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accepted
PR c/81544 - attribute noreturn and warn_unused_result on the same function accepted
PR c/81566 - invalid attribute aligned accepted on functions
gcc/ada/ChangeLog:
PR c/81544
* gcc-interface/utils.c (gnat_internal_attribute_table): Initialize
new member of struct attribute_spec.
gcc/c/ChangeLog:
PR c/81544
* c-decl.c (c_decl_attributes): Look up existing declaration and
pass it to decl_attributes.
gcc/c-family/ChangeLog:
PR c/81544
PR c/81566
* c-attribs.c (attr_aligned_exclusions): New array.
(attr_alloc_exclusions, attr_cold_hot_exclusions): Same.
(attr_common_exclusions, attr_const_pure_exclusions): Same.
(attr_gnu_inline_exclusions, attr_inline_exclusions): Same.
(attr_noreturn_exclusions, attr_returns_twice_exclusions): Same.
(attr_warn_unused_result_exclusions): Same.
(handle_hot_attribute, handle_cold_attribute): Simplify.
(handle_const_attribute): Warn on function returning void.
(handle_pure_attribute): Same.
(handle_aligned_attribute): Diagnose conflicting attribute
specifications.
* c-warn.c (diagnose_mismatched_attributes): Simplify.
gcc/cp/ChangeLog:
PR c/81544
* cp-tree.h (decls_match): Add default argument.
* decl.c (decls_match): Avoid calling into the target back end
and triggering an error.
* decl2.c (cplus_decl_attributes): Look up existing declaration and
pass it to decl_attributes.
* tree.c (cxx_attribute_table): Initialize new member of struct
attribute_spec.
gcc/fortran/ChangeLog:
PR c/81544
* f95-lang.c (gfc_attribute_table): Initialize new member of struct
attribute_spec.
gcc/lto/ChangeLog:
PR c/81544
* lto-lang.c (lto_attribute_table): Initialize new member of struct
attribute_spec.
gcc/ChangeLog:
PR c/81544
* attribs.c (empty_attribute_table): Initialize new member of
struct attribute_spec.
(decl_attributes): Add argument. Handle mutually exclusive
combinations of attributes.
(selftests::test_attribute_exclusions): New function.
(selftests::attribute_c_tests): Ditto.
* attribs.h (decl_attributes): Add default argument.
* selftest.h (attribute_c_tests): Declare.
* selftest-run-tests.c (selftest::run_tests): Call attribute_c_tests.
* tree-core.h (attribute_spec::exclusions, exclude): New type and
member.
* doc/extend.texi (Common Function Attributes): Update const and pure.
gcc/testsuite/ChangeLog:
PR c/81544
* c-c++-common/Wattributes-2.c: New test.
* c-c++-common/Wattributes.c: New test.
* c-c++-common/attributes-3.c: Adjust.
* gcc.dg/Wattributes-6.c: New test.
* gcc.dg/Wattributes-7.c: New test.
* gcc.dg/attr-noinline.c
* gcc.dg/pr44964.c: Same.
* gcc.dg/torture/pr42363.c: Same.
* gcc.dg/tree-ssa/ssa-ccp-2.c: Same.
From-SVN: r255469
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PR c++/80259
* decl2.c (grokfield): Diagnose = delete redefinition of a friend.
* g++.dg/cpp0x/pr80259.C: New test.
From-SVN: r255456
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* call.c (convert_for_arg_passing): Pass NULL_TREE to
targetm.calls.promote_prototypes.
(type_passed_as): Likewise.
From-SVN: r255455
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* pt.c (value_dependent_expression_p): Add lval parameter. Don't
consider DECL_INITIAL if it's true.
From-SVN: r255454
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gcc/c-family/ChangeLog:
PR c/83236
* c-common.c (selftest::c_family_tests): Call
selftest::c_spellcheck_cc_tests.
* c-common.h (selftest::c_spellcheck_cc_tests): New decl.
* c-spellcheck.cc: Include "selftest.h".
(name_reserved_for_implementation_p): New function.
(should_suggest_as_macro_p): New function.
(find_closest_macro_cpp_cb): Move the check for NT_MACRO to
should_suggest_as_macro_p and call it.
(selftest::test_name_reserved_for_implementation_p): New function.
(selftest::c_spellcheck_cc_tests): New function.
* c-spellcheck.h (name_reserved_for_implementation_p): New decl.
gcc/c/ChangeLog:
PR c/83236
* c-decl.c (lookup_name_fuzzy): Don't suggest names that are
reserved for use by the implementation.
gcc/cp/ChangeLog:
PR c/83236
* name-lookup.c (consider_binding_level): Don't suggest names that
are reserved for use by the implementation.
gcc/testsuite/ChangeLog:
PR c/83236
* c-c++-common/spellcheck-reserved.c: New test case.
From-SVN: r255453
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The code for spellchecking macros really belongs in c-family, rather
than in gcc/spellcheck-tree.c, so this patch moves it there.
gcc/ChangeLog:
* Makefile.in (C_COMMON_OBJS): Add c-family/c-spellcheck.o.
* spellcheck-tree.c (find_closest_macro_cpp_cb): Move to
c-family/c-spellcheck.cc.
(best_macro_match::best_macro_match): Likewise.
* spellcheck-tree.h
(struct edit_distance_traits<cpp_hashnode *>): Move to
c-family/c-spellcheck.h.
(class best_macro_match): Likewise.
gcc/c-family/ChangeLog:
* c-spellcheck.cc: New file, taken from macro-handling code in
spellcheck-tree.c.
* c-spellcheck.h: New file, taken from macro-handling code in
spellcheck-tree.h.
gcc/c/ChangeLog:
* c-decl.c: Include "c-family/c-spellcheck.h".
gcc/cp/ChangeLog:
* name-lookup.c: Include "c-family/c-spellcheck.h".
From-SVN: r255452
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* pt.c (unify) [TEMPLATE_PARM_INDEX]: Set processing_template_decl
around call to tsubst.
From-SVN: r255430
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https://gcc.gnu.org/ml/gcc-patches/2017-12/msg00242.html
PR c++/83287
* tree.c (build_min): Check CAST_EXPR arg for OVERLOADs.
* g++.dg/lookup/pr83287.C: New.
From-SVN: r255429
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gcc/
* doc/invoke.texi: Document the options.
* flag-types.h (enum sanitize_code): Add
SANITIZE_POINTER_COMPARE and SANITIZE_POINTER_SUBTRACT.
* ipa-inline.c (sanitize_attrs_match_for_inline_p): Add handling
of SANITIZE_POINTER_COMPARE and SANITIZE_POINTER_SUBTRACT.
* opts.c: Define new sanitizer options.
* sanitizer.def (BUILT_IN_ASAN_POINTER_COMPARE): Likewise.
(BUILT_IN_ASAN_POINTER_SUBTRACT): Likewise.
gcc/c/
* c-typeck.c (pointer_diff): Add new argument and instrument
pointer subtraction.
(build_binary_op): Similar for pointer comparison.
gcc/cp/
* typeck.c (pointer_diff): Add new argument and instrument
pointer subtraction.
(cp_build_binary_op): Create compound expression if doing an
instrumentation.
gcc/testsuite/
* c-c++-common/asan/pointer-compare-1.c: New test.
* c-c++-common/asan/pointer-compare-2.c: New test.
* c-c++-common/asan/pointer-subtract-1.c: New test.
* c-c++-common/asan/pointer-subtract-2.c: New test.
* c-c++-common/asan/pointer-subtract-3.c: New test.
* c-c++-common/asan/pointer-subtract-4.c: New test.
libsanitizer/
* asan/asan_descriptions.cc: Cherry-pick upstream r319668.
* asan/asan_descriptions.h: Likewise.
* asan/asan_report.cc: Likewise.
* asan/asan_thread.cc: Likewise.
* asan/asan_thread.h: Likewise.
Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
From-SVN: r255404
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if -O0 or if -fsanitize=unreachable.
* cp-gimplify.c (cp_maybe_instrument_return): Don't add
__builtin_unreachable if -O0 or if -fsanitize=unreachable.
* g++.dg/missing-return.C: Add -O to dg-options.
From-SVN: r255403
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* semantics.c (finish_if_stmt_cond): Use require_constant_expression
rather than is_constant_expression.
