+2019-11-04 Jason Merrill <jason@redhat.com>
+
+ * constexpr.c (explain_invalid_constexpr_fn): Show location of fn.
+
+ * pt.c (maybe_instantiate_noexcept): Only update clones if we
+ instantiated.
+
+ * typeck.c (contextual_conv_bool): New.
+
+ * name-lookup.c (lookup_qualified_name): Add wrapper overload taking
+ C string rather than identifier.
+ * parser.c (cp_parser_userdef_numeric_literal): Use it.
+ * rtti.c (emit_support_tinfos): Use it.
+ * cp-tree.h (ovl_op_identifier): Change to inline functions.
+ (build_x_binary_op): Add wrapper with fewer parms.
+
+2019-11-05 Jason Merrill <jason@redhat.com>
+
+ * decl2.c (mark_used): Diagnose use of a function with unsatisfied
+ constraints here.
+ * typeck.c (cp_build_function_call_vec): Not here.
+
+2019-11-05 Nathan Sidwell <nathan@acm.org>
+
+ PR c++/92370
+ * parser.c (cp_parser_error_1): Check EOF and UNKNOWN_LOCATION
+ when skipping over version control marker.
+
+2019-11-05 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/92343
+ * constexpr.c (potential_constant_expression_1): Return true rather
+ than false for PREDICT_EXPR.
+
+ * decl.c (omp_declare_variant_finalize_one): Call
+ declare_simd_adjust_this not just on the context, but also on the
+ variant-id expression for methods. Don't call
+ cp_get_callee_fndecl_nofold, call cp_get_callee and only if it is
+ safe cp_get_fndecl_from_callee. Don't try to print as %qD
+ NULL in diagnostics.
+ * pt.c (tsubst_attribute): Handle "omp declare variant base"
+ attribute.
+ (tsubst_function_decl): Call omp_declare_variant_finalize
+ if there are any "omp declare variant base" attributes left.
+
+2019-11-04 Kamlesh Kumar <kamleshbhalui@gmail.com>
+
+ PR c++/91979 - mangling nullptr expression
+ * mangle.c (write_template_arg_literal): Handle nullptr
+ mangling.
+
+2019-11-04 Jason Merrill <jason@redhat.com>
+
+ * typeck.c (check_return_expr): Avoid redundant error.
+
+2019-11-02 Paolo Carlini <paolo.carlini@oracle.com>
+
+ * typeck.c (composite_pointer_type): Add a const op_location_t&
+ parameter and use it in diagnostics.
+ (composite_pointer_error): Likewise.
+ (composite_pointer_type_r): Add a const op_location_t&
+ parameter and forward it.
+ (cp_build_binary_op): Adjust calls.
+ (common_pointer_type): Likewise.
+ * call.c (add_builtin_candidate): Likewise.
+ (build_conditional_expr_1): Likewise.
+ * cp-tree.h (composite_pointer_type): Update declaration.
+
+ * typeck.c (cxx_sizeof_expr): Use cp_expr_loc_or_input_loc
+ in permerror.
+ (cxx_alignof_expr): Likewise.
+ (lvalue_or_else): Likewise.
+
+2019-11-02 Jakub Jelinek <jakub@redhat.com>
+
+ * decl.c (omp_declare_variant_finalize_one): Use
+ omp_get_context_selector instead of c_omp_get_context_selector.
+
+ PR c++/89640
+ * parser.c (cp_parser_decl_specifier_seq): Don't parse attributes
+ if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
+
+ PR c++/88335 - Implement P1073R3: Immediate functions
+ * cp-tree.h (struct lang_decl_fn): Add immediate_fn_p bit.
+ (DECL_IMMEDIATE_FUNCTION_P, SET_DECL_IMMEDIATE_FUNCTION_P): Define.
+ (enum cp_decl_spec): Add ds_consteval.
+ (fold_non_dependent_expr): Add another tree argument defaulted to
+ NULL_TREE.
