+2020-11-16 Iain Sandoe <iain@sandoe.co.uk>
+
+ PR objc/97854
+ * stub-objc.c: Include c-common.h to declare enum rid.
+
+2020-11-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/63287
+ * c-cppbuiltin.c: Include configargs.h.
+ (c_cpp_builtins): For C++11 and later if THREAD_MODEL_SPEC is not
+ defined, predefine __STDCPP_THREADS__ to 1 unless thread_model is
+ "single".
+
+2020-11-13 Gergö Barany <gergo@codesourcery.com>
+ Thomas Schwinge <thomas@codesourcery.com>
+
+ * c.opt (fopenacc-kernels): Add.
+
+2020-11-13 Jason Merrill <jason@redhat.com>
+
+ * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_using_enum.
+
+2020-11-13 Piotr H. Dabrowski <phd@phd.re>
+
+ PR c++/91318
+ * c-cppbuiltin.c: c_cpp_builtins_optimize_pragma(): use cpp_define_unused()
+
+2020-11-13 Martin Liska <mliska@suse.cz>
+
+ * c-attribs.c (build_attr_access_from_parms): Format properly.
+
+2020-11-13 Iain Sandoe <iain@sandoe.co.uk>
+
+ PR objc/90707
+ * c-common.c (c_common_reswords): null_unspecified, nullable,
+ nonnull, null_resettable: New keywords.
+ * c-common.h (enum rid): RID_NULL_UNSPECIFIED, RID_NULLABLE,
+ RID_NONNULL, RID_NULL_RESETTABLE: New.
+ (OBJC_IS_PATTR_KEYWORD): Include nullability keywords in the
+ ranges accepted for property attributes.
+ * c-attribs.c (handle_objc_nullability_attribute): New.
+ * c-objc.h (enum objc_property_attribute_group): Add
+ OBJC_PROPATTR_GROUP_NULLABLE.
+ (enum objc_property_attribute_kind):Add
+ OBJC_PROPERTY_ATTR_NULL_UNSPECIFIED, OBJC_PROPERTY_ATTR_NULLABLE,
+ OBJC_PROPERTY_ATTR_NONNULL, OBJC_PROPERTY_ATTR_NULL_RESETTABLE.
+
+2020-11-13 Iain Sandoe <iain@sandoe.co.uk>
+
+ PR objc/77404
+ * c-attribs.c (handle_objc_root_class_attribute): New
+ * c-objc.h (objc_start_class_interface): Add a location
+ value for the position of the class name.
+ * c.opt: Add Wobjc-root-class.
+ * stub-objc.c (objc_start_class_interface): Add a location
+ value for the position of the class name.
+
+2020-11-12 Joseph Myers <joseph@codesourcery.com>
+
+ * c-lex.c (c_common_has_attribute): Take argument std_syntax.
+ Allow scope for C. Handle standard attributes for C. Do not
+ accept unscoped attributes if std_syntax and not handled as
+ standard attributes.
+ * c-common.h (c_common_has_attribute): Update prototype.
+
+2020-11-12 Nicholas Guriev <guriev-ns@ya.ru>
+
+ PR pch/86674
+ * c-pch.c (c_common_valid_pch): Use cpp_warning with CPP_W_INVALID_PCH
+ reason to fix -Werror=invalid-pch and -Wno-error=invalid-pch switches.
+
+2020-11-11 Patrick Palka <ppalka@redhat.com>
+
+ PR c++/88115
+ * c-opts.c (c_common_post_options): Update latest_abi_version.
+
+2020-11-10 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/97748
+ * c-common.h (warn_if_unused_value): Add quiet argument defaulted
+ to false.
+ * c-warn.c (warn_if_unused_value): Likewise. Pass it down
+ recursively and just return true instead of warning if it is true.
+ Handle COMPLEX_EXPR.
+
+2020-11-10 Chung-Lin Tang <cltang@codesourcery.com>
+
+ * c-common.h (c_omp_adjust_map_clauses): New declaration.
+ * c-omp.c (struct map_clause): Helper type for c_omp_adjust_map_clauses.
+ (c_omp_adjust_map_clauses): New function.
+
+2020-11-09 Marek Polacek <polacek@redhat.com>
+
+ DR 1914
+ * c-common.c (attribute_fallthrough_p): Tweak the warning
+ message.