* constexpr.c (potential_constant_expression_1) [LAMBDA_EXPR]: Allow
in C++17.
From-SVN: r255390
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* name-lookup.c (get_std_name_hint): Add <complex>.
* parser.c (cp_parser_diagnose_invalid_type_name): Call
suggest_alternative_in_explicit_scope.
(cp_parser_namespace_name): Likewise.
From-SVN: r255336
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libcpp/
* expr.c (interpret_float_suffix): Ignore 'i' in C++14 and up.
(interpret_int_suffix): Likewise.
gcc/cp/
* parser.c (cp_parser_userdef_numeric_literal): Be helpful about
'i' in C++14 and up.
From-SVN: r255335
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calls_cilk_spawn fields.
* function.h (struct function): Remove cilk_frame_decl,
is_cilk_function and calls_cilk_spawn fields.
* tree-inline.h (struct copy_body_data): Remove remap_var_for_cilk
field.
* omp-simd-clone.c (simd_clone_clauses_extract): Don't clear
cilk_elemental field.
* cgraph.h (struct cgraph_simd_clone): Remove cilk_elemental field.
* target.def: Adjust comment.
* config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
Don't test cilk_elemental.
c-family/
* c-attribs.c (c_common_attribute_table): Remove "cilk simd function"
attribute.
(handle_simd_attribute): Don't check for "cilk simd function"
attribute. Reindent, formatting changes.
cp/
* parser.c (cp_parser_new): Don't clear cilk_simd_fn_info.
(parsing_nsdmi): Adjust comment.
(cp_parser_omp_for_loop_init): Likewise.
* parser.h (struct cp_omp_declare_simd_data): Adjust comment.
(struct cp_parser): Remove cilk_simd_fn_info field.
* cp-tree.h (cilk_valid_spawn): Remove.
From-SVN: r255300
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PR c/79153
* tree.h (SWITCH_BREAK_LABEL_P): Define.
* gimplify.c (collect_fallthrough_labels): Handle GIMPLE_BIND
starting with a GIMPLE_SWITCH and ending with GIMPLE_LABEL with
SWITCH_BREAK_LABEL_P set on the label.
(gimplify_switch_expr): Set SWITCH_BREAK_LABEL_P on the label
added for default case if it was missing and not all cases covered.
Wrap GIMPLE_SWITCH and the switch_body_seq into a GIMPLE_BIND if
switch_body_seq ends with a GIMPLE_LABEL with SWITCH_BREAK_LABEL_P
set on the label.
* tree-chrec.c (evolution_function_is_univariate_p): Add return true;
to avoid -Wimplicit-fallthrough warning.
* config/i386/i386.c (ix86_expand_special_args_builtin): Add
FALLTHRU comment to avoid -Wimplicit-fallthrough warning.
c/
* c-parser.c: Include tree-iterator.h.
(c_parser_switch_statement): Emit LABEL_EXPR for the break label
into SWITCH_BODY instead of after it and set SWITCH_BREAK_LABEL_P
on it.
cp/
* cp-gimplify.c (genericize_switch_stmt): Emit LABEL_EXPR for the
break label into SWITCH_BODY instead of after it and set
SWITCH_BREAK_LABEL_P on it.
* parser.c (cp_parser_objc_expression): Add FALLTHRU comment to avoid
-Wimplicit-fallthrough warning.
fortran/
* match.c (gfc_match): Add FALLTHRU comment to avoid
-Wimplicit-fallthrough warning.
testsuite/
* c-c++-common/Wimplicit-fallthrough-7.c: Adjust expected warning
line.
* c-c++-common/Wimplicit-fallthrough-36.c: New test.
From-SVN: r255298
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* pt.c (tsubst_copy_and_build) [STATIC_CAST_EXPR]: Suppress
-Wignored-qualifiers.
From-SVN: r255279
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gcc/cp/ChangeLog:
* parser.c (cp_parser_unary_expression): Generate a location for
"noexcept".
(cp_parser_trait_expr): Generate and return a location_t,
converting the return type from tree to cp_expr.
(cp_parser_static_assert): Pass location of the condition to
finish_static_assert, rather than that of the "static_assert"
token, where available.
gcc/testsuite/ChangeLog:
* g++.dg/cpp1y/static_assert3.C: New test case.
libstdc++-v3/ChangeLog:
* testsuite/20_util/duration/literals/range.cc: Update expected
line of a static_assert failure.
From-SVN: r255255
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/cp
2017-11-29 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/82293
* lambda.c (nonlambda_method_basetype): Don't use LAMBDA_TYPE_P
on a null type.
/testsuite
2017-11-29 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/82293
* g++.dg/cpp0x/lambda/lambda-ice24.C: New.
From-SVN: r255254
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* call.c (build_operator_new_call): Update *args if we add the
align_arg.
From-SVN: r255253
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warning)
PR sanitizer/81275
* cp-tree.h (SWITCH_STMT_ALL_CASES_P): Define.
(SWITCH_STMT_NO_BREAK_P): Define.
(note_break_stmt, note_iteration_stmt_body_start,
note_iteration_stmt_body_end): Declare.
* decl.c (struct cp_switch): Add has_default_p, break_stmt_seen_p
and in_loop_body_p fields.
(push_switch): Clear them.
(pop_switch): Set SWITCH_STMT_CANNOT_FALLTHRU_P if has_default_p
and !break_stmt_seen_p. Assert in_loop_body_p is false.
(note_break_stmt, note_iteration_stmt_body_start,
note_iteration_stmt_body_end): New functions.
(finish_case_label): Set has_default_p when both low and high
are NULL_TREE.
* parser.c (cp_parser_iteration_statement): Use
note_iteration_stmt_body_start and note_iteration_stmt_body_end
around parsing iteration body.
* pt.c (tsubst_expr): Likewise.
* cp-objcp-common.c (cxx_block_may_fallthru): Return false for
SWITCH_STMT which contains no BREAK_STMTs, contains a default:
CASE_LABEL_EXPR and where SWITCH_STMT_BODY isn't empty and
can't fallthru.
* semantics.c (finish_break_stmt): Call note_break_stmt.
* cp-gimplify.c (genericize_switch_stmt): Copy SWITCH_STMT_ALL_CASES_P
bit to SWITCH_ALL_CASES_P. Assert that if SWITCH_STMT_NO_BREAK_P then
the break label is not TREE_USED.
* g++.dg/warn/pr81275-1.C: New test.
* g++.dg/warn/pr81275-2.C: New test.
* g++.dg/warn/pr81275-3.C: New test.
* c-c++-common/tsan/pr81275.c: Skip for C++ and -O2.
From-SVN: r255218
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* Makefile.def (target_modules): Remove libcilkrts.
* Makefile.in: Ditto.
* configure: Ditto.
* configure.ac: Ditto.
contrib/
* contrib/gcc_update: Ditto.
gcc/
* Makefile.in (cilkplus.def, cilk-builtins.def, c-family/cilk.o,
c-family/c-cilkplus.o, c-family/array-notation-common.o,
cilk-common.o, cilk.h, cilk-common.c): Remove.
* builtin-types.def
(BT_FN_INT_PTR_PTR_PTR_FTYPE_BT_INT_BT_PTR_BT_PTR_BT_PTR): Remove.
* builtins.c (is_builtin_name): Remove cilkplus condition.
(BUILT_IN_CILK_DETACH, BUILT_IN_CILK_POP_FRAME): Remove.
* builtins.def (DEF_CILK_BUILTIN_STUB, DEF_CILKPLUS_BUILTIN,
cilk-builtins.def, cilkplus.def): Remove.
* cif-code.def (CILK_SPAWN): Remove.
* cilk-builtins.def: Delete.
* cilk-common.c: Ditto.
* cilk.h: Ditto.
* cilkplus.def: Ditto.
* config/darwin.h (fcilkplus): Delete.
* cppbuiltin.c: Ditto.
* doc/extend.texi: Remove cilkplus doc.
* doc/generic.texi: Ditto.
* doc/invoke.texi: Ditto.
* doc/passes.texi: Ditto.
* gcc.c (fcilkplus): Remove.
* gengtype.c (cilk.h): Remove.
