of the vptr.
        (gfc_trans_deferred_vars): Do the vptr initialisation.
        * trans-stmt.cc (trans_associate_var): Ensure that a pointer
        associate name points to the target of the selector and not
        the selector itself.

2023-06-21  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/108961
        * trans-expr.cc (gfc_conv_procedure_call): The hidden string
        length must not be passed to a formal arg of type(cptr).

2023-06-20  Tobias Burnus  <tobias@codesourcery.com>

        * dump-parse-tree.cc (show_omp_namelist): Fix dump of the allocator
        modifier of OMP_LIST_ALLOCATE.

2023-06-20  Tobias Burnus  <tobias@codesourcery.com>

        * match.cc (gfc_match_char): Match with '%S' a symbol
        with host_assoc = 1.

2023-06-19  Tobias Burnus  <tobias@codesourcery.com>

        * intrinsic.texi (OpenMP Modules OMP_LIB and OMP_LIB_KINDS): Also
        add references to the OpenMP 5.1 and 5.2 spec; add omp_initial_device
        and omp_invalid_device named constants.

2023-06-13  Harald Anlauf  <anlauf@gmx.de>
            Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/86277
        * trans-array.cc (gfc_trans_allocate_array_storage): When passing a
        zero-sized array with fixed (= non-dynamic) size, allocate temporary
        by the caller, not by the callee.

2023-06-10  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * f95-lang.cc (gfc_init_builtin_functions): Add fmax() and
        fmin() built-ins, and their variants.
        * mathbuiltins.def: Add FMAX and FMIN built-ins.
        * trans-intrinsic.cc (conv_intrinsic_ieee_minmax): New function.
        (gfc_conv_ieee_arithmetic_function): Handle IEEE_MIN_NUM and
        IEEE_MAX_NUM functions.

2023-06-09  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/96024
        * primary.cc (gfc_convert_to_structure_constructor): Only do
        constant string ctor length verification and truncation/padding
        if constant length has INTEGER type.

2023-06-08  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/87477
        PR fortran/99350
        PR fortran/107821
        PR fortran/109451
        * decl.cc (char_len_param_value): Simplify a copy of the expr
        and replace the original if there is no error.
        * gfortran.h : Remove the redundant field 'rankguessed' from
        'gfc_association_list'.
        * resolve.cc (resolve_assoc_var): Remove refs to 'rankguessed'.
        (resolve_variable): Associate names with constant or structure
        constructor targets cannot have array refs.
        * trans-array.cc (gfc_conv_expr_descriptor): Guard expression
        character length backend decl before using it. Suppress the
        assignment if lhs equals rhs.
        * trans-io.cc (gfc_trans_transfer): Scalarize transfer of
        associate variables pointing to a variable. Add comment.
        * trans-stmt.cc (trans_associate_var): Remove requirement that
        the character length be deferred before assigning the value
        returned by gfc_conv_expr_descriptor. Also, guard the backend
        decl before testing with VAR_P.

2023-06-06  Kwok Cheung Yeung  <kcy@codesourcery.com>
            Tobias Burnus  <tobias@codesourcery.com>

        * dump-parse-tree.cc (show_omp_namelist): Display 'present' map
        modifier.
        (show_omp_clauses): Display 'present' motion modifier for 'to'
        and 'from' clauses.
        * gfortran.h (enum gfc_omp_map_op): Add entries with 'present'
        modifiers.
        (struct gfc_omp_namelist): Add 'present_modifer'.
        * openmp.cc (gfc_match_motion_var_list): New, handles optional
        'present' modifier for to/from clauses.
        (gfc_match_omp_clauses): Call it for to/from clauses; parse 'present'
        in defaultmap and map clauses.
        (resolve_omp_clauses): Allow 'present' modifiers on 'target',
        'target data', 'target enter' and 'target exit' directives.
        * trans-openmp.cc (gfc_trans_omp_clauses): Apply 'present' modifiers
        to tree node for 'map', 'to' and 'from' clauses.  Apply 'present' for
        defaultmap.

2023-06-02  Steve Kargl  <kargl@gcc.gnu.org>

        PR fortran/100607
        * resolve.cc (resolve_select_rank): Remove duplicate error.
        (resolve_fl_var_and_proc): Prevent NULL pointer dereference and
        suppress error message for temporary.

2023-06-02  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/87477
        * parse.cc (parse_associate): Replace the existing evaluation
        of the target rank with calls to gfc_resolve_ref and
        gfc_expression_rank. Identify untyped target function results
        with structure constructors by finding the appropriate derived
        type.
        * resolve.cc (resolve_symbol): Allow associate variables to be
        assumed shape.

2023-06-01  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/88552
        * decl.cc (gfc_match_kind_spec): Use error path on missing right
        parenthesis.
        (gfc_match_decl_type_spec): Use error return when an error occurred
        during matching a KIND specifier.

2023-06-01  Tobias Burnus  <tobias@codesourcery.com>

        * parse.cc (decode_omp_directive): Accept all pure directives
        inside a PURE procedures; handle 'error at(execution).