+ * name-lookup.h (struct cp_binding_level): Add immediate_fn_ctx_p
+ member.
+ * parser.c (cp_keyword_starts_decl_specifier_p): Adjust comments
+ for C++11 and C++20 specifiers. Handle RID_CONSTEVAL.
+ (CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): Adjust comment.
+ (CP_PARSER_FLAGS_CONSTEVAL): New.
+ (cp_parser_skip_balanced_tokens): New forward declaration.
+ (cp_parser_lambda_declarator_opt): Handle ds_consteval. Set
+ current_binding_level->immediate_fn_ctx_p before parsing parameter
+ list if decl-specifier-seq contains consteval specifier.
+ (cp_parser_decl_specifier_seq): Handle RID_CONSTEVAL.
+ (cp_parser_explicit_instantiation): Diagnose explicit instantiation
+ with consteval specifier.
+ (cp_parser_init_declarator): For consteval or into flags
+ CP_PARSER_FLAGS_CONSTEVAL.
+ (cp_parser_direct_declarator): If CP_PARSER_FLAGS_CONSTEVAL, set
+ current_binding_level->immediate_fn_ctx_p in the sk_function_parms
+ scope.
+ (set_and_check_decl_spec_loc): Add consteval entry, formatting fix.
+ * call.c (build_addr_func): For direct calls to immediate functions
+ use build_address rather than decay_conversion.
+ (build_over_call): Evaluate immediate function invocations.
+ * error.c (dump_function_decl): Handle DECL_IMMEDIATE_FUNCTION_P.
+ * semantics.c (expand_or_defer_fn_1): Use tentative linkage and don't
+ call mark_needed for immediate functions.
+ * typeck.c (cxx_sizeof_or_alignof_expr): Likewise. Formatting fix.
+ (cp_build_addr_expr_1): Reject taking address of immediate function
+ outside of immediate function.
+ * decl.c (validate_constexpr_redeclaration): Diagnose consteval
+ vs. non-consteval or vice versa redeclaration. Use
+ SET_DECL_IMMEDIATE_FUNCTION_P if new_decl is immediate function.
+ (check_tag_decl): Use %qs with keyword string to simplify translation.
+ Handle ds_consteval.
+ (start_decl): Adjust diagnostics for static or thread_local variables
+ in immediate functions.
+ (grokfndecl): Call sorry_at on virtual consteval. Use %qs with keyword
+ to string to simplify translation. Diagnose consteval main. Use
+ SET_DECL_IMMEDIATE_FUNCTION_P for consteval.
+ (grokdeclarator): Handle consteval. Use %qs with keyword strings to
+ simplify translation. Use separate ifs instead of chained else if
+ for invalid specifiers. For constinit clear constinit_p rather than
+ constexpr_p.
+ * constexpr.c (find_immediate_fndecl): New function.
+ (cxx_eval_outermost_constant_expr): Allow consteval calls returning
+ void. Diagnose returning address of immediate function from consteval
+ evaluation.
+ (fold_non_dependent_expr_template): Add OBJECT argument, pass it
+ through to cxx_eval_outermost_constant_expr.
+ (fold_non_dependent_expr): Add OBJECT argument, pass it through to
+ fold_non_dependent_expr_template.
+ (fold_non_dependent_init): Adjust fold_non_dependent_expr_template
+ caller.
+ * method.c (defaulted_late_check): Adjust diagnostics for consteval.
+ * lambda.c (maybe_add_lambda_conv_op): Copy over
+ DECL_DECLARED_CONSTEXPR_P and DECL_IMMEDIATE_FUNCTION_P bits from
+ callop to both artificial functions.
+ * init.c (build_value_init): Don't do further processing if
+ build_special_member_call returned a TREE_CONSTANT. Formatting fix.
+
+ PR c++/91369 - Implement P0784R7: constexpr new
+ * cp-tree.h (CALL_FROM_NEW_OR_DELETE_P): Define.
+ * init.c (build_new_1, build_vec_delete_1, build_delete): Set
+ CALL_FROM_NEW_OR_DELETE_P on the CALL_EXPR to allocator functions.
+ * constexpr.c (is_std_allocator_allocate): Only allow
+ global replaceable allocator functions if CALL_FROM_NEW_OR_DELETE_P
+ or in std::allocate<T>::{,de}allocate.
+ (potential_constant_expression_1): Likewise.
+
+2019-11-01 Nathan Sidwell <nathan@acm.org>
+
+ * class.c (check_field_decls): Refactor.
+
+2019-10-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/90947
+ * cp-tree.h (type_initializer_zero_p): Declare.
+ * decl.c (reshape_init_array_1): Formatting fix.
+ * tree.c (type_initializer_zero_p): New function. Moved from
+ ../tree.c, use next_initializable_field, formatting fix. Return
+ false for TYPE_NON_AGGREGATE_CLASS types.
+
+2019-10-30 Jason Merrill <jason@redhat.com>
+
+ PR c++/92268 - hard error satisfying return-type-requirement
+ * constraint.cc (type_deducible_p): Check for substitution failure.
+ (diagnose_compound_requirement): Adjust diagnostic.
+ * pt.c (do_auto_deduction): Don't pass cargs to
+ constraints_satisfied_p.
+
+2019-10-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/91369 - Implement P0784R7: constexpr new
+ * constexpr.c (cxx_replaceable_global_alloc_fn): Don't return true
+ for placement new.
+ (cxx_placement_new_fn, is_std_construct_at): New functions.
+ (cxx_eval_call_expression): Allow placement new in std::construct_at.
+ (potential_constant_expression_1): Likewise.
+
+ * typeck.c (decl_in_std_namespace_p): Return true also for decls
+ in inline namespaces inside of std namespace.
+
+2019-10-30 Bernd Edlinger <bernd.edlinger@hotmail.de>
+
+ PR c++/92024
+ * name-lookup.c (check_local_shadow): Shadowing TYPE_DECLs
+ is always a -Wshadow=compatible-local warning, unless
+ -Wshadow is used.
+
+2019-10-30 Jason Merrill <jason@redhat.com>
+
+ * cxx-pretty-print.c (get_fold_operator): Use OVL_OP_INFO.
+
+2019-10-30 Marek Polacek <polacek@redhat.com>
+
+ PR c++/92134 - constinit malfunction in static data member.
+ * decl2.c (grokfield): Set LOOKUP_CONSTINIT.
+
+2019-10-30 Jakub Jelinek <jakub@redhat.com>
+
+ * cp-tree.h (omp_declare_variant_finalize, build_local_temp): Declare.
+ * decl.c: Include omp-general.h.
+ (declare_simd_adjust_this): Add forward declaration.
+ (omp_declare_variant_finalize_one, omp_declare_variant_finalize): New
+ function.
+ (cp_finish_decl, finish_function): Call omp_declare_variant_finalize.
+ * parser.c (cp_finish_omp_declare_variant): Adjust parsing of the
+ variant id-expression and propagate enough information to
+ omp_declare_variant_finalize_one in the attribute so that it can
+ finalize it.
+ * class.c (finish_struct): Call omp_declare_variant_finalize.
+ * tree.c (build_local_temp): No longer static, remove forward
+ declaration.
+
+2019-10-30 Paolo Carlini <paolo.carlini@oracle.com>
+
+ * typeck.c (cp_build_modify_expr): Prefer error + inform to
+ error + error in one place.
+ (get_delta_difference_1): Likewise.
+ (get_delta_difference): Likewise, in two places.
+
+2019-10-29 Paolo Carlini <paolo.carlini@oracle.com>
+
+ * typeck.c (build_x_unary_op): Use the location_t argument in
+ three error_at.