* gimple-pretty-print.c (dump_gimple_omp_for): Remove cilkplus support.
* gimple.h (GF_OMP_FOR_KIND_CILKFOR, GF_OMP_FOR_KIND_CILKSIMD): Remove.
* gimplify.c (gimplify_return_expr, maybe_fold_stmt,
gimplify_call_expr, is_gimple_stmt, gimplify_modify_expr,
gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses,
gimplify_omp_for, gimplify_expr): Remove cilkplus conditions.
* ipa-fnsummary.c (ipa_dump_fn_summary, compute_fn_summary,
inline_read_section): Ditto.
* ipa-inline-analysis.c (cilk.h): Remove.
* ira.c (ira_setup_eliminable_regset): Remove cilkplus support.
* lto-wrapper.c (merge_and_complain, append_compiler_options,
append_linker_options): Remove condition for fcilkplus.
* lto/lto-lang.c (cilk.h): Remove.
(lto_init): Remove condition for fcilkplus.
* omp-expand.c (expand_cilk_for_call): Delete.
(expand_omp_taskreg, expand_omp_for_static_chunk,
expand_omp_for): Remove cilkplus
conditions.
(expand_cilk_for): Delete.
* omp-general.c (omp_extract_for_data): Remove cilkplus support.
* omp-low.c (scan_sharing_clauses, create_omp_child_function,
execute_lower_omp, diagnose_sb_0): Ditto.
* omp-simd-clone.c (simd_clone_clauses_extract): Ditto.
* tree-core.h (OMP_CLAUSE__CILK_FOR_COUNT_): Delete.
* tree-nested.c: Ditto.
* tree-pretty-print.c (dump_omp_clause): Remove cilkplus support.
(dump_generic_node): Ditto.
* tree.c (OMP_CLAUSE__CILK_FOR_COUNT_): Delete.
* tree.def (cilk_simd, cilk_for, cilk_spawn_stmt,
cilk_sync_stmt): Delete.
* tree.h (CILK_SPAWN_FN, EXPR_CILK_SPAWN): Delete.
gcc/c-family/
* array-notation-common.c: Delete.
* c-cilkplus.c: Ditto.
* c-common.c (_Cilk_spawn, _Cilk_sync, _Cilk_for): Remove.
* c-common.def (ARRAY_NOTATION_REF): Remove.
* c-common.h (RID_CILK_SPAWN, build_array_notation_expr,
build_array_notation_ref, C_ORT_CILK, c_check_cilk_loop,
c_validate_cilk_plus_loop, cilkplus_an_parts,
cilk_ignorable_spawn_rhs_op,
cilk_recognize_spawn): Remove.
* c-gimplify.c (CILK_SPAWN_STMT): Remove.
* c-omp.c: Remove CILK_SIMD check.
* c-pragma.c: Ditto.
* c-pragma.h: Remove CILK related pragmas.
* c-pretty-print.c (c_pretty_printer::postfix_expression): Remove
ARRAY_NOTATION_REF condition.
(c_pretty_printer::expression): Ditto.
* c.opt (fcilkplus): Remove.
* cilk.c: Delete.
gcc/c/
* Make-lang.in (c/c-array-notation.o): Remove.
* c-array-notation.c: Delete.
* c-decl.c: Remove cilkplus condition.
* c-parser.c (c_parser_cilk_simd, c_parser_cilk_for,
c_parser_cilk_verify_simd, c_parser_array_notation,
c_parser_cilk_clause_vectorlength, c_parser_cilk_grainsize,
c_parser_cilk_simd_fn_vector_attrs,
c_finish_cilk_simd_fn_tokens): Delete.
(c_parser_declaration_or_fndef): Remove cilkplus condition.
(c_parser_direct_declarator_inner): Ditto.
(CILK_SIMD_FN_CLAUSE_MASK): Delete.
(c_parser_attributes, c_parser_compound_statement,
c_parser_statement_after_labels, c_parser_if_statement,
c_parser_switch_statement, c_parser_while_statement,
c_parser_do_statement, c_parser_for_statement,
c_parser_unary_expression, c_parser_postfix_expression,
c_parser_postfix_expression_after_primary,
c_parser_pragma, c_parser_omp_clause_name, c_parser_omp_all_clauses,
c_parser_omp_for_loop,
c_finish_omp_declare_simd): Remove cilkplus support.
* c-typeck.c (build_array_ref, build_function_call_vec,
convert_arguments, lvalue_p, build_compound_expr, c_finish_return,
c_finish_if_stmt, c_finish_loop,
build_binary_op): Remove cilkplus support.
gcc/cp/
* Make-lang.in (cp/cp-array-notation.o, cp/cp-cilkplus.o): Delete.
* call.c (convert_for_arg_passing, build_cxx_call): Remove cilkplus.
* constexpr.c (potential_constant_expression_1): Ditto.
* cp-array-notation.c: Delete.
* cp-cilkplus.c: Ditto.
* cp-cilkplus.h: Ditto.
* cp-gimplify.c (cp_gimplify_expr, cp_fold_r, cp_genericize): Remove
cilkplus condition.
* cp-objcp-common.c (ARRAY_NOTATION_REF): Delete.
* cp-tree.h (cilkplus_an_triplet_types_ok_p): Delete.
* decl.c (grokfndecl, finish_function): Remove cilkplus condition.
* error.c (dump_decl, dump_expr): Remove ARRAY_NOTATION_REF condition.
* lambda.c (cp-cilkplus.h): Remove.
* parser.c (cp_parser_cilk_simd, cp_parser_cilk_for,
cp_parser_cilk_simd_vectorlength): Delete.
(cp_debug_parser, cp_parser_ctor_initializer_opt_and_function_body,
cp_parser_postfix_expression, cp_parser_postfix_open_square_expression,
cp_parser_statement, cp_parser_jump_statement,
cp_parser_direct_declarator,
cp_parser_late_return_type_opt, cp_parser_gnu_attribute_list,
cp_parser_omp_clause_name, cp_parser_omp_clause_aligned,
cp_parser_omp_clause_linear, cp_parser_omp_all_clauses,
cp_parser_omp_flush, cp_parser_omp_for_cond, cp_parser_omp_for_incr,
cp_parser_omp_for_loop_init, cp_parser_omp_for_loop,
cp_parser_omp_declare_simd): Remove cilkplus support.
(CILK_SIMD_FN_CLAUSE_MASK, cp_parser_late_parsing_cilk_simd_fn_info,
cp_parser_cilk_grainsize): Remove.
(cp_parser_pragma, c_parse_file): Remove cilkplus support.
(cp_parser_cilk_simd_vectorlength, cp_parser_cilk_simd_linear,
cp_parser_cilk_simd_clause_name, cp_parser_cilk_simd_all_clauses,
cp_parser_cilk_simd, cp_parser_cilk_for): Remove.
* parser.h (IN_CILK_SIMD_FOR, IN_CILK_SPAWN): Remove.
* pt.c (tsubst_attribute, tsubst_expr, tsubst_copy_and_build): Remove
cilkplus support.
* semantics.c (finish_goto_stmt, begin_while_stmt, finish_do_body,
finish_init_stmt, finish_switch_cond, simplify_aggr_init_expr,
finish_omp_clauses, finish_omp_clauses,
finish_omp_for): Remove cilkplus support.
* tree.c (lvalue_kind): Remove ARRAY_NOTATION_REF conditon.
* typeck.c (cp_build_array_ref, cp_build_compound_expr,
check_return_expr): Remove cilkplus support.
gcc/testsuite/
* c-c++-common/attr-simd-3.c: Delete.
* c-c++-common/cilk-plus/AN/an-if.c: Delete.
* c-c++-common/cilk-plus/AN/array_test1.c: Delete.
* c-c++-common/cilk-plus/AN/array_test2.c: Delete.
* c-c++-common/cilk-plus/AN/array_test_ND.c: Delete.
* c-c++-common/cilk-plus/AN/builtin_fn_custom.c: Delete.
* c-c++-common/cilk-plus/AN/builtin_fn_mutating.c: Delete.
* c-c++-common/cilk-plus/AN/builtin_func_double.c: Delete.
* c-c++-common/cilk-plus/AN/builtin_func_double2.c: Delete.
* c-c++-common/cilk-plus/AN/comma_exp.c: Delete.
* c-c++-common/cilk-plus/AN/conditional.c: Delete.
* c-c++-common/cilk-plus/AN/decl-ptr-colon.c: Delete.
* c-c++-common/cilk-plus/AN/dimensionless-arrays.c: Delete.
* c-c++-common/cilk-plus/AN/exec-once.c: Delete.
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Co-Authored-By: Sebastian Peryt <sebastian.peryt@intel.com>
From-SVN: r255195
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|
* tree.def (SWITCH_EXPR): Change from 3 operand to 2 operand tree.
Adjust comment.
* tree.h (SWITCH_LABELS): Remove.
* gimplify.c (gimplify_switch_expr): Don't test SWITCH_LABELS,
assert SWITCH_BODY is non-NULL.
* tree-pretty-print.c (dump_generic_node): Remove SWITCH_LABELS
handling.
* tree.c (block_may_fallthru): Always return true; for SWITCH_EXPR.
c/
* c-typeck.c (c_start_case): Build SWITCH_EXPR using build2 instead
of build3.
cp/
* cp-gimplify.c (genericize_switch_stmt): Build SWITCH_EXPR using
build2_loc instead of build3_loc.
ada/
* gcc-interface/trans.c (Case_Statement_to_gnu): Build SWITCH_EXPR
using build2 instead of build3.
jit/
* jit-playback.c (add_switch): Build SWITCH_EXPR using build2 instead
of build3. Formatting fixes. Adjust funciton comment.
fortran/
* trans-decl.c (gfc_trans_entry_master_switch): Build SWITCH_EXPR
using fold_build2_loc instead of fold_build3_loc.
* trans-io.c (io_result): Likewise.
* trans-stmt.c (gfc_trans_integer_select, gfc_trans_character_select):
Likewise.
go/
* go-gcc.cc (Gcc_backend::switch_statement): Build SWITCH_EXPR using
build2_loc instead of build3_loc.
brig/
* brigfrontend/brig-branch-inst-handler.cc
(brig_branch_inst_handler::operator): Build SWITCH_EXPR using build2
instead of build3.
From-SVN: r255192
|
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warn_placement_new_too_small
gcc/cp/ChangeLog:
PR c++/83058
* init.c (warn_placement_new_too_small): Use offset_int instead of
HOST_WIDE_INT.
gcc/testsuite/ChangeLog:
PR c++/83058
* g++.dg/warn/Wplacement-new-size-5.C: New test.
From-SVN: r255182
|
|
PR c++/81888
* parser.c (cp_parser_decomposition_declaration): Reject just
BRACE_ENCLOSED_INITIALIZER_P initializers with nelts != 1 rather
than all such CONSTRUCTORs, and only if is_direct_init is true.
* g++.dg/cpp1z/decomp30.C: Add a test for structured binding with
= {} and = { a, a } initializers.
* g++.dg/cpp1z/decomp31.C: New test.
From-SVN: r255180
|
|
* pt.c (primary_template_specialization_p): Rename from
primary_template_instantiation_p. Don't check
DECL_TEMPLATE_INSTANTIATION.
* call.c, cp-tree.h, decl2.c: Adjust.
From-SVN: r255179
|
|
PR c++/81675
* cp-gimplify.c (cp_fold) <case COND_EXPR>: Don't return immediately
for VOID_TYPE_P COND_EXPRs, instead fold the operands and if op0 is
INTEGER_CST, ensure that both op1 and op2 are non-NULL and fall
through into normal folding, otherwise just rebuild x if any op
changed.
* g++.dg/warn/pr81675.C: New test.
From-SVN: r255167
|
|
config/ChangeLog:
2017-11-14 Boris Kolpackov <boris@codesynthesis.com>
* gcc-plugin.m4: Add support for MinGW.
gcc/ChangeLog:
2017-11-14 Boris Kolpackov <boris@codesynthesis.com>
* plugin.c (add_new_plugin): Use platform-specific library extensions.
(try_init_one_plugin): Alternative implementation for MinGW.
* Makefile.in (plugin_implib): New.
(gengtype-lex.c): Fix broken AIX workaround.
* configure: Regenerate.
* doc/plugins.texi: Document support for MinGW.
gcc/c/ChangeLog:
2017-11-14 Boris Kolpackov <boris@codesynthesis.com>
* Make-lang.in (c.install-plugin): Install backend import library.
gcc/cp/ChangeLog:
2017-11-14 Boris Kolpackov <boris@codesynthesis.com>
* Make-lang.in (c++.install-plugin): Install backend import library.
libcc1/ChangeLog:
2017-11-14 Boris Kolpackov <boris@codesynthesis.com>
* configure: Regenerate.
From-SVN: r255154
|
|
return true for declare simd.
* parser.c (cp_parser_omp_declare): Change return type to bool from
void, return true for declare simd.
(cp_parser_pragma): Return cp_parser_omp_declare returned value
rather than always false.
From-SVN: r255117
|
|
* doc/generic.texi (ANNOTATE_EXPR): Document 3rd operand.
* cfgloop.h (struct loop): Add unroll field.
* function.h (struct function): Add has_unroll bitfield.
* gimplify.c (gimple_boolify) <ANNOTATE_EXPR>: Deal with unroll kind.
(gimplify_expr) <ANNOTATE_EXPR>: Propagate 3rd operand.
* loop-init.c (pass_loop2::gate): Return true if cfun->has_unroll.
(pass_rtl_unroll_loops::gate): Likewise.
* loop-unroll.c (decide_unrolling): Tweak note message. Skip loops
for which loop->unroll==1.
(decide_unroll_constant_iterations): Use note for consistency and
take loop->unroll into account. Return early if loop->unroll is set.
Fix thinko in existing test.
(decide_unroll_runtime_iterations): Use note for consistency and
take loop->unroll into account.
(decide_unroll_stupid): Likewise.
* lto-streamer-in.c (input_cfg): Read loop->unroll.
* lto-streamer-out.c (output_cfg): Write loop->unroll.
* tree-cfg.c (replace_loop_annotate_in_block) <annot_expr_unroll_kind>:
New case.
(replace_loop_annotate) <annot_expr_unroll_kind>: Likewise.
(print_loop): Print loop->unroll if set.
* tree-core.h (enum annot_expr_kind): Add annot_expr_unroll_kind.
* tree-inline.c (copy_loops): Copy unroll and set cfun->has_unroll.
* tree-pretty-print.c (dump_generic_node) <annot_expr_unroll_kind>:
New case.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Bail out if
loop->unroll is set and smaller than the trip count. Otherwise bypass
entirely the heuristics if loop->unroll is set. Remove dead note.
Fix off-by-one bug in other note.
(try_peel_loop): Bail out if loop->unroll is set. Fix formatting.
(tree_unroll_loops_completely_1): Force unrolling if loop->unroll
is greater than 1.
(tree_unroll_loops_completely): Make static.
(pass_complete_unroll::execute): Use correct type for variable.
(pass_complete_unrolli::execute): Fix formatting.
* tree.def (ANNOTATE_EXPR): Add 3rd operand.
ada/
* gcc-interface/trans.c (gnat_gimplify_stmt) <LOOP_STMT>: Pass 3rd
operand to ANNOTATE_EXPR and also pass unrolling hints.
c/
* c-parser.c (c_parser_while_statement): Pass 3rd operand to
ANNOTATE_EXPR.
(c_parser_do_statement): Likewise.
(c_parser_for_statement): Likewise.
cp/
* pt.c (tsubst_expr) <ANNOTATE_EXPR>: Recurse on 3rd operand.
* semantics.c (finish_while_stmt_cond): Pass 3rd operand to
ANNOTATE_EXPR.
(finish_do_stmt): Likewise.
(finish_for_cond): Likewise.
fortran/
* trans-stmt.c (gfc_trans_forall_loop): Pass 3rd operand to
ANNOTATE_EXPR.
From-SVN: r255106
|
|
insert_late_enum_def_bindings on an invalid code)
PR c++/82401
* name-lookup.c (member_name_cmp): Return 0 if a == b.
* g++.dg/cpp0x/pr82401.C: New test.
