backport: re PR middle-end/89091 (ICE: Segmentation fault (in tree_class_check))

Backported from mainline
2019-02-20  Jakub Jelinek  <jakub@redhat.com>
    David Malcolm  <dmalcolm@redhat.com>

PR middle-end/89091
* fold-const.c (decode_field_reference): Return NULL_TREE if
lang_hooks.types.type_for_size returns NULL.  Check it before
overwriting *exp_.  Use return NULL_TREE instead of return 0.

* gcc.dg/torture/pr89091.c: New test.

From-SVN: r275117

backport: re PR tree-optimization/88074 (g++ hangs on math expression)

Backported from mainline
2019-02-20  Jakub Jelinek  <jakub@redhat.com>

PR middle-end/88074
PR middle-end/89415
* toplev.c (do_compile): Double the emin/emax exponents to workaround
buggy mpc_norm.

2019-02-19  Richard Biener  <rguenther@suse.de>

        PR middle-end/88074
* toplev.c (do_compile): Initialize mpfr's exponent range
based on available float modes.

2019-02-20  Jakub Jelinek  <jakub@redhat.com>

PR middle-end/88074
PR middle-end/89415
* gcc.dg/pr88074-2.c: New test.

2019-02-19  Richard Biener  <rguenther@suse.de>

        PR middle-end/88074
* gcc.dg/pr88074.c: New testcase.

From-SVN: r275116

backport: re PR target/89361 (s390 broken without S390_USE_TARGET_ATTRIBUTE, likely since r257489)

Backported from mainline
2019-02-18  Jakub Jelinek  <jakub@redhat.com>

PR target/89361
* config/s390/s390.c (s390_indirect_branch_attrvalue,
s390_indirect_branch_settings): Define unconditionally.
(s390_set_current_function): Likewise, but guard the whole body except
the s390_indirect_branch_settings call with
#if S390_USE_TARGET_ATTRIBUTE.
(TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.

From-SVN: r275115

backport: re PR middle-end/89303 (memory leak with shared_ptr and enable_shared_from_this)

Backported from mainline
2019-02-19  Jakub Jelinek  <jakub@redhat.com>

PR middle-end/89303
* g++.dg/torture/pr89303.C: Move everything from std namespace to my
namespace.

From-SVN: r275114

backport: re PR tree-optimization/89278 (ICE in gimplify_modify_expr, at gimplify.c:5821)

Backported from mainline
2019-02-15  Richard Biener  <rguenther@suse.de>
    Jakub Jelinek  <jakub@redhat.com>

PR tree-optimization/89278
* tree-loop-distribution.c: Include tree-eh.h.
(generate_memset_builtin, generate_memcpy_builtin): Call
rewrite_to_non_trapping_overflow on builtin->size before passing it
to force_gimple_operand_gsi.

* gcc.dg/pr89278.c: New test.

From-SVN: r275113

backport: re PR other/89342 (ICE in maybe_default_option, at opts.c:347)

Backported from mainline
2019-02-15  Jakub Jelinek  <jakub@redhat.com>

PR other/89342
* optc-save-gen.awk: Handle optimize_fast like optimize_size or
optimize_debug.
* opth-gen.awk: Likewise.

* gcc.dg/pr89342.c: New test.

From-SVN: r275112

backport: re PR rtl-optimization/89354 (Combine pass yields wrong code with -O2 and -msse2 for 32bit target)

Backported from mainline
2019-02-14  Jakub Jelinek  <jakub@redhat.com>

PR rtl-optimization/89354
* combine.c (make_extraction): Punt if extraction_mode is narrower
than len bits.

* gcc.dg/pr89354.c: New test.

From-SVN: r275111

backport: re PR tree-optimization/89314 (ICE in wide_int_to_tree_1, at tree.c:1561)

Backported from mainline
2019-02-14  Jakub Jelinek  <jakub@redhat.com>

PR tree-optimization/89314
* fold-const.c (fold_binary_loc): Cast strlen argument to
const char * before dereferencing it.  Formatting fixes.

* gcc.dg/pr89314.c: New test.

From-SVN: r275110

backport: re PR middle-end/89303 (memory leak with shared_ptr and enable_shared_from_this)

Backported from mainline
2019-02-13  Jakub Jelinek  <jakub@redhat.com>

PR middle-end/89303
* tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
into pt->vars_contains_escaped_heap instead of setting
pt->vars_contains_escaped_heap to it.

2019-02-13  Jonathan Wakely  <jwakely@redhat.com>
    Jakub Jelinek  <jakub@redhat.com>

PR middle-end/89303
* g++.dg/torture/pr89303.C: New test.

From-SVN: r275109

backport: re PR middle-end/89281 (gcc/optabs.c:3901:30: runtime error: shift exponent 32 is too large for 32-bit type 'int')

Backported from mainline
2019-02-13  Jakub Jelinek  <jakub@redhat.com>

PR middle-end/89281
* optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
INTVAL (size), compare it to GET_MODE_MASK instead of
1 << GET_MODE_BITSIZE.

From-SVN: r275108

backport: re PR middle-end/89246 (LTO produces references to cloned symbols which the compiler failed to clone)

Backported from mainline
2019-02-09  Jakub Jelinek  <jakub@redhat.com>

PR middle-end/89246
* config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
If !node->definition and TYPE_ARG_TYPES is non-NULL, use
TYPE_ARG_TYPES instead of DECL_ARGUMENTS.

* gcc.dg/gomp/pr89246-1.c: New test.
* gcc.dg/gomp/pr89246-2.c: New test.

From-SVN: r275107

backport: re PR target/88861 (ICE in calc_dfs_tree, at dominance.c:458)

Backported from mainline
2019-01-16  David Malcolm  <dmalcolm@redhat.com>

PR target/88861
* combine.c (delete_noop_moves): Convert to "bool" return,
returning true if any edges are eliminated.
(combine_instructions): Also return true if delete_noop_moves
returns true.

* g++.dg/opt/pr89188.C: Include ../torture/pr88861.C.

2019-01-16  David Malcolm  <dmalcolm@redhat.com>

PR target/88861
* g++.dg/torture/pr88861.C: New test.

From-SVN: r275106

backport: re PR rtl-optimization/89234 (ICE in get_eh_region_and_lp_from_rtx at gcc/except.c:1824)

Backported from mainline
2019-02-08  Jakub Jelinek  <jakub@redhat.com>

PR rtl-optimization/89234
* except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
(copy_reg_eh_region_note_backward): Likewise.

* g++.dg/ubsan/pr89234.C: New test.

From-SVN: r275105

backport: re PR c++/89187 (ICE in initialize_argument_information, at calls.c:2023)

Backported from mainline
2019-02-05  Jakub Jelinek  <jakub@redhat.com>

PR c++/89187
* optimize.c (maybe_thunk_body): Clear TREE_ADDRESSABLE on
PARM_DECLs of the thunk.
* lambda.c (maybe_add_lambda_conv_op): Likewise.

* g++.dg/opt/pr89187.C: New test.

From-SVN: r275104

backport: re PR rtl-optimization/11304 (Wrong code production with -fomit-frame-pointer)

Backported from mainline
2019-02-05  Jakub Jelinek  <jakub@redhat.com>

PR rtl-optimization/11304
* gcc.target/i386/call-1.c (set_eax): Add "eax" clobber.
* gcc.target/i386/call-2.c: New test.

From-SVN: r275102

backport: re PR target/89188 (ICE in pre_and_rev_post_order_compute, at cfganal.c:1055)

Backported from mainline
2019-02-05  Jakub Jelinek  <jakub@redhat.com>

PR target/89188
* dce.c (delete_unmarked_insns): Don't remove no-op moves if they
can throw, non-call exceptions are enabled and we can't delete
dead exceptions or alter cfg.  Set must_clean if
delete_insn_and_edges returns true, don't set it blindly for calls.

* g++.dg/opt/pr89188.C: New test.

From-SVN: r275101

backport: re PR rtl-optimization/89195 (Corrupted stack offset after combine)

Backported from mainline
2019-02-05  Jakub Jelinek  <jakub@redhat.com>

PR rtl-optimization/89195
* combine.c (make_extraction): For MEMs, don't extract bytes outside
of the original MEM.

* gcc.c-torture/execute/pr89195.c: New test.

From-SVN: r275099

backport: re PR target/89186 (ICE in mark_addressable at gcc/gimple-expr.c:894 since r268138)

Backported from mainline
2019-02-05  Jakub Jelinek  <jakub@redhat.com>

PR target/89186
* optabs.c (prepare_cmp_insn): Pass x and y to
emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).

* g++.dg/ext/vector36.C: New test.

From-SVN: r275098

backport: re PR middle-end/87887 (ICE in make_ssa_name_fn, at tree-ssanames.c:269)

Backported from mainline
2019-02-02  Jakub Jelinek  <jakub@redhat.com>

PR middle-end/87887
* config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
Punt with warning on aggregate return or argument types.  Ignore
type/mode checking for uniform arguments.

* gcc.dg/gomp/pr87887-1.c: New test.
* gcc.dg/gomp/pr87887-2.c: New test.

From-SVN: r275097

backport: re PR fortran/83246 (internal compiler error or loader problem might be related to a PARAMETER statement being in a BLOCK)

Backported from mainline
2019-02-01  Jakub Jelinek  <jakub@redhat.com>

PR fortran/83246
PR fortran/89084
* trans-decl.c (generate_local_decl): Add referenced FL_PARAMETERs
if sym->ns->construct_entities rather than if
sym->ns->parent->code->op == EXEC_BLOCK.

* gfortran.dg/pr89084.f90: New test.
* gfortran.dg/lto/pr89084_0.f90: New test.
* gfortran.dg/pr83246.f90: New test.

From-SVN: r275096

backport: re PR tree-optimization/88107 (ICE in find_outermost_region_in_block, at tree-cfg.c:7157)

Backported from mainline
2019-02-01  Jakub Jelinek  <jakub@redhat.com>

PR tree-optimization/88107
* tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
instead of assertion that eh_region_outermost is non-NULL, if it
is NULL, set *ALL to true and return NULL.
(move_sese_region_to_fn): Adjust caller, if all is set, call
duplicate_eh_regions with NULL region.

* gcc.dg/gomp/pr88107.c: New test.

From-SVN: r275095

backport: re PR c++/66676 (pragma omp simd aligned(x) results in "internal compiler error: Segmentation fault")

Backported from mainline
2019-01-29  Jakub Jelinek  <jakub@redhat.com>

PR c++/66676
PR ipa/89104
* omp-simd-clone.c (simd_clone_clauses_extract)
<case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
OMP_CLAUSE_ALIGNED_ALIGNMENT.

* gcc.dg/gomp/pr89104.c: New test.

From-SVN: r275094

backport: re PR middle-end/89002 (ICE in scan_omp_1_op, at omp-low.c:3166)

Backported from mainline
2019-01-28  Jakub Jelinek  <jakub@redhat.com>

PR middle-end/89002
* gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
for lastprivate/linear IV, push gimplify context around gimplify_assign
and, if it needed any temporaries, pop it into a gimple bind around the
sequence.

* testsuite/libgomp.c/pr89002.c: New test.

From-SVN: r275093

backport: re PR target/87214 (r263772 miscompiled 520.omnetpp_r in SPEC CPU 2017)

Backported from mainline
2019-01-27  Jakub Jelinek  <jakub@redhat.com>

PR target/87214
* config/i386/sse.md
(<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
first constants in pairs are multiples of 2.  Formatting fixes.
(avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
first constants in each quadruple are multiples of 4.  Formatting fixes.

* gcc.target/i386/avx512vl-pr87214-1.c: New test.
* gcc.target/i386/avx512vl-pr87214-2.c: New test.

From-SVN: r275092

backport: re PR c++/88976 (ICE in fold_convert_loc, at fold-const.c:2552)

Backported from mainline
2019-01-24  Jakub Jelinek  <jakub@redhat.com>

PR c++/88976
* semantics.c (finish_omp_cancel): Use maybe_convert_cond when not in
template or build_x_binary_op otherwise.