+
+2019-10-29 Marek Polacek <polacek@redhat.com>
+
+ PR c++/90998 - ICE with copy elision in init by ctor and -Wconversion.
+ * call.c (joust): Don't attempt to warn if ->second_conv is null.
+
+2019-10-29 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/92201
+ * cp-gimplify.c (cp_gimplify_expr): If gimplify_to_rvalue changes the
+ function pointer type, re-add cast to the original one.
+
+2019-10-29 Marek Polacek <polacek@redhat.com>
+
+ PR c++/91548 - fix detecting modifying const objects for ARRAY_REF.
+ * constexpr.c (cxx_eval_store_expression): Don't call
+ modifying_const_object_p for ARRAY_REF.
+
+2019-10-29 Richard Sandiford <richard.sandiford@arm.com>
+
+ * cp-objcp-common.h (cxx_simulate_enum_decl): Declare.
+ (LANG_HOOKS_SIMULATE_ENUM_DECL): Define to the above.
+ * decl.c (cxx_simulate_enum_decl): New function.
+
+2019-10-29 Richard Sandiford <richard.sandiford@arm.com>
+
+ * cp-tree.h (cxx_simulate_builtin_function_decl): Declare.
+ * decl.c (cxx_simulate_builtin_function_decl): New function.
+ * cp-objcp-common.h (LANG_HOOKS_SIMULATE_BUILTIN_FUNCTION_DECL):
+ Define to the above.
+
+2019-10-28 Martin Sebor <msebor@redhat.com>
+
+ PR c/66970
+ * cp-objcp-common.c (names_builtin_p): Define new function.
+
+2019-10-28 Nathan Sidwell <nathan@acm.org>
+
+ * parser.h (struct cp_token): Drop {ENUM,BOOL}_BITFIELD C-ism.
+ Add tree_check_p flag, use as nested union discriminator.
+ (struct cp_lexer): Add saved_type & saved_keyword fields.
+ * parser.c (eof_token): Delete.
+ (cp_lexer_new_main): Always init last_token to last token of
+ buffer.
+ (cp_lexer_new_from_tokens): Overlay EOF token at end of range.
+ (cp_lexer_destroy): Restore token under the EOF.
+ (cp_lexer_previous_token_position): No check for eof_token here.
+ (cp_lexer_get_preprocessor_token): Clear tree_check_p.
+ (cp_lexer_peek_nth_token): Check CPP_EOF not eof_token.
+ (cp_lexer_consume_token): Assert not CPP_EOF, no check for
+ eof_token.
+ (cp_lexer_purge_token): Likewise.
+ (cp_lexer_purge_tokens_after): No check for EOF token.
+ (cp_parser_nested_name_specifier, cp_parser_decltype)
+ (cp_parser_template_id): Set tree_check_p.
+
+2019-10-24 Jakub Jelinek <jakub@redhat.com>
+
+ * decl2.c (cplus_decl_attributes): Add "omp declare target block"
+ attribute in between declare target and end declare target
+ pragmas.
+
+ * call.c (convert_arg_to_ellipsis): Add missing space in string
+ literal.
+
+2019-10-24 Marek Polacek <polacek@redhat.com>
+
+ * decl.c (reshape_init_r): Add missing space.
+
+2019-10-24 Nathan Sidwell <nathan@acm.org>
+
+ * pt.c (reduce_template_parm_level): Attach the new TPI to the new
+ DECL.
+ (convert_generic_types_to_packs): Pass the copied type to
+ reduce_templatE_parm_level.
+
+2019-10-23 Nathan Sidwell <nathan@acm.org>
+
+ * cp-tree.c (CPTI_STD_IDENTIFIER): Delete.
+ (std_identifier): Delete.
+ (DECL_NAME_SPACE_STD_P): Compare against std_node.
+ * decl.c (initialize_predefined_identifiers): 'std' is not needed.
+ (cxx_init_decl_processing): Adjust creation of ::std. Use
+ {push,pop}_nested_namespace.
+ (cxx_builtin_function): Use {push,pop}_nested_namespace.
+ * except.c (init_exception_processing): Likewise.
+ * rtti.c (init_rtti_processing): Likewise.
+
+2019-10-23 Jason Merrill <jason@redhat.com>
+
+ Implement P1286R2, Contra CWG1778
+ * method.c (defaulted_late_check): Don't check explicit
+ exception-specification on defaulted function.
+ (after_nsdmi_defaulted_late_checks): Remove.
+ * parser.h (struct cp_unparsed_functions_entry): Remove classes.
+ * parser.c (unparsed_classes): Remove.
+ (push_unparsed_function_queues, cp_parser_class_specifier_1):
+ Adjust.
+
+2019-10-23 Jakub Jelinek <jakub@redhat.com>
+
+ * constexpr.c (cxx_eval_constant_expression) <case CLEANUP_STMT>:
+ Temporarily change input_location to CLEANUP_STMT location.
+
+2019-10-22 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/85887
+ * decl.c (expand_static_init): Drop ECF_LEAF from __cxa_guard_acquire
+ and __cxa_guard_release.
+
+2019-10-22 Marc Glisse <marc.glisse@inria.fr>
+
+ PR c++/85746
+ * constexpr.c (cxx_eval_builtin_function_call): Only set
+ force_folding_builtin_constant_p if manifestly_const_eval.
+
+2019-10-22 Richard Sandiford <richard.sandiford@arm.com>
+
+ * cp-tree.h (STF_USER_VISIBLE): New constant.
+ (strip_typedefs, strip_typedefs_expr): Take a flags argument.
+ * tree.c (strip_typedefs, strip_typedefs_expr): Likewise,
+ updating mutual calls accordingly. When STF_USER_VISIBLE is true,
+ only look through typedefs if user_facing_original_type_p.
+ * error.c (dump_template_bindings, type_to_string): Pass
+ STF_USER_VISIBLE to strip_typedefs.
+ (dump_type): Likewise, unless pp_c_flag_gnu_v3 is set.
+
+2019-10-21 Kamlesh Kumar <kamleshbhalui@gmail.com>
+ Jason Merrill <jason@redhat.com>
+
+ PR c++/83534 - typeinfo of noexcept function
+ * rtti.c (get_tinfo_decl_dynamic): Do not call
+ TYPE_MAIN_VARIANT for function.
+ (get_typeid): Likewise.
+
+2019-10-21 Paolo Carlini <paolo.carlini@oracle.com>
+
+ * parser.c (cp_parser_class_head): Improve error recovery upon
+ extra qualification error.
+
+2019-10-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/92015
+ * constexpr.c (cxx_eval_component_reference, cxx_eval_bit_field_ref):
+ Use STRIP_ANY_LOCATION_WRAPPER on CONSTRUCTOR elts.
+
+2019-10-21 Marek Polacek <polacek@redhat.com>
+
+ PR c++/92062 - ODR-use ignored for static member of class template.
+ * pt.c (has_value_dependent_address): Strip location wrappers.
+
+2019-10-21 Marek Polacek <polacek@redhat.com>
+
+ PR c++/92106 - ICE with structured bindings and -Wreturn-local-addr.
+ * typeck.c (maybe_warn_about_returning_address_of_local): Avoid
+ recursing on null initializer and return false instead.
+
+2019-10-17 JeanHeyd Meneide <phdofthehouse@gmail.com>
+
+ Implement p1301 [[nodiscard("should have a reason")]] + p1771 DR
+ * tree.c (handle_nodiscard_attribute): Handle C++2a nodiscard
+ string message.
+ (std_attribute_table) Increase nodiscard argument handling
+ max_length from 0 to 1.
+ * parser.c (cp_parser_check_std_attribute): Add requirement
+ that nodiscard only be seen once in attribute-list.
+ (cp_parser_std_attribute): Check that empty parenthesis lists are
+ not specified for attributes that have max_length > 0 (e.g.