From-SVN: r255084
|
|
PR 62170 describes a problem with how the quoting in pp_format
interacts with the "aka" information for typedefs in %qT for
the C family of frontends, and also now for %qH and %qI in the
C++ frontend: we print:
'Py_ssize_t* {aka int*}'
^^^^^^^^^^^^^^^^^^^^^^ colorized as "quote"
i.e.
'[START_COLOR]Py_ssize_t* {aka int*}[END_COLOR]'
when we should print:
'Py_ssize_t*' {aka 'int*'}
^^^^^^^^^^^ ^^^^ colorized as "quote"
i.e.
'[START_COLOR]Py_ssize_t*[END_COLOR]' {aka '[START_COLOR]int*[END_COLOR]'}
where the opening and closing quote characters and colorization are
added by the 'q' handling within pp_format.
This patch fixes the quoting by updating the %T handling in C and C++
and the %H/%I handling in C++ to insert the quoting appropriately.
It converts the "quote" param of the pp_format_decoder callback from
bool to bool *, allowing for the %T and %H/%I handlers to write
false back to it, to avoid printing the closing quote for the cases
like the above where the trailing closing quote isn't needed.
It introduces pp_begin_quote/pp_end_quote to simplify this. These
take a "bool show_color", rather than using "pp_show_color (pp)"
since cxx_pp's pp_show_color isn't currently initialized (since
cxx_initialize_diagnostics happens before diagnostic_color_init).
gcc/c/ChangeLog:
PR c++/62170
* c-objc-common.c (c_tree_printer): Convert penultimate param from
bool to bool *. Within '%T' handling, if showing an "aka", use
"quoted" param to add appropriate quoting.
gcc/cp/ChangeLog:
PR c++/62170
* error.c (type_to_string): Add leading comment. Add params
"postprocessed", "quote", and "show_color", using them to fix
quoting of the "aka" for types involving typedefs.
(arg_to_string): Update for new params to type_to_string.
(cxx_format_postprocessor::handle): Likewise.
(cp_printer): Convert penultimate param from bool to bool *.
Update call to type_to_string and calls to
defer_phase_2_of_type_diff.
gcc/fortran/ChangeLog:
PR c++/62170
* error.c (gfc_notify_std): Convert "quoted" param from bool to
bool *.
gcc/ChangeLog:
PR c++/62170
* pretty-print.c (pp_format): Move quoting implementation to
pp_begin_quote and pp_end_quote. Update pp_format_decoder call
to pass address of "quote" local.
(pp_begin_quote): New function.
(pp_end_quote): New function.
* pretty-print.h (printer_fn): Convert penultimate param from bool
to bool *.
(pp_begin_quote): New decl.
(pp_end_quote): New decl.
* tree-diagnostic.c (default_tree_printer): Convert penultimate
param from bool to bool *.
* tree-diagnostic.h (default_tree_printer): Likewise.
gcc/testsuite/ChangeLog:
PR c++/62170
* g++.dg/diagnostic/aka1.C: Update expected error messages to
reflect fixes to quoting.
* g++.dg/diagnostic/aka2.C: New test case.
* g++.dg/parse/error55.C: Update expected error messages to
reflect fixes to quoting.
* gcc.dg/diag-aka-1.c: Likewise.
* gcc.dg/diag-aka-2.c: New test case.
* gcc.dg/pr13804-1.c: Update expected error messages to reflect
fixes to quoting.
* gcc.dg/pr56980.c: Likewise.
* gcc.dg/pr65050.c: Likewise.
* gcc.dg/redecl-14.c: Likewise.
* gcc.dg/utf16-4.c Likewise.
* gcc.target/i386/sse-vect-types.c (__m128d): Likewise.
* obj-c++.dg/invalid-type-1.mm: Likewise.
* objc.dg/proto-lossage-4.m: Likewise.
From-SVN: r255076
|
|
PR c++/60336
PR middle-end/67239
PR target/68355
* c-decl.c (grokdeclarator): Set DECL_PADDING_P on unnamed bit-fields.
* class.c (layout_class_type): Set DECL_PADDING_P on padding.
* decl.c (cxx_init_decl_processing): Set TRANSLATION_UNIT_WARN_EMPTY_P.
(grokdeclarator): Set DECL_PADDING_P on unnamed bit-fields.
* lto.c (compare_tree_sccs_1): Compare TYPE_EMPTY_P and DECL_PADDING_P.
* calls.c (initialize_argument_information): Call
warn_parameter_passing_abi target hook.
(store_one_arg): Use 0 for empty record size. Don't push 0 size
argument onto stack.
(must_pass_in_stack_var_size_or_pad): Return false for empty types.
* common.opt: Update -fabi-version description.
* config/i386/i386.c (init_cumulative_args): Set cum->warn_empty.
(ix86_gimplify_va_arg): Call arg_int_size_in_bytes instead of
int_size_in_bytes.
(ix86_is_empty_record): New function.
(ix86_warn_parameter_passing_abi): New function.
(TARGET_EMPTY_RECORD_P): Redefine.
(TARGET_WARN_PARAMETER_PASSING_ABI): Redefine.
* config/i386/i386.h (CUMULATIVE_ARGS): Add warn_empty.
* doc/tm.texi: Regenerated.
* doc/tm.texi.in (TARGET_EMPTY_RECORD_P,
TARGET_WARN_PARAMETER_PASSING_ABI): Add.
* dwarf2out.c (get_ultimate_context): Move to tree.c.
* explow.c (hard_function_value): Call arg_int_size_in_bytes
instead of int_size_in_bytes.
* expr.c (copy_blkmode_to_reg): Likewise.
* function.c (aggregate_value_p): Return 0 for empty types.
(assign_parm_find_entry_rtl): Call warn_parameter_passing_abi target hook.
(locate_and_pad_parm): Call arg size_in_bytes instead
size_in_bytes.
* lto-streamer-out.c (hash_tree): Hash TYPE_EMPTY_P and DECL_PADDING_P.
* stor-layout.c (finalize_type_size): Set TYPE_EMPTY_P.
* target.def (empty_record_p, warn_parameter_passing_abi): New target
hooks.
* targhooks.c (hook_void_CUMULATIVE_ARGS_tree): New hook.
(std_gimplify_va_arg_expr): Skip empty records. Call
arg_size_in_bytes instead size_in_bytes.
* targhooks.h (hook_void_CUMULATIVE_ARGS_tree): Declare.
* tree-core.h (tree_type_common): Add empty_flag.
(tree_decl_common): Update comments.
* tree-streamer-in.c (unpack_ts_decl_common_value_fields): Stream
DECL_PADDING_P.
(unpack_ts_type_common_value_fields): Stream TYPE_EMPTY_P.
* tree-streamer-out.c (pack_ts_decl_common_value_fields): Stream
DECL_PADDING_P.
(pack_ts_type_common_value_fields): Stream TYPE_EMPTY_P.
* tree.c (default_is_empty_type): New function.
(default_is_empty_record): New function.
(arg_int_size_in_bytes): New function.
(arg_size_in_bytes): New function.
(get_ultimate_context): New function.
* tree.h: Define TYPE_EMPTY_P, DECL_PADDING_P and
TRANSLATION_UNIT_WARN_EMPTY_P.
(default_is_empty_record, arg_int_size_in_bytes,
arg_size_in_bytes, get_ultimate_context): Declare.
* g++.dg/abi/empty12.C: New test.
* g++.dg/abi/empty12.h: New test.
* g++.dg/abi/empty12a.c: New test.
* g++.dg/abi/empty13.C: New test.
* g++.dg/abi/empty13.h: New test.
* g++.dg/abi/empty13a.c: New test.
* g++.dg/abi/empty14.C: New test.
* g++.dg/abi/empty14.h: New test.
* g++.dg/abi/empty14a.c: New test.
* g++.dg/abi/empty15.C: New test.
* g++.dg/abi/empty15.h: New test.
* g++.dg/abi/empty15a.c: New test.
* g++.dg/abi/empty16.C: New test.
* g++.dg/abi/empty16.h: New test.
* g++.dg/abi/empty16a.c: New test.
* g++.dg/abi/empty17.C: New test.
* g++.dg/abi/empty17.h: New test.
* g++.dg/abi/empty17a.c: New test.
* g++.dg/abi/empty18.C: New test.
* g++.dg/abi/empty18.h: New test.
* g++.dg/abi/empty18a.c: New test.
* g++.dg/abi/empty19.C: New test.
* g++.dg/abi/empty19.h: New test.
* g++.dg/abi/empty19a.c: New test.
* g++.dg/abi/empty20.C: New test.
* g++.dg/abi/empty21.C: New test.
* g++.dg/abi/empty22.C: New test.
* g++.dg/abi/empty22.h: New test.
* g++.dg/abi/empty22a.c: New test.
* g++.dg/abi/empty23.C: New test.
* g++.dg/abi/empty24.C: New test.
* g++.dg/abi/empty25.C: New test.
* g++.dg/abi/empty25.h: New test.
* g++.dg/abi/empty25a.c: New test.
* g++.dg/abi/empty26.C: New test.
* g++.dg/abi/empty26.h: New test.
* g++.dg/abi/empty26a.c: New test.
* g++.dg/abi/empty27.C: New test.
* g++.dg/abi/empty28.C: New test.
* g++.dg/abi/pr60336-1.C: New test.
* g++.dg/abi/pr60336-10.C: New test.
* g++.dg/abi/pr60336-11.C: New test.
* g++.dg/abi/pr60336-12.C: New test.
* g++.dg/abi/pr60336-2.C: New test.
* g++.dg/abi/pr60336-3.C: New test.
* g++.dg/abi/pr60336-4.C: New test.
* g++.dg/abi/pr60336-5.C: New test.
* g++.dg/abi/pr60336-6.C: New test.
* g++.dg/abi/pr60336-7.C: New test.
* g++.dg/abi/pr60336-8.C: New test.
* g++.dg/abi/pr60336-9.C: New test.
* g++.dg/abi/pr68355.C: New test.
* g++.dg/lto/pr60336_0.C: New test.
Co-Authored-By: H.J. Lu <hongjiu.lu@intel.com>
Co-Authored-By: Jason Merrill <jason@redhat.com>
From-SVN: r255066
|
|
2017-11-21 Martin Liska <mliska@suse.cz>
* class.c (finalize_literal_type_property): Add quotes for
constexpr keyword.
(explain_non_literal_class): Likewise.
* constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
(is_valid_constexpr_fn): Likewise.
(check_constexpr_ctor_body): Likewise.
(register_constexpr_fundef): Likewise.
(explain_invalid_constexpr_fn): Likewise.
(cxx_eval_builtin_function_call): Likewise.
(cxx_eval_call_expression): Likewise.
(cxx_eval_loop_expr): Likewise.
(potential_constant_expression_1): Likewise.
* decl.c (check_previous_goto_1): Likewise.
(check_goto): Likewise.
(grokfndecl): Likewise.
(grokdeclarator): Likewise.
* error.c (maybe_print_constexpr_context): Likewise.
* method.c (process_subob_fn): Likewise.
(defaulted_late_check): Likewise.
* parser.c (cp_parser_compound_statement): Likewise.
2017-11-21 Martin Liska <mliska@suse.cz>
* g++.dg/cpp0x/constexpr-48089.C: Add quotes for constexpr
keyword; add dg-message for 'in .constexpr. expansion of '.
* g++.dg/cpp0x/constexpr-50060.C: Likewise.
* g++.dg/cpp0x/constexpr-60049.C: Likewise.
* g++.dg/cpp0x/constexpr-70323.C: Likewise.
* g++.dg/cpp0x/constexpr-70323a.C: Likewise.
* g++.dg/cpp0x/constexpr-cast.C: Likewise.
* g++.dg/cpp0x/constexpr-diag3.C: Likewise.
* g++.dg/cpp0x/constexpr-ex1.C: Likewise.
* g++.dg/cpp0x/constexpr-generated1.C: Likewise.
* g++.dg/cpp0x/constexpr-ice16.C: Likewise.
* g++.dg/cpp0x/constexpr-ice5.C: Likewise.
* g++.dg/cpp0x/constexpr-incomplete2.C: Likewise.
* g++.dg/cpp0x/constexpr-neg1.C: Likewise.
* g++.dg/cpp0x/constexpr-recursion.C: Likewise.
* g++.dg/cpp0x/constexpr-shift1.C: Likewise.
* g++.dg/cpp1y/constexpr-70265-1.C: Likewise.
* g++.dg/cpp1y/constexpr-70265-2.C: Likewise.
* g++.dg/cpp1y/constexpr-79655.C: Likewise.
* g++.dg/cpp1y/constexpr-new.C: Likewise.
* g++.dg/cpp1y/constexpr-return2.C: Likewise.
* g++.dg/cpp1y/constexpr-shift1.C: Likewise.
* g++.dg/cpp1y/constexpr-throw.C: Likewise.
* g++.dg/cpp1z/constexpr-lambda6.C: Likewise.
* g++.dg/ext/constexpr-vla1.C: Likewise.
* g++.dg/ext/constexpr-vla2.C: Likewise.
* g++.dg/ext/constexpr-vla3.C: Likewise.
* g++.dg/cpp0x/static_assert10.C: Likewise.
* g++.dg/cpp1y/pr63996.C: Likewise.
* g++.dg/cpp1y/pr68180.C: Likewise.
* g++.dg/cpp1y/pr77830.C: Likewise.
* g++.dg/ubsan/pr63956.C: Likewise.
From-SVN: r255025
|
|
2017-11-21 Marc Glisse <marc.glisse@inria.fr>
gcc/c/
* c-fold.c (c_fully_fold_internal): Handle POINTER_DIFF_EXPR.
* c-typeck.c (pointer_diff): Use POINTER_DIFF_EXPR.
gcc/c-family/
* c-pretty-print.c (pp_c_additive_expression,
c_pretty_printer::expression): Handle POINTER_DIFF_EXPR.
gcc/cp/
* constexpr.c (cxx_eval_constant_expression,
potential_constant_expression_1): Handle POINTER_DIFF_EXPR.
* cp-gimplify.c (cp_fold): Likewise.
* error.c (dump_expr): Likewise.
* typeck.c (pointer_diff): Use POINTER_DIFF_EXPR.
gcc/
* doc/generic.texi: Document POINTER_DIFF_EXPR, update
POINTER_PLUS_EXPR.
* cfgexpand.c (expand_debug_expr): Handle POINTER_DIFF_EXPR.
* expr.c (expand_expr_real_2): Likewise.
* fold-const.c (const_binop, fold_addr_of_array_ref_difference,
fold_binary_loc): Likewise.
* match.pd (X-X, P+(Q-P), &D-P, (P+N)-P, P-(P+N), (P+M)-(P+N),
P-Q==0, -(A-B), X-Z<Y-Z, (X-Z)-(Y-Z), Z-X<Z-Y, (Z-X)-(Z-Y),
(A-B)+(C-A)): New transformations for POINTER_DIFF_EXPR, based on
MINUS_EXPR transformations.
* optabs-tree.c (optab_for_tree_code): Handle POINTER_DIFF_EXPR.
* tree-cfg.c (verify_expr, verify_gimple_assign_binary): Likewise.
* tree-inline.c (estimate_operator_cost): Likewise.
* tree-pretty-print.c (dump_generic_node, op_code_prio,
op_symbol_code): Likewise.
* tree-vect-stmts.c (vectorizable_operation): Likewise.
* vr-values.c (extract_range_from_binary_expr): Likewise.
* varasm.c (initializer_constant_valid_p_1): Likewise.
* tree.def: New tree code POINTER_DIFF_EXPR.
From-SVN: r255021
|
|
P0428R2 - familiar template syntax for generic lambdas
* parser.c (cp_parser_lambda_declarator_opt): Don't pedwarn
for cxx2a and above, reword pedwarn for C++14/C++17.
* g++.dg/cpp1y/lambda-generic-x.C: Adjust warnings and limit
to c++17_down target.
* g++.dg/cpp1y/lambda-generic-dep.C: Likewise.
* g++.dg/cpp1y/lambda-generic-77914.C: Adjust error and limit
to c++17_down target.
* g++.dg/cpp2a/lambda-generic1.C: New test.
* g++.dg/cpp2a/lambda-generic2.C: New test.
* g++.dg/cpp2a/lambda-generic3.C: New test.
* g++.dg/cpp2a/lambda-generic4.C: New test.
* g++.dg/cpp2a/lambda-generic5.C: New test.
From-SVN: r254991
|
|
This patch extends the C frontend's "knowledge" of the C stdlib within
get_c_name_hint to cover some more macros and functions, covering
a case reported in PR c/81404 ("INT_MAX"), so that rather than printing:
t.c:5:12: error: 'INT_MAX' undeclared here (not in a function); did you mean '__INT_MAX__'?
int test = INT_MAX;
^~~~~~~
__INT_MAX__
we instead print:
t.c:5:12: error: 'INT_MAX' undeclared here (not in a function)
int test = INT_MAX;
^~~~~~~
t.c:5:12: note: 'INT_MAX' is defined in header '<limits.h>'; did you forget to '#include <limits.h>'?
t.c:1:1:
+#include <limits.h>
t.c:5:12:
int test = INT_MAX;
^~~~~~~
It also adds generalizes some of the code for this (and for the "std::"
namespace hints in the C++ frontend), moving it to a new
c-family/known-headers.cc and .h, and introducing a class known_headers.
This currently just works by scanning a hardcoded array of known
name/header associations, but perhaps in the future could be turned
into some kind of symbol database so that the compiler could record API
uses and use that to offer suggestions e.g.
foo.cc: error: 'myapi::foo' was not declared in this scope
foo.cc: note: 'myapi::foo" was declared in header 'myapi/private.h'
(included via 'myapi/public.h') when compiling 'bar.cc'; did you forget to
'#include "myapi/public.h"'?
or somesuch.
In any case, moving this to a class gives an easier way to locate the
hardcoded knowledge about the stdlib.
The patch also adds similar code to the C++ frontend covering
unqualified names in the standard library, so that rather than just
e.g.:
t.cc:19:13: error: 'NULL' was not declared in this scope
void *ptr = NULL;
^~~~
we can emit:
t.cc:19:13: error: 'NULL' was not declared in this scope
void *ptr = NULL;
^~~~
t.cc:19:13: note: 'NULL' is defined in header '<cstddef>'; did you forget
to '#include <cstddef>'?
t.cc:1:1:
+#include <cstddef>
t.cc:19:13:
void *ptr = NULL;
^~~~
(Also XFAIL for PR c++/80567 added for the C++ testcase; this is a
separate pre-existing bug exposed by the testcase for PR 81404).
gcc/ChangeLog:
PR c/81404
* Makefile.in (C_COMMON_OBJS): Add c-family/known-headers.o.
gcc/c-family/ChangeLog:
PR c/81404
* known-headers.cc: New file, based on material from c/c-decl.c.
(suggest_missing_header): Copied as-is.
(get_stdlib_header_for_name): New, based on get_c_name_hint but
heavily edited to add C++ support. Add some knowledge about
<limits.h>, <stdint.h>, and <wchar.h>.
* known-headers.h: Likewise.
gcc/c/ChangeLog:
PR c/81404
* c-decl.c: Include "c-family/known-headers.h".
(get_c_name_hint): Rename to get_stdlib_header_for_name and move
to known-headers.cc.
(class suggest_missing_header): Move to known-header.h.
(lookup_name_fuzzy): Call get_c_stdlib_header_for_name rather
than get_c_name_hint.
gcc/cp/ChangeLog:
PR c/81404
* name-lookup.c: Include "c-family/known-headers.h"
(lookup_name_fuzzy): Call get_cp_stdlib_header_for_name and
potentially return a new suggest_missing_header hint.
gcc/testsuite/ChangeLog:
PR c/81404
* g++.dg/spellcheck-stdlib.C: New.
* gcc.dg/spellcheck-stdlib.c (test_INT_MAX): New.
From-SVN: r254980
|
|
This patch uses the name_hint/deferred_diagnostic to provide
a message in the C++ frontend if a macro is used before it is defined
e.g.:
test.c:6:24: error: expected ';' at end of member declaration
virtual void clone() const OVERRIDE { }
^~~~~
;
test.c:6:30: error: 'OVERRIDE' does not name a type
virtual void clone() const OVERRIDE { }
^~~~~~~~
test.c:6:30: note: the macro 'OVERRIDE' had not yet been defined
test.c:15:0: note: it was later defined here
#define OVERRIDE override
It's possible to do it from the C++ frontend as tokenization happens
up-front (and hence the macro already exists when the above is parsed);
I attempted to do it from the C frontend, but because the C frontend only
tokenizes on-demand during parsing, the macro isn't known about until
later.
gcc/cp/ChangeLog:
PR c++/72786
* name-lookup.c (class macro_use_before_def): New class.
(lookup_name_fuzzy): Detect macro that were used before being
defined, and report them as such.
gcc/ChangeLog:
PR c++/72786
* spellcheck.h (best_match::blithely_get_best_candidate): New
accessor.
gcc/testsuite/ChangeLog:
PR c++/72786
* g++.dg/spellcheck-macro-ordering-2.C: New test case.
* g++.dg/spellcheck-macro-ordering.C: Add dg-message directives
for macro used-before-defined.
libcpp/ChangeLog:
PR c++/72786
* include/cpplib.h (cpp_macro_definition_location): New decl.
* macro.c (cpp_macro_definition): New function.
From-SVN: r254978
|
|
* decl2.c (constrain_class_visibility): Don't warn about artificial
fields.
From-SVN: r254973
|
|
P0329R4: Designated Initialization
* parser.c (cp_parser_initializer_clause): List in comment grammar
designated-initializer-list.
(cp_parser_initializer_list): Allow .identifier = without pedwarn for
C++2A, parse .identifier { ... }. Improve location_t argument to
pedwarn. Add pedwarn for [cst] = designators. Diagnose ... in
designated initializer list. Diagnose mixing designated and
non-designated initializer clauses for C++2A. Diagnose duplicated
identifiers in designators.
* name-lookup.h (search_anon_aggr): New declaration.
* name-lookup.c (fields_linear_search): Use search_anon_aggr.
(search_anon_aggr): New function.
* typeck2.c (process_init_constructor_record): Allow designator
to skip over some non-static data members. Handle anonymous
aggregates. Add diagnostics for designator order not matching
member declaration order.
* g++.dg/ext/desig2.C: Adjust comment, no sorry about designator
refering to second member.
(b): New variable and associated expected diagnostic.
* g++.dg/ext/desig4.C: For C++2A expect diagnostics.
* g++.dg/ext/desig5.C: Add dg-do dg-compile and empty dg-options.
* g++.dg/ext/desig8.C: Likewise.
* g++.dg/ext/desig9.C: New test.
* g++.dg/ext/pr27019.C: Don't expect any diagnostics.
* g++.dg/init/error2.C: Adjust expected diagnostics.
* g++.dg/cpp0x/desig1.C: Add dg-options with -pedantic, expect
warning on C99 designators.
* g++.dg/cpp2a/desig1.C: New test.
* g++.dg/cpp2a/desig2.C: New test.
* g++.dg/cpp2a/desig3.C: New test.
* g++.dg/cpp2a/desig4.C: New test.
* g++.dg/cpp2a/desig5.C: New test.
* g++.dg/cpp2a/desig6.C: New test.
From-SVN: r254964
|
|
In various places we use lookup_name_fuzzy to provide a hint,
and can report messages of the form:
error: unknown foo named 'bar'
or:
error: unknown foo named 'bar'; did you mean 'SUGGESTION?
This patch provides a way for lookup_name_fuzzy to provide
both the suggestion above, and (optionally) additional hints
that can be printed e.g.
note: did you forget to include <SOME_HEADER.h>?
This patch provides the mechanism and ports existing users
of lookup_name_fuzzy to the new return type.
There are no uses of such hints in this patch, but followup
patches provide various front-end specific uses of this.
gcc/c-family/ChangeLog:
* c-common.h (enum lookup_name_fuzzy_kind): Move to name-hint.h.
(lookup_name_fuzzy): Likewise. Convert return type from
const char * to name_hint. Add location_t param.
* name-hint.h: New header.
gcc/c/ChangeLog:
* c-decl.c: Define INCLUDE_UNIQUE_PTR before including system.h.