2023-05-26  Tobias Burnus  <tobias@codesourcery.com>

        * dump-parse-tree.cc (show_omp_namelist): Update allocator, fix
        align dump.
        (show_omp_node, show_code_node): Handle EXEC_OMP_ALLOCATE.
        * gfortran.h (enum gfc_statement): Add ST_OMP_ALLOCATE and ..._EXEC.
        (enum gfc_exec_op): Add EXEC_OMP_ALLOCATE.
        (struct gfc_omp_namelist): Add 'allocator' to 'u2' union.
        (struct gfc_namespace): Add omp_allocate.
        (gfc_resolve_omp_allocate): New.
        * match.cc (gfc_free_omp_namelist): Free 'u2.allocator'.
        * match.h (gfc_match_omp_allocate, gfc_match_omp_allocators): New.
        * openmp.cc (gfc_omp_directives): Uncomment allocate/allocators.
        (gfc_match_omp_variable_list): Add bool arg for
        rejecting listening common-block vars separately.
        (gfc_match_omp_clauses): Update for u2.allocators.
        (OMP_ALLOCATORS_CLAUSES, gfc_match_omp_allocate,
        gfc_match_omp_allocators, is_predefined_allocator,
        gfc_resolve_omp_allocate): New.
        (resolve_omp_clauses): Update 'allocate' clause checks.
        (omp_code_to_statement, gfc_resolve_omp_directive): Handle
        OMP ALLOCATE/ALLOCATORS.
        * parse.cc (in_exec_part): New global var.
        (check_omp_allocate_stmt, parse_openmp_allocate_block): New.
        (decode_omp_directive, case_exec_markers, case_omp_decl,
        gfc_ascii_statement, parse_omp_structured_block): Handle
        OMP allocate/allocators.
        (verify_st_order, parse_executable): Set in_exec_part.
        * resolve.cc (gfc_resolve_blocks, resolve_codes): Handle
        allocate/allocators.
        * st.cc (gfc_free_statement): Likewise.
        * trans.cc (trans_code): Likewise.
        * trans-openmp.cc (gfc_trans_omp_directive): Likewise.
        (gfc_trans_omp_clauses, gfc_split_omp_clauses): Update for
        u2.allocator, fix for u.align.

2023-05-24  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/104350
        * simplify.cc (simplify_size): Reject DIM argument of intrinsic SIZE
        with error when out of valid range.

2023-05-24  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/103794
        * check.cc (gfc_check_reshape): Expand constant arguments SHAPE and
        ORDER before checking.
        * gfortran.h (gfc_is_constant_array_expr): Add prototype.
        * iresolve.cc (gfc_resolve_reshape): Expand constant argument SHAPE.
        * simplify.cc (is_constant_array_expr): If array is determined to be
        constant, expand small array constructors if needed.
        (gfc_is_constant_array_expr): Wrapper for is_constant_array_expr.
        (gfc_simplify_reshape): Fix check for insufficient elements in SOURCE
        when no padding specified.

2023-05-23  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/103716
        * resolve.cc (gfc_resolve_ref): Conversion of array_ref into an
        element should be done for all characters without a len expr,
        not just deferred lens, and for integer expressions.
        * trans-expr.cc (conv_inquiry): For len and kind inquiry refs,
        set the se string_length to NULL_TREE.

2023-05-23  Paul Thomas  <pault@gcc.gnu.org>
            Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/97122
        * decl.cc (variable_decl): Clean up white space issues.
        (gfc_match_final_decl): Declaration of finalizable derived type
        is allowed in a submodule.

2023-05-19  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * expr.cc (gfc_get_corank): Use CLASS_DATA from gfortran.h.
        * resolve.cc (resolve_component): Same.
        (resolve_fl_derived0): Same.
        * simplify.cc (gfc_simplify_extends_type_of): Same.
        (simplify_cobound): Same.

2023-05-18  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * trans-array.cc (is_pointer_array): Use _P() defines from tree.h.
        (gfc_conv_scalarized_array_ref): Ditto.
        (gfc_conv_array_ref): Ditto.
        * trans-decl.cc (gfc_finish_decl): Ditto.
        (gfc_get_symbol_decl): Ditto.
        * trans-expr.cc (gfc_trans_pointer_assignment): Ditto.
        (gfc_trans_arrayfunc_assign): Ditto.
        (gfc_trans_assignment_1): Ditto.
        * trans-intrinsic.cc (gfc_conv_intrinsic_minmax): Ditto.
        (conv_intrinsic_ieee_value): Ditto.
        * trans-io.cc (gfc_convert_array_to_string): Ditto.
        * trans-openmp.cc (gfc_omp_is_optional_argument): Ditto.
        (gfc_trans_omp_clauses): Ditto.
        * trans-stmt.cc (gfc_conv_label_variable): Ditto.
        * trans.cc (gfc_build_addr_expr): Ditto.
        (get_array_span): Ditto.

