2018-03-02 Marek Polacek PR c++/84663 * decl.c (cp_complete_array_type): Check error_mark_node. PR c++/84664 * typeck.c (cp_perform_integral_promotions): Check the result of mark_rvalue_use. 2018-03-02 Jakub Jelinek PR c++/84662 * pt.c (tsubst_copy_and_build) : Use RETURN instead of return. : Likewise. : If op0 is error_mark_node, just return it instead of wrapping it into CONVERT_EXPR. 2018-03-02 Jason Merrill Fix MIPS16 ICE. * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC. 2018-03-02 Marek Polacek PR c++/84590 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR wrapped in VIEW_CONVERT_EXPR. 2018-03-01 Martin Sebor PR c++/84294 * decl.c (check_redeclaration_no_default_args): Merge attributes specified on redeclarations of the same function template. Remove dead code. 2018-03-01 Marek Polacek Jason Merrill PR c++/84582 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in a template. (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR. * typeck2.c (store_init_value): Call fold_non_dependent_expr instead of instantiate_non_dependent_expr. * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR. 2018-03-01 Nathan Sidwell PR c++/84434 * name-lookup.c (member_vec_dedup): Remove manually peeled iteration. Ignore dependent ctor inheritance. 2018-03-01 Jason Merrill PR c++/71569 - decltype of template. * parser.c (cp_parser_decltype_expr): Handle missing template args. 2018-03-01 Marek Polacek PR c++/84596 * constexpr.c (require_rvalue_constant_expression): New function. * cp-tree.h: Declare it. * semantics.c (finish_static_assert): Use it instead of require_potential_rvalue_constant_expression. 2018-03-01 Jason Merrill Alexandre Oliva PR c++/71569 - ICE with redundant args on member variable template. * decl.c (start_decl): Handle partial specialization of member variable template. * pt.c (determine_specialization): Allow partial specialization of member variable template without specializing enclosing class. (process_partial_specialization): Improve error message. 2018-02-28 Jason Merrill PR c++/71784 - ICE with ref-qualifier and explicit specialization. * pt.c (determine_specialization): Check ref-qualifier. 2018-02-28 Jakub Jelinek PR c++/84609 * parser.c (cp_parser_attributes_opt): Formatting fix. (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt, cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt): New functions. (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt instead of tentative parse to peek over optional attribute tokens to check for CPP_COLON after them. PR c++/83871 PR c++/83503 * pt.c (INCLUDE_STRING): Remove define. (warn_spec_missing_attributes): Use pretty_printer instead of std::string. Fix up inform call so that the list of attributes is in %s argument. 2018-02-28 Martin Sebor PR testsuite/84617 * decl.c (duplicate_decls): Fully merge attributes const, pure, and malloc. 2018-02-28 Nathan Sidwell PR c++/84602 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg. * name-lookup.c (fields_linear_search): Look in an anon-aggr regardless of want_type. (search_anon_aggr): Just use get_class_binding_direct. 2018-02-28 Jakub Jelinek * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling inform_n. 2018-02-27 Martin Sebor * pt.c: Avoid including directly. 2018-02-27 Martin Sebor PR c++/83871 PR c++/83503 * cp-tree.h (warn_spec_missing_attributes): New function. ((check_explicit_specialization): Add an argument. Call the above function. * decl.c (duplicate_decls): Avoid applying primary function template's attributes to its explicit specializations. cp/pt.c (warn_spec_missing_attributes): Define. 2018-02-27 Håkon Sandsmark PR c++/71546 - lambda init-capture with qualified-id. * parser.c (cp_parser_lambda_introducer): Clear scope after each lambda capture. 2018-02-27 Nathan Sidwell PR c++/84426 * name-lookup.h (get_member_slot): Rename ... (find_member_slot): ... here. (add_member_slot): New. * name-lookup.c (member_vec_linear_search): No need to check for NULL slot. (get_member_slot): Rename ... (find_member_slot): ... here. Don't add slot for incomplete class. (add_member_slot): New. * class.c (add_method): Adjust get_member_slot rename. Bail out if push_class_level_binding fails. Create slot and grok properties once we're committed to insertion. 2018-02-27 Jason Merrill PR c++/84489 - dependent default template argument * pt.c (type_unification_real): Handle early substitution failure. 2018-02-26 Jason Merrill PR c++/84560 - ICE capturing multi-dimensional VLA. * tree.c (array_of_runtime_bound_p): False if the element is variably-modified. PR c++/84441 - ICE with base initialized from ?: * call.c (unsafe_copy_elision_p): Handle COND_EXPR. PR c++/84520 - ICE with generic lambda in NSDMI. * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI 'this' in a generic lambda instantiation. PR c++/84559 - ICE with constexpr VLA. * constexpr.c (ensure_literal_type_for_constexpr_object): Check for constexpr variable with VLA type. 2018-02-26 Jakub Jelinek PR c++/84558 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like a valid constant initializer. Formatting fixes. 2018-02-26 Paolo Carlini PR c++/84540 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute returning NULL_TREE. (apply_late_template_attributes): Likewise. 2018-02-26 Jakub Jelinek PR c++/84557 * parser.c (cp_parser_omp_var_list_no_open): Only call cp_parser_lookup_name_simple on names satisfying identifier_p. (cp_parser_oacc_routine): Likewise. 2018-02-26 Jason Merrill PR c++/84551 - ICE with concepts and -g. * parser.c (add_debug_begin_stmt): Do nothing in a concept. 2018-02-26 Marek Polacek PR c++/84325 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on non-types. 2018-02-26 Jason Merrill PR c++/84447 - ICE with deleted inherited ctor with default arg. * call.c (build_over_call): Handle deleted functions in one place. 2018-02-26 Paolo Carlini PR c++/84533 * decl.c (redeclaration_error_message): Don't try to use DECL_DECLARED_CONSTEXPR_P on CONST_DECLs. 2018-02-26 Paolo Carlini * lambda.c (build_capture_proxy): Define static. * cp-tree.h (build_capture_proxy): Remove. 2018-02-26 Marek Polacek PR c++/84537 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false if name is error node. 2018-02-25 Jason Merrill PR c++/84015 - ICE with class deduction and auto template parm. * pt.c (rewrite_template_parm): Use tf_partial in first tsubst. 2018-02-24 Marek Polacek PR c++/83692 * constexpr.c (maybe_constant_init_1): New function. (maybe_constant_init): Make it a wrapper around maybe_constant_init_1. (cxx_constant_init): New function. * cp-tree.h (cxx_constant_init): Declare. * typeck2.c (store_init_value): Call cxx_constant_init instead of cxx_constant_value. Move the maybe_constant_init call under an 'else'. 2018-02-22 Jason Merrill PR c++/70468 - ICE with constructor delegation via typedef. * pt.c (tsubst_initializer_list): Check for other mem-initializers with constructor delegation. 2018-02-22 Jason Merrill PR c++/84424 - ICE with constexpr and __builtin_shuffle. * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of VECTOR_TYPE. 2018-02-22 Marek Polacek PR c++/84493 * parser.c (cp_parser_braced_list): Use require_open instead of consume_open. 2018-02-21 Jason Merrill PR c++/84454 - ICE with pack expansion in signature. * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION. 2018-02-20 Siddhesh Poyarekar * cp-objcp-common.c (cxx_block_may_fallthru): Add case for IF_STMT. 2018-02-20 Paolo Carlini PR c++/84446 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope on error_mark_node. 2018-02-20 Jakub Jelinek PR c++/84445 * class.c (fixed_type_or_null) : Only test TREE_HAS_CONSTRUCTOR if instance is not an internal function call. PR c++/84449 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs returns error_mark_node, return it immediately. (break_out_target_exprs): If cp_walk_tree with bot_manip returns error_mark_node, return error_mark_node. PR c++/84455 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily function_depth to avoid GC during finish_lambda_function. 2018-02-19 Jason Merrill PR c++/84429 - ICE capturing VLA. * lambda.c (build_capture_proxy): Handle reference refs. 2018-02-19 Jakub Jelinek PR c++/84448 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if either operand is error_mark_node, set current.lhs to that instead of creating a binary op with error_mark_node operands. PR c++/84430 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD. 2018-02-19 Paolo Carlini PR c++/84348 * decl.c (grokdeclarator): Early return error_mark_node upon ill-formed friend declaration. 2018-02-16 Marek Polacek Jakub Jelinek PR c++/84192 * constexpr.c (cxx_eval_constant_expression) : Don't set *jump_target to anything if jump_target is NULL. 2018-02-16 Jason Merrill PR c++/84151 - unnecessary volatile load with static member. * call.c (build_new_method_call_1): Avoid loading from a volatile lvalue used as the object argument for a static member function. PR c++/81853 - using-directive and constexpr. * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT. PR c++/84420 - ICE with structured binding in lambda. * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P. PR c++/83835 - C++17 error with constructor ctors. * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P. PR c++/82664 - ICE with reference to function template parm. * pt.c (convert_nontype_argument_function): Avoid obfuscationg NOP_EXPRs. PR c++/82764 - C++17 ICE with empty base * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base. 2018-02-16 Jason Merrill PR c++/84421 - type-dependent if constexpr * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p. 2018-02-16 Nathan Sidwell Deprecate -ffriend-injection. * decl.c (cxx_init_decl_processing): Emit warning on option. * name-lookup.c (do_pushdecl): Emit warning if we push a visible friend. 2018-02-16 Paolo Carlini PR c++/82468 * decl.c (check_special_function_return_type): Reject template template parameter in deduction guide. 2018-02-16 Nathan Sidwell PR c++/84375 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection. 2018-02-15 Jason Merrill PR c++/83227 - C++17 ICE with init-list derived-to-base conversion. * call.c (convert_like_real): Don't use the copy-list-initialization shortcut for ck_base. PR c++/84045 - ICE with typedef and noexcept. * except.c (build_noexcept_spec): Use strip_typedefs_expr. PR c++/84376 - ICE with omitted template arguments. * pt.c (dguide_name_p): Check for IDENTIFIER_NODE. PR c++/84368 - wrong error with local variable in variadic lambda. * pt.c (tsubst_pack_expansion): Fix handling of non-packs in local_specializations. 2018-02-15 Paolo Carlini PR c++/84330 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node as first argument. 2018-02-14 Paolo Carlini PR c++/84350 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null init, early return. 2018-02-14 Nathan Sidwell * decl2.c (mark_vtable_entries): Set input_location to decl's. (c_parse_final_cleanups): Restore input_location after emitting vtables. 2018-02-14 Paolo Carlini * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove. (do_auto_deduction (tree, tree, tree, tsubst_flags_t, auto_deduction_context, tree, int): Add defaults. * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition. (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward tsubst_flags_t argument. * init.c (build_new): Likewise. 2018-02-13 Jakub Jelinek PR c++/84364 * typeck.c (check_return_expr): Don't emit -Weffc++ warning about return other than *this in assignment operators if retval is type dependent expression. 2018-02-13 Paolo Carlini PR c++/84333 * call.c (build_conditional_expr_1): Use cp_save_expr instead of save_expr for the G++ extension. 2018-02-13 Jason Merrill PR c++/84080 - ICE with return type deduction and specialization. * pt.c (determine_specialization): Check uses_template_parms. Fix more variadic capture issues. * pt.c (find_parameter_packs_r): