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Cherry picked (and modified) from google-4_7 branch
2012-12-26 Rong Xu <xur@google.com>
* common.opt (fprofile-update): Add new flag.
* coretypes.h: Define enum profile_update.
* doc/invoke.texi: Document -fprofile-update.
* gcov-io.h: Declare GCOV_TYPE_ATOMIC_FETCH_ADD and
GCOV_TYPE_ATOMIC_FETCH_ADD_FN.
* tree-profile.c (gimple_init_edge_profiler): Generate
also atomic profiler update.
(gimple_gen_edge_profiler): Likewise.
* g++.dg/gcov/gcov-threads-1.C: New test.
From-SVN: r239323
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gcc/ChangeLog:
* toplev.c (finalize): Set aux_info_file, asm_out_file, and
stack_usage_file to NULL after fclose calls.
From-SVN: r239322
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Extend computation of subreg_in_class to constants and plus expressions
inside SUBREGs, before recursively calling push_reload. SYMBOL_REFs are
also CONSTANT_P, so remove explicit handling of SYMBOL_REFs.
gcc/ChangeLog
PR target/71873
* reload.c (push_reload): Compute subreg_in_class for
subregs of constants and plus expressions. Remove special
handling of SYMBOL_REFs.
gcc/testsuite/ChangeLog
PR target/71873
* gcc.target/avr/pr71873.c: New test.
From-SVN: r239321
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The fallback part of HARD_REGNO_CALLER_SAVE_MODE, choose_hard_reg_mode,
returns DFmode for SImode when TARGET_E500_DOUBLE. This confuses
lra when attempting to save ctr around a call.
PR target/71680
* config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Return
SImode for TARGET_E500_DOUBLE when given SImode.
From-SVN: r239317
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* gccgo.texi (Invoking gccgo): Document -fgo-optimize-allocs and
-fgo-debug-escae.
(Compiler Directives): New chapter.
(Function Names): Describe using //go:linkname. Suggest using
-fgo-pkgpath rather than -fgo-prefix.
From-SVN: r239316
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Reviewed-on: https://go-review.googlesource.com/26652
From-SVN: r239315
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From-SVN: r239314
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Implement the go:linkname compiler directive for functions (both
function definitions and function declarations). At least for now, give
an error for code that tries to use go:linkname with a non-function.
Reviewed-on: https://go-review.googlesource.com/26651
From-SVN: r239311
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* config/i3836/avx512fintrin.h (_mm512_cvtsepi64_epi32): Remove
unused variable __O.
From-SVN: r239310
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gcc/c-family/
* c-common.c (c_common_attribute_table): vector_size affects type
identity.
gcc/cp/
* decl2.c (any_dependent_type_attributes_p): New.
* pt.c (dependent_type_p_r, type_dependent_expression_p): Check it.
* semantics.c (finish_id_expression): Check it.
* typeck.c (finish_class_member_access_expr): Check it.
From-SVN: r239309
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* g++.dg/gcov/gcov-dump-1.C: New test.
* g++.dg/gcov/gcov-dump-2.C: New test.
From-SVN: r239308
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* doc/gcov.texi: Change _gcov_dump to __gcov_dump and
_gcov_reset to __gcov_reset.
* doc/gcov-tool.texi: Fix typo.
* libgcov-util.c: Fix typo and GNU coding style.
From-SVN: r239307
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* value-prof.c (gimple_divmod_values_to_profile): Do not
instrument MOD histogram if a value is not a SSA name.
* gcc.dg/tree-prof/val-prof-9.c: New test.
From-SVN: r239305
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* gcc.dg/tree-prof/val-prof-8.c: New test.
* value-prof.c (dump_histogram_value): Swap pow2 and non-pow2
values.
* libgcov-profiler.c (__gcov_pow2_profiler): Consider 0 as not
power of two.
From-SVN: r239304
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gcc/
2016-08-04 Renlin Li <renlin.li@arm.com>
PR middle-end/64971
* calls.c (prepare_call_address): Convert funexp to Pmode when
necessary.
* config/aarch64/aarch64.md (sibcall): Remove fix for PR 64971.
(sibcall_value): Likewise.
From-SVN: r239300
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* class.c (check_abi_tags): Don't duplicate tags for conversion ops.
From-SVN: r239299
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* class.c (missing_abi_tags): New.
(check_abi_tags): Don't check template. Add just_checking mode.
* mangle.c (abi_flag_at_least, any_abi_below, equal_abi_tags): New.
(sorted_abi_tags): Split out from write_abi_tags.
(struct releasing_vec): New.
(write_unqualified_name): Only look for the primary
template for types. Implement backward compatibility.
From-SVN: r239298
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PR c/7652
gcc/c-family/
* c-ada-spec.c (dump_generic_ada_node): Add return.
gcc/
* cselib.c (cselib_expand_value_rtx_1): Add return.
* gengtype.c (dbgprint_count_type_at): Likewise.
* hsa-gen.c (gen_hsa_insn_for_internal_fn_call): Likewise.
* reg-stack.c (get_true_reg): Restructure to avoid fallthrough warning.
From-SVN: r239297
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CLONE_NEWNET is needed to compile the syscall tests on GNU/Linux.
The symbol is not defined in the CentOS 5.11 header files.
Patch from Uros Bizjak.
Reviewed-on: https://go-review.googlesource.com/26630
From-SVN: r239296
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2016-08-09 Martin Jambor <mjambor@suse.cz>
PR ipa/71981
* ipa-polymorphic-call.c (get_dynamic_type): Bail out gracefully
if instance is a MEM_REF.
testsuite/
PR ipa/71981
* gcc.dg/ipa/pr71981.c: New test.
From-SVN: r239294
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lra_set_insn_recog_data, at lra.c:964)
PR target/72843
* config/i386/i386.md (*movtf_internal): Use
lra_in_progress || reload_completed instead of !can_create_pseudo_p
in the insn constraint.
(*movxf_internal): Ditto.
(*movdf_internal): Ditto.
(*movsf_internal): Ditto.
From-SVN: r239293
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gcc/testsuite
PR tree-optimization/33707
* gcc.dg/vect/pr33707.c: New test.
From-SVN: r239292
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PR tree-optimization/72772
* tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
for expanded base.
gcc/testsuite
PR tree-optimization/pr72772
* gcc.dg/tree-ssa/pr72772.c: New test.
From-SVN: r239291
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PR tree-optimization/72772
* tree-ssa-loop-niter.h (simplify_using_initial_conditions): Delete
parameter STOP.
* tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Delete
parameter STOP and update calls. Move expand_simple_operations
function call from here...
(simplify_using_initial_conditions): ...to here. Delete parameter
STOP.
(tree_simplify_using_condition): Delete parameter STOP.
* tree-scalar-evolution.c (simple_iv_with_niters): Update call to
simplify_using_initial_conditions.
From-SVN: r239290
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* constexpr.c (cxx_eval_constant_expression): Check
COMPLETE_TYPE_P before calling is_really_empty_class.
* class.c (is_really_empty_class): Don't call complete_type.
From-SVN: r239289
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gcc/
PR rtl-optimization/66669
* gcc.dg/loop-8.c: Skip for MIPS due to extra invariants.
From-SVN: r239288
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* typeck.c (cp_build_addr_expr_1): Remove special *this handling.
From-SVN: r239285
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Rewrite the compiler directive support to recognize all the compiler
directives implemented by the current gc compiler. The directives other
than go:linkname are now turned into GOPRAGMA flags attached to a
function or function declaration. The go:linkname directive is turned
into a map attached to the Lex object. No new directives are actually
implemented yet, they are just recognized.
Reviewed-on: https://go-review.googlesource.com/26610
From-SVN: r239282
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gcc/
PR c/65345
* config/mips/mips.c (mips_atomic_assign_expand_fenv):
Use create_tmp_var_raw instead of create_tmp_var.
From-SVN: r239278
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names related.
2016-08-09 Richard Biener <rguenther@suse.de>
* tree-ssa-threadbackward.c (profitable_jump_thread_path):
Treat same SSA names related.
From-SVN: r239276
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at optimization level -O3 (tree-loop-distribute-patterns))
PR tree-optimization/72824
* tree-loop-distribution.c (const_with_all_bytes_same): Verify
real_zerop is not negative.
* gcc.c-torture/execute/ieee/pr72824.c: New test.
From-SVN: r239275
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x86_64-linux-gnu in expand_LOOP_VECTORIZED)
2016-08-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/71802
* tree-cfgcleanup.c (cleanup_tree_cfg_bb): Make sure to catch
all merge opportunities with the predecessor.
* gcc.dg/torture/pr71802.c: New testcase.
From-SVN: r239274
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alignments in function_arg.)
2016-08-09 Richard Biener <rguenther@suse.de>
PR ipa/68273
* ipa-prop.c (ipa_modify_formal_parameters): Build
parameter types with natural alignment also for the
over-aligned case.
From-SVN: r239273
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PR c++/72809
* rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
builtin aggregate types without TYPE_BINFO.
* g++.dg/eh/stdarg1.C: New test.
From-SVN: r239272
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gcc/c-family/
* c-cppbuiltin.c (c_cpp_builtins): Update __cpp_constexpr for
C++17 constexpr lambdas.
gcc/cp/
* class.c (finalize_literal_type_property): Handle lambdas.
* constexpr.c (is_valid_constexpr_fn): Likewise. No longer static.
(explain_invalid_constexpr_fn, cxx_eval_call_expression): Handle
lambdas.
(cxx_eval_constant_expression): Handle capture proxy.
(var_in_constexpr_fn): Don't check for C++14.
(var_in_maybe_constexpr_fn): New.
(potential_constant_expression_1): Use it. Check DECL_EXPR for
declarations not allowed in constexpr function.
* decl.c (make_rtl_for_nonlocal_decl): Use var_in_maybe_constexpr_fn.
(finish_function): Set DECL_DECLARED_CONSTEXPR_P on lambda members.
* lambda.c (begin_lambda_type): Set CLASSTYPE_LITERAL_P.
(maybe_add_lambda_conv_op): Clear thunk CALL_EXPR location.
(lambda_static_thunk_p): New.
* parser.c (cp_keyword_starts_decl_specifier_p): Add RID_CONSTEXPR.
(CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): New enumerator.
(cp_parser_decl_specifier_seq): Handle it.
(cp_parser_lambda_declarator_opt): Use cp_parser_decl_specifier_seq.
* pt.c (instantiate_class_template_1): Set CLASSTYPE_LITERAL_P.
(tsubst_copy_and_build) [CALL_EXPR]: Propagate CALL_FROM_THUNK_P.
* error.c (dump_function_decl): Check TFF_NO_TEMPLATE_BINDINGS.
(dump_expr) [FUNCTION_DECL]: Pass it.
From-SVN: r239268
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PR c++/67131
* class.c (is_really_empty_class): Call complete_type.
* constexpr.c (cxx_eval_constant_expression): Check
is_really_empty_class.
(potential_constant_expression_1): Likewise. Check for error type.
From-SVN: r239267
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This patch fixes an bootstrap error with autoprofiledbootstrap
due to uninitiliazed variables, because the compiler cannot
figure out they don't need to be initialized in an error path.
Just always initialize them.
gcc/:
2016-08-08 Andi Kleen <ak@linux.intel.com>
* tree-vrp.c (get_single_symbol): Always initialize inv and neg.
From-SVN: r239266
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There were some reports that the autofdo tests are non deterministic
with parallel builds. I wasn't able to reproduce this, but here are
two changes that may help:
- Always use unique file names for temporary files.
- Don't print file names in the test log because the directories
can vary (suggested by Jeff Law)
gcc/testsuite/:
2016-08-08 Andi Kleen <ak@linux.intel.com>
* lib/profopt.exp: (auto-profopt-execute): Don't include full
test command line in failure log.
(profopt-execute): dito. Make autofdo file names unique.
From-SVN: r239265
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From-SVN: r239264
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We already lowered the limit of recursive template invocations from
100,000 to 10,000, but the tests still fail occasionally on
x86_64-pc-linux-gnu when using GNU ld (so that split stacks are not
fully functional). Reduce the limit further, to 1000, enough so that
the test passes consistently.
Permitting 1000 recursive template invocations still seems capacious
enough for real world use.
Reviewed-on: https://go-review.googlesource.com/25590
From-SVN: r239261
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This adds fix-it hints to c-format.c so that it can (sometimes) suggest
the format string the user should have used.
The patch adds selftests for the new code in c-format.c. These
selftests are thus lang-specific. This is the first time we've had
lang-specific selftests, and hence the patch also adds a langhook for
running them. (Note that currently the Makefile only invokes the
selftests for cc1).
gcc/c-family/ChangeLog:
PR c/64955
* c-common.h (selftest::c_format_c_tests): New declaration.
(selftest::run_c_tests): New declaration.
* c-format.c: Include "selftest.h.
(format_warning_va): Add param "corrected_substring" and use
it to add a replacement fix-it hint.
(format_warning_at_substring): Likewise.
(format_warning_at_char): Update for new param of
format_warning_va.
(argument_parser::check_argument_type): Pass "fki" to
check_format_types.
(check_format_types): Add param "fki" and pass it to
format_type_warning.
(deref_n_times): New function.
(get_modifier_for_format_len): New function.
(selftest::test_get_modifier_for_format_len): New function.
(get_format_for_type): New function.
(format_type_warning): Add param "fki" and use it to attempt
to provide hints for argument types when calling
format_warning_at_substring.
(selftest::get_info): New function.
(selftest::assert_format_for_type_streq): New function.
(ASSERT_FORMAT_FOR_TYPE_STREQ): New macro.
(selftest::test_get_format_for_type_printf): New function.
(selftest::test_get_format_for_type_scanf): New function.
(selftest::c_format_c_tests): New function.
gcc/c/ChangeLog:
PR c/64955
* c-lang.c (LANG_HOOKS_RUN_LANG_SELFTESTS): If CHECKING_P, wire
this up to selftest::run_c_tests.
(selftest::run_c_tests): New function.
gcc/ChangeLog:
PR c/64955
* langhooks-def.h (LANG_HOOKS_RUN_LANG_SELFTESTS): New default
do-nothing langhook.
(LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_RUN_LANG_SELFTESTS.
* langhooks.h (struct lang_hooks): Add run_lang_selftests.
* selftest-run-tests.c: Include "tree.h" and "langhooks.h".
(selftest::run_tests): Call lang_hooks.run_lang_selftests.
gcc/testsuite/ChangeLog:
PR c/64955
* gcc.dg/format/diagnostic-ranges.c: Add fix-it hints to expected
output.
From-SVN: r239260
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Having each .lo depend on the corresponding .lo.dep caused too many
rebuilds, because the .lo.dep files are rebuilt when Makefile changes.
Instead, if the .lo.dep file changes, remove the .lo file.
Reviewed-on: https://go-review.googlesource.com/25588
From-SVN: r239258
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(PR bootstrap/72844)
selftest::test_lexer_string_locations_ebcdic has this clause:
/* EBCDIC support requires iconv. */
if (!HAVE_ICONV)
return;
leading to a build failure on systems without iconv. This conditional
works in libcpp due to this in libcpp/internal.h:
#if HAVE_ICONV
#include <iconv.h>
#else
#define HAVE_ICONV 0
typedef int iconv_t; /* dummy */
#endif
Fix the problem by ensuring that HAVE_ICONV is always defined within
gcc/input.c.
gcc/ChangeLog:
PR bootstrap/72844
* input.c: Ensure that HAVE_ICONV is defined.
From-SVN: r239257
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The recent changes to Makefile.am mean that if you configure with an
absolute path as srcdir then gotest will be invoked with absolute paths
for the files. That case never worked. This patch fixes it.
Reviewed-on: https://go-review.googlesource.com/25587
From-SVN: r239256
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2016-08-08 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
testsuite/
* gcc.dg/tree-ssa/pr71078-1.c: Add require-effective-target
c99_runtime.
* gcc.dg/tree-ssa/pr71078-1-double.c: Likewise.
* gcc.dg/tree-ssa/pr71078-1-long-double.c: Likewise.
* gcc.dg/tree-ssa/pr71078-2.c: Likewise.
* gcc.dg/tree-ssa/pr71078-2-double.c: Likewise.
* gcc.dg/tree-ssa/pr71078-2-long-double.c: Likewise.
* gcc.dg/tree-ssa/pr71078-3.c: Likewise.
From-SVN: r239255
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gcc/c-family/ChangeLog:
PR c/52952
* c-format.c: Include "diagnostic.h".
(location_column_from_byte_offset): Delete.
(location_from_offset): Delete.
(format_warning_va): New function.
(format_warning_at_substring): New function.
(format_warning_at_char): New function.
(check_format_arg): Capture location of format_tree and pass to
check_format_info_main.
(argument_parser): Add fields "start_of_this_format" and
"format_string_cst".
(flag_chars_t::validate): Add param "format_string_cst". Convert
warning_at call using location_from_offset to call to
format_warning_at_char.
(argument_parser::argument_parser): Add param "format_string_cst_"
and use use it to initialize field "format_string_cst".
Initialize new field "start_of_this_format".
(argument_parser::read_format_flags): Convert warning_at call
using location_from_offset to a call to format_warning_at_char.
(argument_parser::read_any_format_left_precision): Likewise.
(argument_parser::read_any_format_precision): Likewise.
(argument_parser::read_any_other_modifier): Likewise.
(argument_parser::find_format_char_info): Likewise, in three places.
(argument_parser::parse_any_scan_set): Likewise, in one place.
(argument_parser::handle_conversions): Likewise, in two places.
(argument_parser::check_argument_type): Add param "fmt_param_loc"
and use it to make a substring_loc. Pass the latter to
check_format_types.
(check_format_info_main): Add params "fmt_param_loc" and
"format_string_cst". Convert warning_at calls using
location_from_offset to calls to format_warning_at_char. Pass the
new params to the arg_parser ctor. Pass "format_string_cst" to
flag_chars.validate. Pass "fmt_param_loc" to
arg_parser.check_argument_type.
(check_format_types): Convert first param from a location_t
to a const substring_loc & and rename to "fmt_loc". Attempt
to extract the range of the relevant parameter and pass it
to format_type_warning.
(format_type_warning): Convert first param from a location_t
to a const substring_loc & and rename to "fmt_loc". Add
params "param_range" and "type". Replace calls to warning_at
with calls to format_warning_at_substring.
gcc/testsuite/ChangeLog:
PR c/52952
* gcc.dg/cpp/pr66415-1.c: Likewise.
* gcc.dg/format/asm_fprintf-1.c: Update column numbers.
* gcc.dg/format/c90-printf-1.c: Likewise.
* gcc.dg/format/diagnostic-ranges.c: New test case.
From-SVN: r239253
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PR go/72814
runtime: treat zero-sized result value as void
Change the FFI interface to treat a call to a function that returns a
zero-sized result as a call to a function that returns void.
This is part of the fix for https://gcc.gnu.org/PR72814. On 32-bit
SPARC systems, a call to a function that returns a non-zero-sized struct
is followed by an unimp instruction that describes the size of the
struct. The function returns to the address after the unimp
instruction. The libffi library can not represent a zero-sized struct,
so we wind up treating it as a 1-byte struct. Thus in that case libffi
calls the function with an unimp instruction, but the function does not
adjust the return address. The result is that the program attempts to
execute the unimp instruction, causing a crash.
This is part of a change that fixes the crash by treating all functions
that return zero bytes as functions that return void.
Reviewed-on: https://go-review.googlesource.com/25585
* go-gcc.cc (Gcc_backend::function_type): If the return type is
zero bytes, treat the function as returning void.
(return_statement): If the return type is zero bytes, don't
actually return any values.
From-SVN: r239252
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PR c++/58706
* parser.c: Include tree-iterator.h.
(cp_parser_omp_for_loop_init): Move lambda DECL_EXPRs from init
to FOR_BLOCK.
(cp_parser_omp_for_loop): Handle non-STATEMENT_LIST FOR_BLOCK
entries.
* testsuite/libgomp.c++/pr58706.C: New test.
From-SVN: r239251
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fortran/openmp.c:5156)
PR fortran/72716
* openmp.c (gfc_match_omp_declare_simd): Don't stick anything into
BLOCK DATA ns, it will be rejected later.
* gfortran.dg/gomp/pr72716.f90: New test.
From-SVN: r239250
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PR middle-end/72781
* omp-low.c (lower_lastprivate_clauses): Set TREE_NO_WARNING on the
private vars for lastprivate and for linear iterator.
* gcc.dg/gomp/pr72781.c: New test.
From-SVN: r239249
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