* c-c++-common/gomp/cancel-2.c: New test.
* gcc.dg/gomp/cancel-1.c: New test.
* g++.dg/gomp/cancel-1.C: New test.
* g++.dg/gomp/cancel-2.C: New test.
* g++.dg/gomp/cancel-3.C: New test.

From-SVN: r275091

Backport PRs 49429, 49454, 86334, 88906

Backported from mainline
2019-01-22  Jakub Jelinek  <jakub@redhat.com>

PR rtl-optimization/49429
PR target/49454
PR rtl-optimization/86334
PR target/88906
* expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
addressable from here...
(emit_block_op_via_libcall): ... to here.

* gcc.target/i386/pr86334.c: New test.
* gcc.target/i386/pr88906.c: New test.

From-SVN: r275090

backport: re PR c++/88949 (ICE in expand_expr_real_1, at expr.c:10001 with -fopenmp)

Backported from mainline
2019-01-21  Jakub Jelinek  <jakub@redhat.com>

PR c++/88949
* optimize.c (cxx_copy_decl): New function.
(clone_body): Use it instead of copy_decl_no_change.

* g++.dg/gomp/pr88949.C: New test.

From-SVN: r275089

backport: re PR fortran/88902 (ICE: Segmentation fault (in DFS::DFS_write_tree_body))

Backported from mainline
2019-01-19  Jakub Jelinek  <jakub@redhat.com>

PR fortran/88902
* trans-decl.c (gfc_get_symbol_decl): Don't add length to function
or parent function if it has been added there already.

* gfortran.dg/pr88902.f90: New test.

From-SVN: r275088

backport: re PR rtl-optimization/88870 (ICE: Segmentation fault (in df_worklist_propagate_backward))

Backported from mainline
2019-01-17  Jakub Jelinek  <jakub@redhat.com>

PR rtl-optimization/88870
* dce.c (deletable_insn_p): Never delete const/pure calls that can
throw if we can't alter the cfg or delete dead exceptions.
(mark_insn): Don't call find_call_stack_args for such calls.

* gcc.dg/pr88870.c: New test.

From-SVN: r275087

backport: re PR c/88568 ('dllimport' no longer implies 'extern' in C)

Backported from mainline
2019-01-10  Jakub Jelinek  <jakub@redhat.com>

PR c/88568
* tree.c (handle_dll_attribute): Clear TREE_STATIC after setting
DECL_EXTERNAL.

* gcc.dg/pr88568.c: New test.

From-SVN: r275086

backport: re PR middle-end/82564 (ICE at -O1 and above: in assign_stack_temp_for_type, at function.c:783)

Backported from mainline
2019-01-05  Jakub Jelinek  <jakub@redhat.com>

PR middle-end/82564
PR target/88620
* expr.c (expand_assignment): For calls returning VLA structures
if to_rtx is not a MEM, force it into a stack temporary.

* gcc.dg/nested-func-12.c: New test.
* gcc.c-torture/compile/pr82564.c: New test.

From-SVN: r275085

backport: re PR target/88594 (ICE in int_mode_for_mode, at stor-layout.c:403)

Backported from mainline
2019-01-04  Jakub Jelinek  <jakub@redhat.com>

PR target/88594
* config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
of GET_MODE (opN) as modes of the libcall arguments.

* gcc.dg/pr88594.c: New test.

From-SVN: r275084

backport: re PR debug/88644 (Unexpected pub type info eliminated after r246973 (causes pubtypes-*.c to regress).)

Backported from mainline
2019-01-03  Jakub Jelinek  <jakub@redhat.com>

PR debug/88644
* dwarf2out.c (modified_type_die): If type is equal to sizetype,
change it to qualified_type.

* gcc.dg/debug/dwarf2/pr88644.c: New test.

2019-01-03  Iain Sandoe  <iain@sandoe.co.uk>

* gcc.dg/pubtypes-2.c: Adjust expected pubtypes length.
* gcc.dg/pubtypes-3.c: Likewise.
* gcc.dg/pubtypes-4.c: Likewise.

From-SVN: r275083

backport: re PR middle-end/85594 (ICE during expand when compiling with -fwrapv -fopenmp)

Backported from mainline
2018-12-21  Jakub Jelinek  <jakub@redhat.com>

PR middle-end/85594
PR middle-end/88553
* omp-expand.c (extract_omp_for_update_vars): Regimplify the condition
if needed.
(expand_omp_for_generic): Don't clobber t temporary for ordered loops.

* gcc.dg/gomp/pr85594.c: New test.
* gcc.dg/gomp/pr88553.c: New test.

From-SVN: r275082

backport: re PR rtl-optimization/88563 (wrong code with -O2 -fno-code-hoisting -fno-tree-ccp -fno-tree-dominator-opts -fno-tree-forwprop -fno-tree-fre -fno-tree-pre -fno-tree-vrp)

Backported from mainline
2018-12-21  Jakub Jelinek  <jakub@redhat.com>

PR rtl-optimization/88563
* expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Swap innermode
and mode arguments to convert_modes.  Likewise swap mode and word_mode
arguments.  Handle both arguments with VOIDmode before convert_modes
of one of them.  Formatting fixes.

* gcc.dg/pr88563.c: New test.

From-SVN: r275081

backport: re PR rtl-optimization/88470 (ICE in maybe_record_trace_start, at dwarf2cfi.c:2354)

Backported from mainline
2018-12-13  Jakub Jelinek  <jakub@redhat.com>

PR rtl-optimization/88470
* cfgcleanup.c (outgoing_edges_match): If the function is
shrink-wrapped and bb1 ends with a JUMP_INSN with a single fake
edge to EXIT, return false.

* gcc.target/i386/pr88470.c: New test.

From-SVN: r275080

backport: re PR rtl-optimization/88416 (ICE in in df_uses_record, at df-scan.c:3013)

Backported from mainline
2018-12-13  Jakub Jelinek  <jakub@redhat.com>

PR rtl-optimization/88416
* valtrack.c (cleanup_auto_inc_dec): Handle pre/post-inc/dec/modify
even if !AUTO_INC_DEC.

* gcc.target/i386/pr88416.c: New test.

From-SVN: r275079

backport: re PR c++/86669 (Complete object constructor clone omits length for a c++11 braced initialiser)

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

PR c++/86669
* call.c (make_temporary_var_for_ref_to_temp): Call pushdecl even for
automatic vars.

* g++.dg/cpp0x/initlist105.C: New test.
* g++.dg/cpp0x/initlist106.C: New test.
* g++.dg/other/pr86669.C: New test.

From-SVN: r275078

backport: re PR target/85593 (GCC on ARM allocates R3 for local variable when calling naked function with O2 optimizations enabled)

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

PR target/85593
* final.c (rest_of_handle_final): Don't call collect_fn_hard_reg_usage
for functions with naked attribute.

From-SVN: r275077

backport: re PR fortran/88377 (ICE in gfc_omp_clause_copy_ctor, at fortran/trans-openmp.c:614)

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

PR fortran/88377
* trans-openmp.c (gfc_omp_clause_default_ctor,
gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op,
gfc_omp_clause_linear_ctor, gfc_omp_clause_dtor): Only consider
GFC_DECL_GET_SCALAR_ALLOCATABLE vars as scalar allocatables if they
have pointer type.

* gfortran.dg/gomp/pr88377.f90: New test.

From-SVN: r275076

backport: re PR c++/87506 (ICE with inherited constexpr constructor with const argument)

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

PR c++/87506
* constexpr.c (adjust_temp_type): Handle EMPTY_CLASS_EXPR.

* g++.dg/cpp0x/constexpr-87506.C: New test.

From-SVN: r275075

backport: re PR c++/88103 (Wrong value category when conditional expression result is used as object expression)

Backported from mainline
2018-12-04  Jakub Jelinek  <jakub@redhat.com>

PR c++/88103
* typeck.c (build_class_member_access_expr): If unary_complex_lvalue
turned xvalue_p into non-xvalue_p, call move on it.

* g++.dg/cpp0x/rv-cond3.C: New test.