+ [[attr()]]).
+ * cvt.c (maybe_warn_nodiscard): Add nodiscard message to
+ output, if applicable.
+ (convert_to_void): Allow constructors to be nodiscard-able (P1771).
+
+2019-10-18 Nathan Sidwell <nathan@acm.org>
+
+ * cp-tree.h (struct lang_type): Remove was_anonymous.
+ (TYPE_WAS_UNNAMED): Implement by checking TYPE_DECL &
+ TYPE_STUB_DECL.
+ * decl.c (name_unnamed_type): Don't set TYPE_WAS_UNNAMED.
+
+2019-10-17 Paolo Carlini <paolo.carlini@oracle.com>
+
+ * decl.c (grokfndecl): Remove redundant use of in_system_header_at.
+ (compute_array_index_type_loc): Likewise.
+ (grokdeclarator): Likewise.
+ * error.c (cp_printer): Likewise.
+ * lambda.c (add_default_capture): Likewise.
+ * parser.c (cp_parser_primary_expression): Likewise.
+ (cp_parser_selection_statement): Likewise.
+ (cp_parser_toplevel_declaration): Likewise.
+ (cp_parser_enumerator_list): Likewise.
+ (cp_parser_using_declaration): Likewise.
+ (cp_parser_member_declaration): Likewise.
+ (cp_parser_exception_specification_opt): Likewise.
+ (cp_parser_std_attribute_spec): Likewise.
+ * pt.c (do_decl_instantiation): Likewise.
+ (do_type_instantiation): Likewise.
+ * typeck.c (cp_build_unary_op): Likewise.
+
+ * decl.c (check_tag_decl): Pass to in_system_header_at the same
+ location used for the permerror.
+ (grokdeclarator): Likewise.
+
+ * decl.c (check_tag_decl): Use locations[ds_typedef] in error_at.
+
2019-10-17 Jason Merrill <jason@redhat.com>
* cp-gimplify.c (cp_gimplify_expr): Use get_initialized_tmp_var.
* decl.c (cxx_maybe_build_cleanup): When clearing location of cleanup,
if cleanup is a nop, clear location of its operand too.
+2019-10-15 Andrew Sutton <asutton@lock3software.com>
+
+ Finish moving constraint and logic functionality of out pt.c.
+ Reimplement and re-enable subsumption caching.
+
+ * config-lang.in (gtfiles): Add logic.cc.
+ * constraint.cc (atomic_constraints_identical_p): Add assertions.
+ (hash_atomic_constraint): Likewise.
+ (constraints_equivalent_p): New.
+ (inchash::add_constraint): New.
+ (iterative_hash_constraint): New.
+ (decl_constraints): Moved from pt.c.
+ (get_constraints): Likewise.
+ (set_constraints): Likewise.
+ (remove_constraints): Likewise.
+ * cp-tree.h (CONSTR_P): New.
+ (init_constraint_processing): Remove.
+ (constraints_equivalent_p, iterative_hash_constraint): Declare.
+ * decl.c (cxx_init_decl_processing): Don't initialize constraints.
+ * logic.cc (subsumption_entry): Moved from pt.c.
+ (subsumption_hasher): Likewise.
+ (subsumption_cache): Likewise.
+ (lookup_subsumption): Likewise.
+ (save_subsumption): Likewise.
+ (subsumes_constraints_nonnull): Use subsumption cache.
+ * pt.c: Move aforementioned declarations out of this file.
+ (init_constraint_processing): Remove.
+
+2019-10-15 Andrew Sutton <asutton@lock3software.com>
+
+ * parser.c (cp_parser_constructor_declarator_p): Pass an empty
+ decl-specifier-seq to make sure we parse type constraints as part
+ of a type-specifier.
+
2019-10-15 Nathan Sidwell <nathan@acm.org>
* class.c (build_clones): Break out of clone_function_decl. Just
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