2023-05-18  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        PR fortran/78798
        * array.cc (compare_bounds): Use narrower return type.
        (gfc_compare_array_spec): Likewise.
        (is_constant_element): Likewise.
        (gfc_constant_ac): Likewise.
        * check.cc (dim_rank_check): Likewise.
        * cpp.cc (gfc_cpp_init_options): Likewise.
        (dump_macro): Likewise.
        * cpp.h (gfc_cpp_handle_option): Likewise.
        * dependency.cc (gfc_ref_needs_temporary_p): Likewise.
        (gfc_check_argument_dependency): Likewise.
        (gfc_check_fncall_dependency): Likewise.
        (ref_same_as_full_array): Likewise.
        * dependency.h (gfc_check_fncall_dependency): Likewise.
        (gfc_dep_resolver): Likewise.
        (gfc_are_equivalenced_arrays): Likewise.
        * expr.cc (gfc_copy_ref): Likewise.
        (gfc_kind_max): Likewise.
        (numeric_type): Likewise.
        * gfortran.h (gfc_at_end): Likewise.
        (gfc_at_eof): Likewise.
        (gfc_at_bol): Likewise.
        (gfc_at_eol): Likewise.
        (gfc_define_undef_line): Likewise.
        (gfc_wide_is_printable): Likewise.
        (gfc_wide_is_digit): Likewise.
        (gfc_wide_fits_in_byte): Likewise.
        (gfc_find_sym_tree): Likewise.
        (gfc_generic_intrinsic): Likewise.
        (gfc_specific_intrinsic): Likewise.
        (gfc_intrinsic_actual_ok): Likewise.
        (gfc_has_vector_index): Likewise.
        (gfc_numeric_ts): Likewise.
        (gfc_impure_variable): Likewise.
        (gfc_pure): Likewise.
        (gfc_implicit_pure): Likewise.
        (gfc_elemental): Likewise.
        (gfc_pure_function): Likewise.
        (gfc_implicit_pure_function): Likewise.
        (gfc_compare_array_spec): Likewise.
        (gfc_constant_ac): Likewise.
        (gfc_expanded_ac): Likewise.
        (gfc_check_digit): Likewise.
        * intrinsic.cc (gfc_find_subroutine): Likewise.
        (gfc_generic_intrinsic): Likewise.
        (gfc_specific_intrinsic): Likewise.
        * io.cc (compare_to_allowed_values): Likewise. And remove
        unneeded forward declaration.
        * parse.cc: Likewise.
        * parse.h (gfc_check_do_variable): Likewise.
        * primary.cc (gfc_check_digit): Likewise.
        * resolve.cc (resolve_structure_cons): Likewise.
        (pure_stmt_function): Likewise.
        (gfc_pure_function): Likewise.
        (impure_stmt_fcn): Likewise.
        (resolve_forall_iterators): Likewise.
        (resolve_data): Likewise.
        (gfc_impure_variable): Likewise.
        (gfc_pure): Likewise.
        (gfc_unset_implicit_pure): Likewise.
        * scanner.cc (wide_is_ascii): Likewise.
        (gfc_wide_toupper): Likewise.
        (gfc_open_included_file): Likewise.
        (gfc_at_end): Likewise.
        (gfc_at_eof): Likewise.
        (gfc_at_bol): Likewise.
        (skip_comment_line): Likewise.
        (gfc_gobble_whitespace): Likewise.
        * symbol.cc (gfc_find_symtree_in_proc): Likewise.
        * trans-array.cc: Likewise.
        * trans-decl.cc (gfc_set_decl_assembler_name): Likewise.
        * trans-types.cc (gfc_get_element_type): Likewise.
        (gfc_add_field_to_struct): Likewise.
        * trans-types.h (gfc_copy_dt_decls_ifequal): Likewise.
        (gfc_return_by_reference): Likewise.
        (gfc_is_nodesc_array): Likewise.
        * trans.h (gfc_can_put_var_on_stack): Likewise.

2023-05-17  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95374
        PR fortran/104352
        * decl.cc (add_init_expr_to_sym): Set shape of initializer also for
        zero-sized arrays, so that bounds violations can be detected later.

2023-05-17  Tobias Burnus  <tobias@codesourcery.com>

        * trans-decl.cc (gfc_get_symbol_decl): Add attributes
        such as 'declare target' also to hidden artificial
        variable for deferred-length character variables.
        * trans-openmp.cc (gfc_trans_omp_array_section,
        gfc_trans_omp_clauses, gfc_trans_omp_target_exit_data):
        Improve mapping of array descriptors and deferred-length
        string variables.

2023-05-16  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/105152
        PR fortran/100193
        PR fortran/87496
        PR fortran/103389
        PR fortran/104429
        PR fortran/82774
        * interface.cc (gfc_compare_actual_formal): Emit an error if an
        unlimited polymorphic actual is not matched either to an
        unlimited or assumed type formal argument.
        * resolve.cc (resolve_ordinary_assign): Emit an error if the
        var expression of an ordinary assignment is a proc pointer
        component.
        * trans-array.cc (gfc_walk_array_ref): Provide assumed shape
        arrays coming from interface mapping with a viable arrayspec.
        * trans-expr.cc (gfc_conv_intrinsic_to_class): Tidy up flagging
        of unlimited polymorphic 'class_ts'.
        (gfc_conv_gfc_desc_to_cfi_desc): Assumed type is unlimited
        polymorphic and should accept any actual type.
        (gfc_conv_procedure_call): Replace dreadful kludge with a call
        to gfc_finalize_tree_expr. Avoid dereferencing a void pointer
        by giving it the pointer type of the actual argument.
        (alloc_scalar_allocatable_subcomponent): Shorten the function
        name and replace the symbol argument with the se string length.
        If a deferred length character length is either not present or
        is not a variable, give the typespec a variable and assign the
        string length to that. Use gfc_deferred_strlen to find the
        hidden string length component.
        (gfc_trans_subcomponent_assign): Convert the expression before
        the call to alloc_scalar_allocatable_subcomponent so that a
        good string length is provided.
        (gfc_trans_structure_assign): Remove the unneeded derived type
        symbol from calls to gfc_trans_subcomponent_assign.