+
+2020-11-09 Patrick Palka <ppalka@redhat.com>
+
+ * c-pragma.c (handle_pragma_diagnostic): Split the
+ unknown-option -Wpragmas diagnostic into a warning and a
+ subsequent note containing a spelling suggestion. Avoid
+ computing the suggestion if -Wpragmas warnings are being
+ suppressed.
+
+2020-11-09 Patrick Palka <ppalka@redhat.com>
+
+ PR testsuite/97117
+ * c-indentation.c (get_visual_column): Remove location_t
+ parameter. Move the column-tracking diagnostic code from here
+ to ...
+ (should_warn_for_misleading_indentation): ... here, before the
+ early exit for when the loci are not all distinct. Don't pass a
+ location_t argument to get_visual_column.
+ (assert_get_visual_column_succeeds): Don't pass a location_t
+ argument to get_visual_column.
+ (assert_get_visual_column_fails): Likewise.
+
+2020-11-08 Iain Sandoe <iain@sandoe.co.uk>
+
+ * c-common.h (OBJC_IS_PATTR_KEYWORD): Add class to the list
+ of keywords accepted in @property attribute contexts.
+ * c-objc.h (enum objc_property_attribute_group): Add
+ OBJC_PROPATTR_GROUP_CLASS.
+ (enum objc_property_attribute_kind): Add
+ OBJC_PROPERTY_ATTR_CLASS.
+
+2020-11-07 Iain Sandoe <iain@sandoe.co.uk>
+
+ * c-common.c (c_common_reswords): Add 'atomic' property
+ attribute.
+ * c-common.h (enum rid): Add RID_PROPATOMIC for atomic
+ property attributes.
+
+2020-11-07 Iain Sandoe <iain@sandoe.co.uk>
+
+ * c-attribs.c (handle_nsobject_attribute): New.
+ * c.opt: Add WNSObject-attribute.
+
+2020-11-06 Iain Sandoe <iain@sandoe.co.uk>
+
+ * c-objc.h (enum objc_property_attribute_group): New
+ (enum objc_property_attribute_kind): New.
+ (OBJC_PROPATTR_GROUP_MASK): New.
+ (struct property_attribute_info): Small class encapsulating
+ parser output from property attributes.
+ (objc_prop_attr_kind_for_rid): New
+ (objc_add_property_declaration): Simplify interface.
+ * stub-objc.c (enum rid): Dummy type.
+ (objc_add_property_declaration): Simplify interface.
+ (objc_prop_attr_kind_for_rid): New.
+
+2020-11-06 Nathan Sidwell <nathan@acm.org>
+
+ * c-ada-spec.c (collect_ada_nodes): Rename
+ DECL_IS_BUILTIN->DECL_IS_UNDECLARED_BUILTIN.
+ (collect_ada_node): Likewise.
+ (dump_forward_type): Likewise.
+ * c-common.c (set_underlying_type): Rename
+ DECL_IS_BUILTIN->DECL_IS_UNDECLARED_BUILTIN.
+ (user_facing_original_type, c_common_finalize_early_debug): Likewise.
+
+2020-11-06 Jakub Jelinek <jakub@redhat.com>
+
+ * c-common.c (verify_sequence_points): Remove DEBUG_FUNCTION.
+
+2020-11-05 Marek Polacek <polacek@redhat.com>
+
+ PR c++/97675
+ * c.opt (Wexceptions): New option.
+
+2020-11-05 Marek Polacek <polacek@redhat.com>
+
+ PR c++/25814
+ * c.opt (Wvexing-parse): New option.
+
+2020-11-04 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/97670
+ * c-omp.c (c_omp_split_clauses): Look through array reductions to find
+ underlying decl to clear in the allocate_head bitmap.
+
+2020-11-04 Iain Sandoe <iain@sandoe.co.uk>
+
+ * c-objc.h (objc_non_constant_expr_p): New.
+ * stub-objc.c (objc_non_constant_expr_p): New.
+
+2020-11-03 Nathan Sidwell <nathan@acm.org>
+
+ * c.opt (MQ,MT): Reword description to be make-agnostic.
+
+2020-11-02 Nathan Sidwell <nathan@acm.org>
+
+ * c-opts.c (c_common_post_options): Move var decl to its
+ initialization point.
+
+2020-11-01 Iain Sandoe <iain@sandoe.co.uk>
+
+ * c-lex.c (c_lex_with_flags): When combining '@' with a
+ keyword for Objective-C, combine the location ranges too.
+
+2020-10-30 Qing Zhao <qing.zhao@oracle.com>
+ H.J.Lu <hjl.tools@gmail.com>
+
+ * c-attribs.c (c_common_attribute_table): Add new attribute
+ zero_call_used_regs.
+ (handle_zero_call_used_regs_attribute): New function.
+
+2020-10-28 Marek Polacek <polacek@redhat.com>
+
+ PR c++/97573
+ * c-opts.c (c_common_post_options): In C++20, turn on
+ -Wdeprecated-enum-enum-conversion and
+ -Wdeprecated-enum-float-conversion.
+ * c.opt (Wdeprecated-enum-enum-conversion,
+ Wdeprecated-enum-float-conversion): New options.
+ (Wenum-conversion): Allow for C++ too.
+
+2020-10-28 Jakub Jelinek <jakub@redhat.com>
+
+ * c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_ALLOCATE.
+ * c-omp.c: Include bitmap.h.
+ (c_omp_split_clauses): Handle OMP_CLAUSE_ALLOCATE.
+
+2020-10-26 Ville Voutilainen <ville.voutilainen@gmail.com>
+
+ * c-common.c (__is_nothrow_assignable): New.
+ (__is_nothrow_constructible): Likewise.
+ * c-common.h (RID_IS_NOTHROW_ASSIGNABLE): New.
+ (RID_IS_NOTHROW_CONSTRUCTIBLE): Likewise.
+
+2020-10-23 Jan Hubicka <hubicka@ucw.cz>
+
+ * c-common.c (c_common_finalize_early_debug): Update for new thunk api.
+
+2020-10-23 Marek Polacek <polacek@redhat.com>
+
+ PR c++/91741
+ * c-common.c (verify_tree): Handle PAREN_SIZEOF_EXPR.
+ (c_common_init_ts): Likewise.
+ * c-common.def (PAREN_SIZEOF_EXPR): New tree code.
+ * c-common.h (maybe_warn_sizeof_array_div): Declare.
+ * c-warn.c (sizeof_pointer_memaccess_warning): Unwrap NOP_EXPRs.
+ (maybe_warn_sizeof_array_div): New function.
+ * c.opt (Wsizeof-array-div): New option.
+
+2020-10-23 Martin Sebor <msebor@redhat.com>
+
+ PR c/97463
+ * c-warn.c (warn_parm_ptrarray_mismatch): Move null test earlier.
+
+2020-10-22 Martin Liska <mliska@suse.cz>
+
+ PR c/94722
+ * c-attribs.c (handle_no_stack_protect_function_attribute): New.
+ (handle_stack_protect_attribute): Add error message for a
+ no_stack_protector function.
+
+2020-10-22 Martin Liska <mliska@suse.cz>
+
+ * c-cppbuiltin.c (c_cpp_builtins): Use the stack_protector enum.
+
+2020-10-22 Jan Hubicka <hubicka@ucw.cz>
+
+ * c-gimplify.c: Include tree-nested.h
+ (c_genericize): Update for new nested function info.
+
+2020-10-14 Martin Sebor <msebor@redhat.com>
+
+ PR c/97413
+ * c-attribs.c (build_attr_access_from_parms): Wrap chain of VLA
+ bounds in an extra list.
+
+2020-10-05 Richard Biener <rguenther@suse.de>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/97197
+ * c-pretty-print.c: Include langhooks.h.
+ (c_pretty_printer::postfix_expression): Handle TARGET_MEM_REF as
+ expression.
+ (c_pretty_printer::expression): Handle TARGET_MEM_REF as
+ unary_expression.
+ (c_pretty_printer::unary_expression): Handle TARGET_MEM_REF.
+
+2020-09-30 Martin Sebor <msebor@redhat.com>
+
+ PR middle-end/97189
+ * c-attribs.c (append_access_attr): Use the function declaration
+ location for a warning about an attribute access argument.
+
+2020-09-29 Marek Polacek <polacek@redhat.com>
+
+ PR c++/94695
+ * c.opt (Wrange-loop-construct): New option.
+
+2020-09-23 Martin Sebor <msebor@redhat.com>
+
+ PR c/97131
+ * c-warn.c (warn_parm_ptrarray_mismatch): Handle more invalid input.
+
+2020-09-23 Marek Polacek <polacek@redhat.com>
+
+ PR c/97125
+ * c-gimplify.c (c_genericize): Only call do_warn_duplicated_branches_r
+ after loops and other structured control constructs have been lowered.
+
+2020-09-22 Jakub Jelinek <jakub@redhat.com>
+
+ * c.opt (Wbuiltin-declaration-mismatch): Fix typo in variable name:
+ warn_builtin_declaraion_mismatch -> warn_builtin_declaration_mismatch.
+
+2020-09-21 Marek Polacek <polacek@redhat.com>
+
+ * c.opt (Wctad-maybe-unsupported): New option.
+
+2020-09-19 Martin Sebor <msebor@redhat.com>
+
+ PR c/50584
+ * c-common.h (warn_parm_array_mismatch): Declare new function.
+ (has_attribute): Move declaration of an existing function.
+ (build_attr_access_from_parms): Declare new function.
+ * c-warn.c (parm_array_as_string): Define new function.
+ (plus_one): Define new function.
+ (warn_parm_ptrarray_mismatch): Define new function.
+ (warn_parm_array_mismatch): Define new function.
+ (vla_bound_parm_decl): New function.
+ * c.opt (-Warray-parameter, -Wvla-parameter): New options.
+ * c-pretty-print.c (pp_c_type_qualifier_list): Don't print array type
+ qualifiers here...
+ (c_pretty_printer::direct_abstract_declarator): ...but instead print
+ them in brackets here. Also print [static]. Strip extraneous
+ expressions from VLA bounds.
+
+2020-09-19 Martin Sebor <msebor@redhat.com>
+
+ PR c/50584
+ * c-attribs.c (c_common_attribute_table): Add "arg spec" attribute.
+ (handle_argspec_attribute): New function.
+ (get_argument, get_argument_type): New functions.
+ (append_access_attrs): Add overload. Handle internal attribute
+ representation in addition to external.
+ (handle_access_attribute): Handle internal attribute representation
+ in addition to external.
+ (build_attr_access_from_parms): New function.
+
+2020-09-19 Sandra Loosemore <sandra@codesourcery.com>
+
+ * c-gimplify.c (genericize_c_loop): Rewrite to match
+ c_finish_loop in c-typeck.c.
+
+2020-09-19 Sandra Loosemore <sandra@codesourcery.com>
+
+ * c-common.c (c_block_may_fallthrough): New, split from
+ cxx_block_may_fallthrough in the cp front end.
+ (c_common_init_ts): Move handling of loop and switch-related
+ statements here from the cp front end.
+ * c-common.def (FOR_STMT, WHILE_STMT, DO_STMT): Move here from
+ cp front end.
+ (BREAK_STMT, CONTINUE_STMT, SWITCH_STMT): Likewise.
+ * c-common.h (c_block_may_fallthru): Declare.
+ (bc_state_t): Move here from cp front end.
+ (save_bc_state, restore_bc_state): Declare.
+ (c_genericize_control_stmt): Declare.
+ (WHILE_COND, WHILE_BODY): Likewise.
+ (DO_COND, DO_BODY): Likewise.
+ (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY, FOR_SCOPE): Likewise.
+ (SWITCH_STMT_COND, SWITCH_STMT_BODY): Likewise.
+ (SWITCH_STMT_TYPE, SWITCH_STMT_SCOPE): Likewise.
+ (SWITCH_STMT_ALL_CASES_P, SWITCH_STMT_NO_BREAK_P): Likewise.
+ (LABEL_DECL_BREAK, LABEL_DECL_CONTINUE): Likewise.
+ * c-dump.c (dump_stmt): Copy from cp front end.
+ (c_dump_tree): Move code to handle structured loop and switch
+ tree nodes here from cp front end.
+ * c-gimplify.c: Adjust includes.
+ (enum bc_t, bc_label, begin_bc_block, finish_bc_block): Move from
+ cp front end.
+ (save_bc_state, restore_bc_state): New functions using old code
+ from cp front end.
+ (get_bc_label, expr_loc_or_loc): Move from cp front end.
+ (genericize_c_loop): Move from cp front end.
+ (genericize_for_stmt, genericize_while_stmt): Likewise.
+ (genericize_do_stmt, genericize_switch_stmt): Likewise.
+ (genericize_continue_stmt, genericize_break_stmt): Likewise.
+ (genericize_omp_for_stmt): Likewise.
+ (c_genericize_control_stmt): New function using code split from
+ cp front end.
+ (c_genericize_control_r): New.
+ (c_genericize): Call walk_tree with c_genericize_control_r.
+ * c-pretty-print.c (c_pretty_printer::statement): Move code to handle
+ structured loop and switch tree nodes here from cp front end.
+
+2020-09-17 Patrick Palka <ppalka@redhat.com>
+
+ PR c/80076
+ * c-indentation.c (should_warn_for_misleading_indentation): Move
+ declarations of local variables closer to their first use.
+ Handle virtual token locations by resolving them to their
+ respective macro expansion points. If all three tokens are
+ produced from the same macro expansion, then instead use their
+ loci within the macro definition.
+
+2020-09-16 Martin Sebor <msebor@redhat.com>
+
+ PR c/78666
+ PR c/96126
+ * c-attribs.c (validate_attr_args): New function.
+ (validate_attr_arg): Same.
+ (handle_section_attribute): Call it. Introduce a local variable.
+ (handle_alloc_size_attribute): Same.
+ (handle_alloc_align_attribute): Same.
+
+2020-09-14 Jakub Jelinek <jakub@redhat.com>
+
+ * c-attribs.c (handle_optimize_attribute): Adjust
+ cl_optimization_save, cl_optimization_restore and
+ build_optimization_node callers.
+ * c-pragma.c (handle_pragma_optimize): Adjust
+ build_optimization_node caller.
+ (handle_pragma_push_options): Adjust
+ build_optimization_node and build_target_option_node callers.
+ (handle_pragma_pop_options, handle_pragma_reset_options):
+ Adjust cl_optimization_restore callers.
+
+2020-08-28 Martin Sebor <msebor@redhat.com>
+
+ * c.opt (Wstringop-overread): New option.
+
+2020-08-11 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/96545
+ * c-common.c (get_atomic_generic_size): Require that first argument's
+ type points to a complete type and use tree_fits_uhwi_p instead of
+ just INTEGER_CST TREE_CODE check for the TYPE_SIZE_UNIT.
+
+2020-07-31 Martin Sebor <msebor@redhat.com>
+
+ PR c++/96003
+ * c-common.c (check_function_arguments_recurse): Return early when
+ no-warning bit is set.
+
+2020-07-31 Richard Biener <rguenther@suse.de>
+
+ PR debug/96383
+ * c-common.h (c_common_finalize_early_debug): Declare.
+ * c-common.c: Include debug.h.
+ (c_common_finalize_early_debug): finalize_early_debug langhook
+ implementation generating debug for extern declarations.
+
+2020-07-27 Nathan Sidwell <nathan@acm.org>
+
+ * c-common.c (try_to_locate_new_include_insertion_point): Use
+ strcmp, not pointer equality.
+
+2020-07-25 Martin Sebor <msebor@redhat.com>
+
+ PR c++/96310
+ * c-common.c (check_nonnull_arg): Print note only when warning was
+ issued.
+
+2020-07-22 Tobias Burnus <tobias@codesourcery.com>
+
+ * c-omp.c (c_finish_omp_critical): Check for no name but
+ nonzero hint provided.
+
+2020-07-20 Jason Merrill <jason@redhat.com>
+
+ * c-cppbuiltin.c (c_cpp_builtins): Update
+ __cpp_nontype_template_args for C++20.
+
+2020-07-20 Martin Sebor <msebor@redhat.com>
+
+ PR c/96249
+ * c.opt: Remove stray text.
+
+2020-07-14 Lewis Hyatt <lhyatt@gmail.com>
+
+ PR other/86904
+ * c-indentation.c (should_warn_for_misleading_indentation): Get
+ global tabstop from the new source.
+ * c-opts.c (c_common_handle_option): Remove handling of -ftabstop, which
+ is now a common option.
+ * c.opt: Likewise.
+
+2020-07-08 Eric Botcazou <ebotcazou@adacore.com>
+
+ * c.opt (Wscalar-storage-order): Add explicit variable.
+
+2020-07-07 Nathan Sidwell <nathan@acm.org>
+
+ * c-opts.c (c_common_post_options): Add 'injecting' arg to
+ cpp_read_main_file.
+ (c_finish_options): Add linemap_line_start calls for builtin and cmd
+ maps. Force token position to line_table's highest line.