Include "c-family/name-hint.h"
(implicit_decl_warning): Convert "hint" from
const char * to name_hint. Pass location to
lookup_name_fuzzy. Suppress any deferred diagnostic if the
warning was not printed.
(undeclared_variable): Likewise for "guessed_id".
(lookup_name_fuzzy): Convert return type from const char *
to name_hint. Add location_t param.
* c-parser.c: Define INCLUDE_UNIQUE_PTR before including system.h.
Include "c-family/name-hint.h"
(c_parser_declaration_or_fndef): Convert "hint" from
const char * to name_hint. Pass location to lookup_name_fuzzy.
(c_parser_parameter_declaration): Likewise.
gcc/cp/ChangeLog:
* name-lookup.c: Define INCLUDE_UNIQUE_PTR before including system.h.
Include "c-family/name-hint.h"
(suggest_alternatives_for): Convert "fuzzy_name" from const char *
to name_hint, and rename to "hint". Pass location to
lookup_name_fuzzy.
(lookup_name_fuzzy): Convert return type from const char *
to name_hint. Add location_t param.
* parser.c: Define INCLUDE_UNIQUE_PTR before including system.h.
Include "c-family/name-hint.h"
(cp_parser_diagnose_invalid_type_name): Convert
"suggestion" from const char * to name_hint, and rename to "hint".
Pass location to lookup_name_fuzzy.
From-SVN: r254963
|
|
https://gcc.gnu.org/ml/gcc-patches/2017-11/msg01115.html
PR c++/82878
PR c++/78495
* call.c (build_call_a): Don't set CALL_FROM_THUNK_P for inherited
ctor.
* cp-gimplify.c (cp_genericize_r): Restore THUNK dereference
inhibibition check removed in previous c++/78495 change.
PR c++/82878
* g++.dg/cpp0x/pr82878.C: New.
* g++.dg/cpp1z/inh-ctor38.C: Check moves too.
From-SVN: r254958
|
|
PR c++/82781
* constexpr.c (cxx_eval_vector_conditional_expression): New function.
(cxx_eval_constant_expression) <case VEC_COND_EXPR>: Use it instead
of cxx_eval_conditional_expression.
* g++.dg/ext/constexpr-pr82781.C: New test.
From-SVN: r254952
|
|
object with -O1)
PR c/66618
PR c/69960
c-family/
* c-common.h (c_fully_fold): Add LVAL argument defaulted to false.
c/
* c-parser.c (c_parser_omp_atomic): Pass true as LVAL to c_fully_fold
where needed.
* c-typeck.c (build_unary_op, build_modify_expr, build_asm_expr,
handle_omp_array_sections): Likewise.
(digest_init): Don't call decl_constant_value_for_optimization.
* c-tree.h (decl_constant_value_for_optimization): Removed.
* c-fold.c (c_fold_array_ref): New function.
(c_fully_fold_internal): Add LVAL argument, propagate it through
recursive calls. For VAR_P call decl_constant_value and
unshare if not LVAL and either optimizing or IN_INIT. Remove
decl_constant_value_for_optimization calls. If IN_INIT and not LVAL,
fold ARRAY_REF with STRING_CST and INTEGER_CST operands.
(c_fully_fold): Add LVAL argument, pass it through to
c_fully_fold_internal.
(decl_constant_value_for_optimization): Removed.
cp/
* cp-gimplify.c (c_fully_fold): Add LVAL argument, call
cp_fold_maybe_rvalue instead of cp_fold_rvalue and pass it !LVAL.
testsuite/
* gcc.dg/pr69960.c: New test.
* gcc.dg/pr66618.c: New test.
* gcc.dg/pr66618-2.c: New test.
From-SVN: r254930
|
|
* tree.c (cp_tree_equal): Check the type of constants.
* pt.c (unify) [TEMPLATE_PARM_INDEX]: Handle UNIFY_ALLOW_INTEGER
when comparing to previously deduced argument.
(maybe_convert_nontype_argument): New.
(convert_nontype_argument): Call it.
(tsubst_copy_and_build): Handle partial instantiation of
IMPLICIT_CONV_EXPR.
(unify): Ignore type when deducing from array bound.
(dependent_type_p_r): Handle DEFERRED_NOEXCEPT.
(value_dependent_expression_p): Any type-dependent expression is
value-dependent. Handle IMPLICIT_CONV_EXPR.
* cp-tree.h (IMPLICIT_CONV_EXPR_NONTYPE_ARG): New.
* mangle.c (write_template_arg): Strip IMPLICIT_CONV_EXPR.
From-SVN: r254843
|
|
https://gcc.gnu.org/ml/gcc-patches/2017-11/msg01340.html
PR c++/82836
PR c++/82737
* tree.h (COPY_DECL_RTL): Rename parms for clarity.
(SET_DECL_ASSEMBLER_NAME): Forward to
overwrite_decl_assembler_name.
(COPY_DECL_ASSEMBLER_NAME): Rename parms for clarity.
(overwrite_decl_assembler_name): Declare.
* tree.c (overwrite_decl_assembler_name): New.
* langhooks-def.h (lhd_overwrite_decl_assembler_name): Declare.
(LANG_HOOKS_OVERWRITE_DECL_ASSEMBLER_NAME): Provide default.
(LANG_HOOKS_INITIALIZER): Add it.
* langhooks.h (struct lang_hooks): Add overwrite_decl_assembler_name.
* langhooks.c (lhd_set_decl_assembler_name): Use
SET_DECL_ASSEMBLER_NAME.
(lhd_overwrite_decl_assembler_name): Default implementation.
PR c++/82836
PR c++/82737
* cp-objcp-common.h (LANG_HOOKS_OVERWRITE_DECL_ASSEMBLER_NAME):
Override.
* cp-tree.h (overwrite_mangling): Declare.
* decl2.c (struct mangled_decl_hash): Entries are deletable.
(overwrite_mangling): New.
PR c++/82836
PR c++/82737
* g++.dg/pr82836.C: New.
From-SVN: r254823
|
|
https://gcc.gnu.org/ml/gcc-patches/2017-11/msg01323.html
PR c++/81060
* decl.c (xref_tag_1): Push lambda into current scope.
* name-lookup.c (do_pushtag): Don't deal with ts_lambda here.
PR c++81060
* g++.dg/cpp0x/lambda/lambda-template13.C: Avoid undefined
template using local type error.
* g++.dg/cpp0x/pr81060.C: New.
From-SVN: r254817
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https://gcc.gnu.org/ml/gcc-patches/2017-11/msg01200.html
PR c++/81574
* lambda.c (lambda_capture_field_type): Function references are
always catured by reference.
PR c++/81574
* g++.dg/cpp1y/pr81574.C: New.
From-SVN: r254768
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2017-11-15 Martin Liska <mliska@suse.cz>
* decl.c (begin_destructor_body): Use cp_build_fold_indirect_ref
instead of cp_build_indirect_ref.
From-SVN: r254765
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2017-11-15 Martin Liska <mliska@suse.cz>
* decl.c (begin_destructor_body): In case of VPTR sanitization
(with disabled recovery), zero vptr in order to catch virtual calls
after lifetime of an object.
2017-11-15 Martin Liska <mliska@suse.cz>
* g++.dg/ubsan/vptr-12.C: New test.
From-SVN: r254754
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gcc/
* hash-traits.h (ggc_remove): Add ggc_maybe_mx member function.
(ggc_cache_remove): Override it instead of ggc_mx.
* hash-table.h (gt_ggc_mx): Call it instead of ggc_mx.
(gt_cleare_cache): Call ggc_mx instead of gt_ggc_mx.
* hash-map-traits.h (simple_hashmap_traits): Add maybe_mx member.
(simple_cache_map_traits): Override maybe_mx.
* hash-map.h (hash_entry): Add ggc_maybe_mx and keep_cache_entry.
(hash_map): Friend gt_cleare_cache.
(gt_cleare_cache): New.
* tree.h (tree_cache_traits): New hash_map traits class.
(tree_cache_map): New typedef.
gcc/cp/
* decl.c (decomp_type_table): Use tree_cache_map.
* init.c (nsdmi_inst): Likewise.
* pt.c (defarg_ints): Likewise.
* cp-objcp-common.c (cp_get_debug_type): Likewise.
From-SVN: r254731
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