2023-05-15  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/109846
        * expr.cc (gfc_check_vardef_context): Check appropriate pointer
        attribute for CLASS vs. non-CLASS function result in variable
        definition context.

2023-05-11  Xi Ruoyao  <xry111@xry111.site>

        * Make-lang.in: Use grep instead of fgrep.

2023-05-10  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * dump-parse-tree.cc (gfc_debug_expr): Remove forward declaration.
        (debug): Add DEBUG_FUNCTION.
        (show_code_node): Remove erroneous whitespace.

2023-05-10  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        PR fortran/109624
        * dump-parse-tree.cc (debug): New function for gfc_namespace.
        (gfc_debug_code): Delete forward declaration.
        (show_attr): Make sure to print balanced braces.

2023-05-08  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * resolve.cc (resolve_select_type): Fix coding style.

2023-05-08  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * resolve.cc (resolve_select_type): Call free() unconditionally.

2023-05-08  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        PR fortran/68800
        * expr.cc (find_array_section): Fix mpz memory leak.
        * simplify.cc (gfc_simplify_reshape): Fix mpz memory leaks in
        error paths.

2023-05-05  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/109641
        * arith.cc (eval_intrinsic): Check conformability of ranks of operands
        for intrinsic binary operators before performing type conversions.
        * gfortran.h (gfc_op_rank_conformable): Add prototype.
        * resolve.cc (resolve_operator): Check conformability of ranks of
        operands for intrinsic binary operators before performing type
        conversions.
        (gfc_op_rank_conformable): New helper function to compare ranks of
        operands of binary operator.

2023-05-04  Julian Brown  <julian@codesourcery.com>

        PR fortran/109622
        * openmp.cc (resolve_omp_clauses): Add diagnostic for
        non-pointer/non-allocatable attach/detach.
        * trans-openmp.cc (gfc_trans_omp_clauses): Remove dereference for
        pointer-to-scalar derived type component attach/detach.  Fix
        attach/detach handling for descriptors.

2023-04-28  Julian Brown  <julian@codesourcery.com>

        PR fortran/109622
        * trans-openmp.cc (gfc_trans_omp_clauses): Attach/detach clause fixes.

2023-04-28  Tobias Burnus  <tobias@codesourcery.com>

        * gfortran.texi: Fix typos.
        * decl.cc: Fix typos in comments and in a variable name.
        * arith.cc: Fix comment typos.
        * check.cc: Likewise.
        * class.cc: Likewise.
        * dependency.cc: Likewise.
        * expr.cc: Likewise.
        * frontend-passes.cc: Likewise.
        * gfortran.h: Likewise.
        * intrinsic.cc: Likewise.
        * iresolve.cc: Likewise.
        * match.cc: Likewise.
        * module.cc: Likewise.
        * primary.cc: Likewise.
        * resolve.cc: Likewise.
        * simplify.cc: Likewise.
        * trans-array.cc: Likewise.
        * trans-decl.cc: Likewise.
        * trans-expr.cc: Likewise.
        * trans-intrinsic.cc: Likewise.
        * trans-openmp.cc: Likewise.
        * trans-stmt.cc: Likewise.

2023-04-25  Tobias Burnus  <tobias@codesourcery.com>

        * openmp.cc (gfc_resolve_omp_do_blocks): Handle zero
        or more than one exec statements before/after 'omp scan'.
        * trans-openmp.cc (gfc_trans_omp_do): Likewise.

2023-04-22  Harald Anlauf  <anlauf@gmx.de>
            Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/109500
        * interface.cc (gfc_compare_actual_formal): Reject allocatable
        functions being used as actual argument for allocable dummy.

2023-04-14  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/109511
        * simplify.cc (gfc_simplify_set_exponent): Fix implementation of
        compile-time simplification of intrinsic SET_EXPONENT for argument
        X < 1 and for I < 0.

2023-04-14  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/104272
        * gfortran.h : Add expr3_not_explicit bit field to gfc_code.
        * resolve.cc (resolve_allocate_expr): Set bit field when the
        default initializer is applied to expr3.
        * trans-stmt.cc (gfc_trans_allocate): If expr3_not_explicit is
        set, do not deallocate expr3.

2023-04-13  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/109492
        * trans-expr.cc (gfc_conv_power_op): Use absu_hwi and
        unsigned HOST_WIDE_INT for portability.