+ * c-ppoutput.c (print_line_1): Refactor, print line zero.
+ (cb_define): Always increment source line.
+
+2020-07-06 Martin Sebor <msebor@redhat.com>
+
+ PR c++/95984
+ * c-common.c (check_function_nonnull): Avoid checking syntesized calls
+ to stub lambda objects with null this pointer.
+ (check_nonnull_arg): Handle C++ nullptr.
+
+2020-07-02 Jason Merrill <jason@redhat.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_consteval.
+
+2020-06-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/95963
+ * c-common.c (check_function_arguments_recurse): Don't crash on
+ calls to internal functions.
+
+2020-06-28 Martin Sebor <msebor@redhat.com>
+
+ PR c++/86568
+ * c-common.c (struct nonnull_arg_ctx): Add members.
+ (check_function_nonnull): Use nonnull_arg_ctx as argument. Handle
+ C++ member functions specially. Consider the this pointer implicitly
+ nonnull.
+ (check_nonnull_arg): Use location of argument when available.
+ (check_function_arguments): Use nonnull_arg_ctx as argument.
+
+2020-06-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/95903
+ * c-common.c (pointer_int_sum): Use TYPE_OVERFLOW_UNDEFINED instead of
+ !TYPE_UNSIGNED check to see if we can apply distributive law and handle
+ smaller precision intop operands separately.
+
+2020-06-26 Marek Polacek <polacek@redhat.com>
+
+ * c-opts.c (c_common_init_options): Default to gnu++17.
+
+2020-06-17 Jonathan Wakely <jwakely@redhat.com>
+
+ PR c/95378
+ * c-common.c (get_atomic_generic_size): Check cv-qualifiers in
+ pointer arguments.
+
+2020-06-16 Jakub Jelinek <jakub@redhat.com>
+
+ * c-common.h (c_omp_check_loop_iv_exprs): Add an int argument.
+ * c-omp.c (struct c_omp_check_loop_iv_data): Add maybe_nonrect and
+ idx members.
+ (c_omp_is_loop_iterator): New function.
+ (c_omp_check_loop_iv_r): Use it. Add support for silent scanning
+ if outer loop iterator is present. Perform duplicate checking through
+ hash_set in the function rather than expecting caller to do that.
+ Pass NULL instead of d->ppset to walk_tree_1.
+ (c_omp_check_nonrect_loop_iv): New function.
+ (c_omp_check_loop_iv): Use it. Fill in new members, allow
+ non-rectangular loop forms, diagnose multiple associated loops with
+ the same iterator. Pass NULL instead of &pset to walk_tree_1.
+ (c_omp_check_loop_iv_exprs): Likewise.
+
+2020-06-10 Martin Liska <mliska@suse.cz>
+
+ PR tree-optimization/92860
+ * c-attribs.c (handle_optimize_attribute):
+ Save global options and compare it after parsing of function
+ attribute.
+ * c-pragma.c (opt_stack::saved_global_options): New field.
+ (handle_pragma_push_options): Save global_options.
+ (handle_pragma_pop_options): Compare them after pop.
+
+2020-06-09 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/95580
+ * c-pretty-print.c (c_pretty_printer::unary_expression): Handle the
+ case when MEM_REF's first argument has type pointer to incomplete type.
+
+2020-06-05 Jason Merrill <jason@redhat.com>
+
+ * c-pretty-print.c (pp_c_additive_expression): Handle negative
+ operand to POINTER_PLUS_EXPR.
+
+2020-06-04 Martin Sebor <msebor@redhat.com>
+
+ PR middle-end/10138
+ PR middle-end/95136
+ * c-attribs.c (append_access_attrs): Handle attr_access::none.
+ (handle_access_attribute): Same.
+
+2020-06-03 Mark Wielaard <mark@klomp.org>
+
+ * known-headers.cc (get_cp_stdlib_header_for_string_macro_name):
+ New function.
+ * known-headers.h (get_cp_stdlib_header_for_string_macro_name):
+ New function declaration.
+
+2020-06-03 Mark Wielaard <mark@klomp.org>
+
+ * known-headers.cc (get_string_macro_hint): New function.
+ (get_stdlib_header_for_name): Use get_string_macro_hint.
+ (get_c_stdlib_header_for_string_macro_name): New function.
+ * known-headers.h (get_c_stdlib_header_for_string_macro_name):
+ New function declaration.
+
+2020-06-03 Tobias Burnus <tobias@codesourcery.com>
+
+ * c-common.h (c_omp_predetermined_mapping): Declare.
+ * c-omp.c (c_omp_predetermined_mapping): New.
+
+2020-05-22 Mark Wielaard <mark@klomp.org>
+
+ * known-headers.cc (get_stdlib_header_for_name): Add a new
+ stdlib_hint array for stdbool and stdint.
+
+2020-05-22 Mark Wielaard <mark@klomp.org>
+
+ * known-headers.cc (get_stdlib_header_for_name): Return
+ "<stdbool.h>" for "bool", "true" or "false" when STDLIB_C and
+ flag_isoc99.
+
+2020-05-20 Nathan Sidwell <nathan@acm.org>
+
+ * c-common.c (try_to_locate_new_include_insertion_point): Revert change.
+
+ * c-common.c (try_to_locate_new_include_insertion_point): Use
+ strcmp to compare filenames.
+ * c-lex.c (init_c_lex): Move declaration to initialization.
+ * c-opts.c (handle_deferred_opts): Move cpp_get_deps call into
+ deferred count loop.
+
+2020-05-15 Jason Merrill <jason@redhat.com>
+
+ * c-opts.c (set_std_cxx20): Set flag_coroutines.
+
+2020-05-13 Jason Merrill <jason@redhat.com>
+
+ * c.opt (std=c++20): Make c++2a the alias.
+ (std=gnu++20): Likewise.
+ * c-common.h (cxx_dialect): Change cxx2a to cxx20.
+ * c-opts.c: Adjust.
+ * c-cppbuiltin.c: Adjust.
+ * c-ubsan.c: Adjust.
+ * c-warn.c: Adjust.
+
+2020-05-12 Eric Botcazou <ebotcazou@adacore.com>
+
+ * c-ada-spec.c (dump_ads): Output pragma Warnings ("U"); on entry.
+
+2020-05-08 Nathan Sidwell <nathan@acm.org>
+
+ Reimplement directives only processing.
+ * c-ppoutput.c (token_streamer): Ne.
+ (directives_only_cb): New. Swallow ...
+ (print_lines_directives_only): ... this.
+ (scan_translation_unit_directives_only): Reimplment using the
+ published interface.
+
+2020-05-07 Marek Polacek <polacek@redhat.com>
+
+ * c-format.c (badwords): Add "nonstatic".
+
+202-05-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/94968
+ * c-common.c (speculation_safe_value_resolve_params): Return false if
+ error_operand_p (val2).
+ (resolve_overloaded_builtin) <case BUILT_IN_SPECULATION_SAFE_VALUE_N>:
+ Remove extraneous semicolon.
+
+2020-05-06 qing zhao <qing.zhao@oracle.com>
+
+ PR c/94230
+ * c-indentation.c (get_visual_column): Add a hint to use the new
+ -flarge-source-files option.
+
+2020-05-05 Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
+
+ * c-attribs.c (handle_vector_size_attribute): Add attribute
+ nonnull for argument args in order to silence warning of
+ uninitialized variable usage. Since this is local to the
+ compilation unit and thus cannot be checked at call sides by the
+ compiler, added an assert statement in order to verify this.
+
+2020-05-01 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/93492
+ * c-attribs.c (handle_patchable_function_entry_attribute): Limit
+ value to USHRT_MAX (65535).
+
+2020-04-29 Jakub Jelinek <jakub@redhat.com>
+
+ * c-format.c (PP_FORMAT_CHAR_TABLE): Add %{ and %}.
+
+2020-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/94755
+ * c-common.c (resolve_overloaded_builtin): Return error_mark_node for
+ fncode == BUILT_IN_NONE before initialization of first_param.
+
+2020-04-23 Marek Polacek <polacek@redhat.com>
+
+ PR c++/94733
+ * c-attribs.c (find_tm_attribute): Use get_attribute_name instead of
+ TREE_PURPOSE.
+
+2020-04-14 Patrick Palka <ppalka@redhat.com>
+
+ PR c++/85278
+ * c-pretty-print.c (pp_c_pointer) <case REFERENCE_TYPE>: Print a double
+ ampersand if it's an rvalue reference type.