From-SVN: r275074

backport: re PR tree-optimization/71109 (gcc ICE at -O3 on valid code on x86_64-linux-gnu in "maybe_record_trace_start")

Backported from mainline
2018-12-03  Jakub Jelinek  <jakub@redhat.com>

PR tree-optimization/71109
* gcc.c-torture/compile/pr71109.c: New test.

From-SVN: r275073

backport: re PR debug/85550 (-fdebug-types-section broken with DW_OP_addr in DW_AT_location)

Backported from mainline
2018-11-30  Jakub Jelinek  <jakub@redhat.com>

PR debug/85550
* g++.dg/debug/dwarf2/pr85550.C: New test.

From-SVN: r275072

backport: re PR c++/88181 (ICE: verify_type failed (error: type variant differs by TYPE_PACKED))

Backported from mainline
2018-11-27  Jakub Jelinek  <jakub@redhat.com>

PR c++/88181
* class.c (fixup_attribute_variants): Also propagate TYPE_PACKED
to variants.

* g++.dg/debug/pr88181.C: New test.

From-SVN: r275071

backport: re PR tree-optimization/87895 (ICE in purge_dead_edges, at cfgrtl.c:3246)

Backported from mainline
2018-11-20  Jakub Jelinek  <jakub@redhat.com>

PR tree-optimization/87895
* omp-simd-clone.c (ipa_simd_modify_function_body): When removing
or replacing GIMPLE_RETURN, set EDGE_FALLTHRU on the edge to EXIT.
(simd_clone_adjust): Don't set EDGE_FALLTHRU here. In a loop that
redirects edges to EXIT to edges to incr_bb, iterate while EXIT
has any preds and always use EDGE_PRED (, 0).

* gcc.dg/gomp/pr87895-1.c: New test.
* gcc.dg/gomp/pr87895-2.c: New test.
* gcc.dg/gomp/pr87895-3.c: New test.

From-SVN: r275070

backport: re PR c++/60994 (gcc does not recognize hidden/shadowed enumeration as valid nested-name-specifier)

Backported from mainline
2018-11-19  Jakub Jelinek  <jakub@redhat.com>

PR c++/60994
* g++.dg/lookup/pr60994.C: New test.

From-SVN: r275068

backport: re PR fortran/87725 (OpenMP 4.5 clause schedule(simd,monotonic:static) not understood)

Backported from mainline
2018-10-25  Jakub Jelinek  <jakub@redhat.com>

PR fortran/87725
* openmp.c (gfc_match_omp_clauses): Parse simd, monotonic and
nonmonotonic modifiers regardless of if they have been parsed
already or if the opposite one has.  Fix up check whether
comma after modifier should be parsed.
(resolve_omp_clauses): Diagnose schedule modifier restrictions.

* c-c++-common/gomp/schedule-modifiers-1.c (bar): Separate modifier
from kind with a colon rather than comma.
* gfortran.dg/gomp/schedule-modifiers-1.f90: New test.
* gfortran.dg/gomp/schedule-modifiers-2.f90: New test.

From-SVN: r275067

backport: re PR middle-end/87647 (ICE on valid code in decode_addr_const, at varasm.c:2958)

Backported from mainline
2018-10-20  Jakub Jelinek  <jakub@redhat.com>

PR middle-end/87647
* varasm.c (decode_addr_const): Handle COMPOUND_LITERAL_EXPR.

* gcc.c-torture/compile/pr87647.c: New test.

From-SVN: r275066

backport: re PR middle-end/85488 (segmentation fault when compiling code using the ordered(n) clause in OpenMP 4.5)

Backported from mainline
2018-10-19  Jakub Jelinek  <jakub@redhat.com>

PR middle-end/85488
PR middle-end/87649
* omp-low.c (check_omp_nesting_restrictions): Diagnose ordered without
depend closely nested inside of loop with ordered clause with
a parameter.

* c-c++-common/gomp/doacross-2.c: New test.
* c-c++-common/gomp/sink-3.c: Expect another error during error
recovery.

From-SVN: r275065

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re PR target/91533 (abs pattern generates MMX instructions but fails to call EMMS)

PR target/91533
Backport from mainline
2019-06-30  Uroš Bizjak  <ubizjak@gmail.com>

* config/i386/sse.md (ssse3_abs<mode>2): Rename from abs<mode>2.
* config/i386/i386-builtin.def (__builtin_ia32_pabsb):
Use CODE_FOR_ssse3_absv8qi2.
(__builtin_ia32_pabsw): Use CODE_FOR_ssse3_absv4hi2.
(__builtin_ia32_pabsd): Use CODE_FOR_ssse3_absv2si2.

From-SVN: r274914

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re PR tree-optimization/91510 (r253207 fixed a wrong-code bug)

2019-08-21  Richard Biener  <rguenther@suse.de>

PR tree-optimization/91510
Backport from mainline
2017-09-26  Martin Jambor  <mjambor@suse.cz>

* tree-sra.c (compare_access_positions): Put integral types first,
stabilize sorting of integral types, remove conditions putting
non-full-precision integers last.
(sort_and_splice_var_accesses): Disable scalarization if a
non-integert would be represented by a non-full-precision integer.

From-SVN: r274798

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* gcc.c-torture/execute/20190820-1.c: Fix typos.

From-SVN: r274713

* gcc.c-torture/execute/20190820-1.c: Do not use attribute noipa.

From-SVN: r274712

re PR rtl-optimization/91347 (hppa: wrong code generated with tail call optimisation)

PR rtl-optimization/91347
* dse.c (scan_insn): Call add_wild_read for non-const/memset tail calls
before reload if HARD_FRAME_POINTER_IS_ARG_POINTER.

From-SVN: r274711

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test_summary: Do not escape "=".

* test_summary: Do not escape "=".

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From-SVN: r274051

backport: re PR fortran/90786 (ICE on procedure pointer assignment to function with class pointer result)

2019-08-03  Thomas Koenig  <tkoenig@gcc.gnu.org>
Paul Thomas <pault@gcc.gnu.org>

Backport from trunk
PR fortran/90786
PR fortran/90813
* trans-expr.c (pointer_assignment_is_proc_pointer) Remove as
it is very simple and only called from one place.
(gfc_trans_pointer_assignment): Rename non_proc_pointer_assign
as non_proc_ptr_assign. Assign to it directly, rather than call
to above, deleted function and use gfc_expr_attr instead of
only checking the reference chain.
* trans-decl.c (sym_identifier): New function.
(mangled_identifier): New function, doing most of the work
of gfc_sym_mangled_identifier.
(gfc_sym_mangled_identifier): Use mangled_identifier.  Add mangled
identifier to global symbol table.
(get_proc_pointer_decl): Use backend decl from global identifier
if present.

2019-08-03  Thomas Koenig  <tkoenig@gcc.gnu.org>
Paul Thomas <pault@gcc.gnu.org>

Backport from trunk
PR fortran/90786
PR fortran/90813
* gfortran.dg/proc_ptr_51.f90: New test.

Co-Authored-By: Paul Thomas <pault@gcc.gnu.org>
From-SVN: r274038

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re PR plugins/90924 (lto-plugin/lto-plugin.c heap memory corruption due to insufficient sanitization.)

2019-07-25  Richard Biener  <rguenther@suse.de>

PR lto/90924
Backport from mainline
2019-07-12  Ren Kimura  <rkx1209dev@gmail.com>

* simple-object-elf.c (simple_object_elf_match): Check zero value
shstrndx.

From-SVN: r273795

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Backport r273660

2019-07-22  Martin Liska  <mliska@suse.cz>

Backport from mainline
2019-07-22  Martin Liska  <mliska@suse.cz>

PR driver/91172
* opts-common.c (decode_cmdline_option): Decode
argument of -Werror and check it for a wrong language.
* opts-global.c (complain_wrong_lang): Remove such case.
2019-07-22  Martin Liska  <mliska@suse.cz>

Backport from mainline
2019-07-22  Martin Liska  <mliska@suse.cz>

PR driver/91172
* gcc.dg/pr91172.c: New test.

From-SVN: r273666

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