2023-04-12  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/104312
        * resolve.cc (resolve_entries): Handle functions with ENTRY and
        ALLOCATABLE results.
        * trans-expr.cc (gfc_conv_procedure_call): Functions with a result
        with the POINTER or ALLOCATABLE attribute shall not get any special
        treatment with -ff2c, as they cannot be written in Fortran 77.
        * trans-types.cc (gfc_return_by_reference): Likewise.
        (gfc_get_function_type): Likewise.

2023-04-12  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/61615
        PR fortran/99982
        * interface.cc (compare_parameter): Enable type and rank checks for
        arguments of derived type from the intrinsic module ISO_C_BINDING.

2023-04-08  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/87477
        * iresolve.cc (gfc_resolve_adjustl, gfc_resolve_adjustr): if
        string length is deferred use the string typespec for result.
        * resolve.cc (resolve_assoc_var): Handle parentheses around the
        target expression.
        (resolve_block_construct): Remove unnecessary static decls.
        * trans-array.cc (gfc_conv_expr_descriptor): Guard string len
        expression in condition. Improve handling of string length and
        span, especially for substrings of the descriptor.
        (duplicate_allocatable): Make element type more explicit with
        'eltype'.
        * trans-decl.cc (gfc_get_symbol_decl): Emit a fatal error with
        appropriate message instead of ICE if symbol type is unknown.
        (gfc_generate_function_code): Set current locus to proc_sym
        declared_at.
        * trans-expr.cc (gfc_get_expr_charlen): Retain last charlen in
        'previous' and use if end expression in substring reference is
        null.
        (gfc_conv_string_length): Use gfc_conv_expr_descriptor if
        'expr_flat' is an array. Add post block to catch deallocation
        of temporaries.
        (gfc_conv_procedure_call): Assign the parmse string length to
        the expression string length, if it is deferred.
        (gfc_trans_alloc_subarray_assign): If this is a deferred string
        length component, store the string length in the hidden comp.
        Update the typespec length accordingly. Generate a new type
        spec for the call to gfc_duplicate-allocatable in this case.
        * trans-io.cc (gfc_trans_transfer): Scalarize transfer of
        deferred character array components.

2023-04-04  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/104349
        * expr.cc (check_restricted): Adjust check for valid variables in
        restricted expressions: make no exception for module variables.

2023-04-01  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * dump-parse-tree.cc (get_c_type_name): Fix "long_long"
        type name to be "long long".

2023-03-30  Andrew Pinski  <apinski@marvell.com>

        * dump-parse-tree.cc (get_c_type_name): Fix "long_long"
        type name to be "long long". Add a comment on why adding
        2 to the name too.

2023-03-28  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/109314
        * openmp.cc (gfc_omp_absent_contains_clause): Fix typo in diagnostics
        - composit -> composite.

2023-03-25  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/104321
        * trans-decl.cc (gfc_conv_cfi_to_gfc): Remove dead code.

2023-03-24  Harald Anlauf  <anlauf@gmx.de>

        * expr.cc (free_expr0): Free also BOZ strings as part of an expression.

2023-03-24  Haochen Gui  <guihaoc@gcc.gnu.org>
            Tobias Burnus  <tobias@codesourcery.com>

        PR target/103628
        * target-memory.cc (gfc_interpret_float): Return FAIL when
        native_interpret_expr gets a NULL tree.
        * arith.cc (gfc_hollerith2real): Return NULL when
        gfc_interpret_float fails.
        * error.cc (gfc_buffered_p): Define.
        * gfortran.h (gfc_buffered_p): Declare.
        * intrinsic.cc: Add diagnostic.h to include list.
        (do_simplify): Save errorcount and check it at finish.  Report a
        "Cannot simplify expression" error on a bad result if error count
        doesn't change and no other errors buffered.

2023-03-22  Harald Anlauf  <anlauf@gmx.de>
            Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/104572
        * resolve.cc (gfc_resolve_finalizers): Argument of a FINAL subroutine
        cannot be an alternate return.

2023-03-21  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/99036
        * decl.cc (gfc_match_modproc): Reject MODULE PROCEDURE if not in a
        generic module interface.

2023-03-21  Arsen Arsenović  <arsen@aarsen.me>

        * invoke.texi: Remove usages of @gol.
        * intrinsic.texi: Ditto.

2023-03-21  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/109206
        * trans-array.cc (gfc_trans_array_constructor_value): Correct
        incorrect setting of typespec.

2023-03-21  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/109209
        * resolve.cc (generate_component_assignments): Restore the
        exclusion of allocatable components from the loop.

2023-03-20  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/109216
        * invoke.texi: Correct documentation of how underscores are appended
        to external names.

2023-03-20  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/109186
        * simplify.cc (gfc_simplify_nearest): Fix off-by-one error in setting
        up real kind-specific maximum exponent for mpfr.

2023-03-20  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/87127
        * resolve.cc (check_host_association): If an external function
        is typed but not declared explicitly to be external, change the
        old symbol from a variable to an external function.

2023-03-19  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/85877
        * resolve.cc (resolve_fl_procedure): Check for an explicit interface
        of procedures with the BIND(C) attribute (F2018:15.4.2.2).

2023-03-19  Thomas Koenig  <tkoenig@gcc.gnu.org>

        * gfortran.texi: Mention behavior on overflow.

2023-03-18  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/103854
        PR fortran/96122
        PR fortran/37336
        * class.cc (finalize_component): Include the missing arguments
        in the call to the component's finalizer wrapper.
        (has_finalizer_component): Do not return true for procedure
        pointer components.
        (finalizer_insert_packed_call): Remove the redundant argument
        in the call to the final subroutine.
        (generate_finalization_wrapper): Add support for assumed rank
        finalizers.
        (gfc_may_be_finalized): New helper function.
        * dump-parse-tree.cc (write_proc): Whitespace.
        * gfortran.h : Add prototype for gfc_may_be_finalized.
        * resolve.cc (resolve_function): Correct derived types that
        have an incomplete namespace.
        (resolve_where, gfc_resolve_where_code_in_forall,
        gfc_resolve_forall_body, gfc_resolve_code): Check that the op
        code is still EXEC_ASSIGN. If it is set lhs to must finalize.
        (is_finalizable_type): New function.
        (generate_component_assignments): Set must_finalize if needed.
        (gfc_resolve_finalizers): Error if assumed rank finalizer is
        not the only one. Warning on lack of scalar finalizer modified
        to account for assumed rank finalizers.
        (generate_final_call): New function.
        (generate_component_assignments): Enclose the outermost call in
        a block to capture automatic deallocation and final calls.
        Set must_finalize as required to satisfy the standards. Use an
        explicit pointer assignment for pointer components to capture
        finalization of the target. Likewise use explicit assignment
        for allocatable components. Do not use the temporary copy of
        the lhs in defined assignment if the component is allocatable.
        Put the temporary in the same namespace as the lhs symbol if
        the component may be finalized. Remove the leading assignment
        from the expansion of assignment of components that have their
        own defined assignment components. Suppress finalization of
        assignment of temporary components to the lhs. Make an explicit
        final call for the rhs function temporary if it exists.
        (gfc_resolve_code): Set must_finalize for assignments with an
        array constructor on the rhs.
        (gfc_resolve_finalizers): Ensure that an assumed rank finalizer
        is the only finalizer for that type and correct the surprising
        warning for the lack of a scalar finalizer.
        (check_defined_assignments): Handle allocatable components.
        (resolve_fl_derived): Set referenced the vtab for use
        associated symbols.
        (resolve_symbol): Set referenced an unreferenced symbol that
        will be finalized.
        * trans-array.cc (gfc_trans_array_constructor_value): Add code
        to finalize the constructor result. Warn that this feature was
        removed in F2018 and that it is suppressed by -std=2018.
        (trans_array_constructor): Add finalblock, pass to previous
        and apply to loop->post if filled.
        (gfc_add_loop_ss_code): Add se finalblock to outer loop post.
        (gfc_trans_array_cobounds, gfc_trans_array_bounds): Add any
        generated finalization code to the main block.
        (structure_alloc_comps): Add boolean argument to suppress
        finalization and use it for calls from
        gfc_deallocate_alloc_comp_no_caf. Otherwise it defaults to
        false.
        (gfc_copy_alloc_comp_no_fini): New wrapper for
        structure_alloc_comps.
        (gfc_alloc_allocatable_for_assignment): Suppress finalization
        by setting new arg in call to gfc_deallocate_alloc_comp_no_caf.
        (gfc_trans_deferred_array): Use gfc_may_be_finalized and do not
        deallocate the components of entities with a leading '_' in the
        name that are also marked as artificial.
        * trans-array.h : Add the new boolean argument to the prototype
        of gfc_deallocate_alloc_comp_no_caf with a default of false.
        Add prototype for gfc_copy_alloc_comp_no_fini.
        * trans-decl.cc(init_intent_out_dt): Tidy up the code.
        * trans-expr.cc (gfc_init_se): Initialize finalblock.
        (gfc_conv_procedure_call): Use gfc_finalize_tree_expr to
        finalize function results. Replace in-line block for class
        results with call to new function.
        (gfc_conv_expr): Finalize structure constructors for F2003 and
        F2008. Warn that this feature was deleted in F2018 and, unlike
        array constructors, is not default. Add array constructor
        finalblock to the post block.
        (gfc_trans_scalar_assign): Suppress finalization by setting new
        argument in call to gfc_deallocate_alloc_comp_no_caf. Add the
        finalization blocks to the main block.
        (gfc_trans_arrayfunc_assign): Use gfc_assignment_finalizer_call
        and ensure that finalization occurs after the evaluation of the
        rhs but using the initial value for the lhs. Finalize rhs
        function results using gfc_finalize_tree_expr.
        (trans_class_assignment, gfc_trans_assignment_1): As previous
        function, taking care to order evaluation, assignment and
        finalization correctly.
        * trans-io.cc (gfc_trans_transfer): Add the final block.
        * trans-stmt.cc (gfc_trans_call, gfc_trans_allocate): likewise.
        (trans_associate_var): Nullify derived allocatable components
        and finalize function targets with defined assignment
        components on leaving the block scope.
        (trans_allocate): Finalize source expressions, if required,
        and set init_expr artificial temporarily to suppress the
        finalization in gfc_trans_assignment.
        * trans.cc (gfc_add_finalizer_call): Do not finalize the
        temporaries generated in type assignment with defined
        assignment components.
        (gfc_assignment_finalizer_call): New function.
        (gfc_finalize_tree_expr): New function.
        * trans.h: Add finalblock to gfc_se. Add the prototypes for
        gfc_finalize_tree_expr and gfc_assignment_finalizer_call.

2023-03-15  Harald Anlauf  <anlauf@gmx.de>
            Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/58331
        * interface.cc (compare_parameter): Adjust check of array dummy
        arguments to handle the case of CLASS variables.

2023-03-11  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/106945
        * trans-expr.cc (gfc_copy_class_to_class): Convert element counts in
        bounds check to common type for comparison.

2023-03-10  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/104332
        * resolve.cc (resolve_symbol): Avoid NULL pointer dereference while
        checking a symbol with the BIND(C) attribute.

2023-03-05  Harald Anlauf  <anlauf@gmx.de>
            Tobias Burnus   <tobias@codesourcery.com>

        PR fortran/106856
        * class.cc (gfc_build_class_symbol): Handle update of attributes of
        existing class container.
        (gfc_find_derived_vtab): Fix several memory leaks.
        (find_intrinsic_vtab): Ditto.
        * decl.cc (attr_decl1): Manage update of symbol attributes from
        CLASS attributes.
        * primary.cc (gfc_variable_attr): OPTIONAL shall not be taken or
        updated from the class container.
        * symbol.cc (free_old_symbol): Adjust management of symbol versions
        to not prematurely free array specs while working on the declation
        of CLASS variables.

2023-03-01  Tobias Burnus  <tobias@codesourcery.com>

        PR middle-end/108546
        * trans-openmp.cc (gfc_trans_omp_clauses): Fix mapping of
        type(C_ptr) variables.

2023-02-27  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/108937
        * trans-intrinsic.cc (gfc_conv_intrinsic_ibits): Handle corner case
        LEN argument of IBITS equal to BITSIZE(I).

2023-02-25  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/108923
        * intrinsic.cc (get_intrinsic_dummy_arg,
        set_intrinsic_dummy_arg): Rename the former to the latter.
        Remove the return value, add a reference to the lhs as argument,
        and do the pointer assignment inside the function.  Don't do
        it if the pointer is already non-NULL.
        (sort_actual): Update caller.

2023-02-25  Harald Anlauf  <anlauf@gmx.de>

        * arith.cc (gfc_real2int): Clear mpfr variable after use.

2023-02-25  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/108621
        * trans-expr.cc (gfc_conv_gfc_desc_to_cfi_desc): Skip setting of
        bounds of CFI desc for 'pointer,intent(out)'.

2023-02-24  Rimvydas Jasinskas  <rimvydas.jas@gmail.com>

        * trans-decl.cc (gfc_finish_var_decl): Apply attribute.
        (generate_local_decl): Add diagnostic for dummy and local variables.

2023-02-24  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/108923
        * expr.cc (gfc_free_actual_arglist): Free associated_dummy
        memory.
        (gfc_copy_actual_arglist): Make a copy of the associated_dummy
        field if it is set in the original element.

2023-02-24  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/108924
        * frontend-passes.cc (do_subscript): Clear used gmp variable.

2023-02-23  Arsen Arsenović  <arsen@aarsen.me>

        * invoke.texi: Reorder index entries around @items.

2023-02-23  Arsen Arsenović  <arsen@aarsen.me>

        * invoke.texi: Reorder @opindex commands to precede @items they
        relate to.

2023-02-22  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/96024
        * resolve.cc (resolve_component): The type of a CHARACTER length
        expression must be INTEGER.

2023-02-21  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/96025
        * parse.cc (check_function_result_typed): Improve type check of
        specification expression for character length and return status.
        (parse_spec): Use status from above.
        * resolve.cc (resolve_fntype): Prevent use of invalid specification
        expression for character length.

2023-02-16  Patrick Palka  <ppalka@redhat.com>

        * gfortran.h: Mechanically drop static from static inline
        functions via s/^static inline/inline/g.

2023-02-15  Steve Kargl  <kargl@gcc.gnu.org>

        PR fortran/103608
        * frontend-passes.cc (do_intent): Catch NULL pointer dereference on
        reference to invalid formal argument.

2023-02-15  Steve Kargl  <kargl@gcc.gnu.org>

        PR fortran/104554
        * resolve.cc (check_assumed_size_reference): Avoid NULL pointer
        dereference.

2023-02-15  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/108512
        * openmp.cc (gfc_resolve_omp_parallel_blocks): Handle combined 'loop'
        directives.
        (gfc_resolve_do_iterator): Set a source location for added
        'private'-clause arguments.
        * resolve.cc (gfc_resolve_code): Call gfc_resolve_omp_do_blocks
        also for EXEC_OMP_LOOP and gfc_resolve_omp_parallel_blocks for
        combined directives with loop + '{masked,master} taskloop (simd)'.

2023-02-13  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/103475
        * primary.cc (gfc_expr_attr): Avoid NULL pointer dereference for
        invalid use of CLASS variable.

2023-02-13  Rimvydas Jasinskas  <rimvydas.jas@gmail.com>

        * decl.cc: Add EXT_ATTR_NOINLINE, EXT_ATTR_NORETURN, EXT_ATTR_WEAK.
        * gfortran.h (ext_attr_id_t): Ditto.
        * gfortran.texi (GCC$ ATTRIBUTES): Document them.
        * trans-decl.cc (build_function_decl): Apply them.

2023-02-09  Harald Anlauf  <anlauf@gmx.de>
            Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/69636
        PR fortran/103779
        * intrinsic.cc (gfc_convert_chartype): Recover on invalid character
        kind in conversion instead of generating an internal error.

2023-02-09  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/107424
        * trans-openmp.cc (struct dovar_init_d): Add 'sym' and
        'non_unit_incr' members.
        (gfc_nonrect_loop_expr): New.
        (gfc_trans_omp_do): Call it; use normal loop bounds
        for unit stride - and only create local loop var.

2023-02-09  Tobias Burnus  <tobias@codesourcery.com>

        * parse.cc (decode_omp_directive): Really ignore 'assumes' with
        -fopenmp-simd.

2023-02-08  Steve Kargl  <kargl@gcc.gnu.org>

        PR fortran/103259
        * resolve.cc (resolve_common_vars): Avoid NULL pointer dereference
        when a symbol's location is not set.

2023-02-07  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/95107
        * trans-decl.cc (gfc_finish_var_decl): With -fno-automatic, do not
        make ASSOCIATE variables TREE_STATIC.

2023-02-05  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/108592
        * arith.cc (gfc_arith_divide): Emit integer division truncation
        warnings using gfc_warning instead of gfc_warning_now to prevent
        redundant messages.

2023-02-03  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/108451
        * trans-decl.cc (gfc_trans_use_stmts): Call clear_slot before
        doing continue.

2023-02-01  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/108609
        * expr.cc (find_array_section): Add check to prevent interpreting an
        mpz non-integer constant as an integer.

2023-02-01  Tobias Burnus  <tobias@codesourcery.com>

        * openmp.cc (resolve_omp_clauses): Check also for
        power of two.

2023-01-29  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/108450
        * check.cc (gfc_check_minloc_maxloc): Explicitly set argument name.
        (gfc_check_findloc): Ditto.

2023-01-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/103506
        * parse.cc (parse_module): Remove use of a bool error value
        that prevented proper setting of the namespace pointer.

2023-01-28  Harald Anlauf  <anlauf@gmx.de>
            Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/108527
        * resolve.cc (compare_bound_int): Expression to compare must be of
        type INTEGER.
        (compare_bound_mpz_t): Likewise.
        (check_dimension): Fix comment on checks applied to array section
        and clean up associated logic.

2023-01-28  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/108453
        * match.cc (gfc_match_common): A USE associated name shall not appear
        in a COMMON block (F2018:C8121).

2023-01-27  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/108558
        * trans-openmp.cc (gfc_split_omp_clauses): Handle has_device_addr.

2023-01-26  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/108544
        * resolve.cc (check_host_association): Extend host association check
        so that it is not restricted to functions.  Also prevent NULL pointer
        dereference.

2023-01-25  Steve Kargl  <kargl@gcc.gnu.org>

        PR fortran/108528
        * array.cc (compare_bounds): Return false instead of generating an
        internal error on an invalid argument type.

2023-01-24  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/108529
        * simplify.cc (simplify_transformation): Do not try to simplify
        transformational intrinsic when the ARRAY argument has a NULL shape.

2023-01-23  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/108502
        * dependency.cc (gfc_check_dependency): Prevent NULL pointer
        dereference while recursively checking expressions.

2023-01-23  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/108501
        * interface.cc (get_expr_storage_size): Check array subscript triplets
        that we actually have integer values before trying to extract with
        mpz_get_si.

2023-01-23  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/108420
        * iresolve.cc (check_charlen_present): Preserve character length if
        there is no array constructor.

2023-01-21  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/102595
        * data.cc (gfc_assign_data_value): Remove check for PARAMETER in DATA.
        * primary.cc (match_variable): Add check for PARAMETER in DATA.

2023-01-19  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/108434
        * expr.cc (class_allocatable): Prevent NULL pointer dereference
        or invalid read.
        (class_pointer): Likewise.

2023-01-17  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/108421
        * interface.cc (get_expr_storage_size): Check that we actually have
        an integer value before trying to extract it with mpz_get_si.

2023-01-12  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/107706
        * openmp.cc (gfc_resolve_omp_assumptions): Reject nonscalars.

2023-01-11  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/108349
        * f95-lang.cc (gfc_init_builtin_function): Fix up function types
        for BUILT_IN_REALLOC and BUILT_IN_SINCOS{F,,L}.  Formatting fixes.

2023-01-10  Harald Anlauf  <anlauf@gmx.de>

        PR fortran/97345
        * frontend-passes.cc (do_subscript): Clear used gmp variables.

2023-01-02  Jakub Jelinek  <jakub@redhat.com>

        * gfortranspec.cc (lang_specific_driver): Update copyright notice
        dates.
        * gfc-internals.texi: Bump @copying's copyright year.
        * gfortran.texi: Ditto.
        * intrinsic.texi: Ditto.
        * invoke.texi: Ditto.

\f
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