+
+2020-04-13 Martin Sebor <msebor@redhat.com>
+
+ PR c/92326
+ * c-pretty-print.c (c_pretty_printer::direct_abstract_declarator): Avoid
+ printing array bound for flexible array members.
+
+2020-04-13 Iain Sandoe <iain@sandoe.co.uk>
+
+ * c-cppbuiltin.c (c_cpp_builtins): Update coroutines builtin
+ define, per n4861.
+
+2020-04-02 Richard Biener <rguenther@suse.de>
+
+ PR c/94392
+ * c-opts.c (c_common_post_options): Enable -ffinite-loops
+ for -O2 and C++11 or newer.
+
+2020-03-28 Patrick Palka <ppalka@redhat.com>
+
+ * c.opt: Add -fconcepts-diagnostics-depth.
+
+2020-03-27 Martin Sebor <msebor@redhat.com>
+
+ PR c++/94346
+ * c-attribs.c (handle_copy_attribute): Avoid passing expressions
+ to decl_attributes. Make handling of different kinds of entities
+ more robust.
+
+2020-03-27 Martin Sebor <msebor@redhat.com>
+
+ PR c++/94098
+ * c-attribs.c (handle_access_attribute): Avoid setting TYPE_ATTRIBUTES
+ here.
+
+2020-03-23 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/91993
+ * c-warn.c (warnings_for_convert_and_check): For expr and/or
+ result being COMPOUND_EXPRs, skip to ultimate rhs.
+
+2020-03-20 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR middle-end/94072
+ * c-common.c (c_common_type_for_mode): Before using a registered
+ built-in type, check that the vectorness of the type matches
+ the vectorness of the mode.
+
+2020-03-17 Jakub Jelinek <jakub@redhat.com>
+
+ * c-common.c (resolve_overloaded_builtin): Fix up duplicated word
+ issue in a diagnostic message.
+
+2020-03-15 Lewis Hyatt <lhyatt@gmail.com>
+
+ * c.opt: Avoid redundancy in the help text.
+
+2020-03-02 Marek Polacek <polacek@redhat.com>
+
+ PR c++/93958 - add missing -std=gnu++20.
+ * c.opt: Add -std=gnu++20.
+
+2020-03-01 Martin Sebor <msebor@redhat.com>
+
+ PR c++/92721
+ * c-attribs.c (append_access_attrs): Correctly handle attribute.
+ (handle_access_attribute): Same.
+
+2020-02-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/93858
+ * c-pragma.c (handle_pragma_diagnostic): Add missing ? after
+ "did you mean" hint in diagnostics.
+
+2020-02-15 Jason Merrill <jason@redhat.com>
+
+ * c.opt: Add -std=c++20.
+
+2020-02-14 Eric Botcazou <ebotcazou@adacore.com>
+
+ * c-ada-spec.c: Include bitmap.h.
+ (dump_ada_double_name): Rename into...
+ (dump_anonymous_type_name): ...this. Always use the TYPE_UID.
+ (dump_ada_array_type): Adjust to above renaming. Robustify.
+ (dump_nested_types_1): New function copied from... Add dumped_types
+ parameter and pass it down to dump_nested_type.
+ (dump_nested_types): ...this. Remove parent parameter. Just call
+ dump_nested_types_1 on an automatic bitmap.
+ (dump_nested_type): Add dumped_types parameter.
+ <ARRAY_TYPE>: Do not dump it if already present in dumped_types.
+ Adjust recursive calls and adjust to above renaming.
+ (dump_ada_declaration): Adjust call to dump_nested_types.
+ Tidy up and adjust to above renaming.
+ (dump_ada_specs): Initialize and release bitmap obstack.
+
+2020-02-10 Martin Sebor <msebor@redhat.com>
+
+ PR c/93640
+ * c-attribs.c (handle_access_attribute): Correct off-by-one mistakes.
+
+2020-02-10 Jakub Jelinek <jakub@redhat.com>
+
+ PR other/93641
+ * c-format.c (check_plain): Fix up last argument of strncasecmp.
+ Remove useless extra test.
+
+2020-02-03 Julian Brown <julian@codesourcery.com>
+ Tobias Burnus <tobias@codesourcery.com>
+
+ * c-cppbuiltin.c (c_cpp_builtins): Update _OPENACC define to 201711.
+
2020-01-29 Jason Merrill <jason@redhat.com>
PR c++/89357
projects / gcc.git / blobdiff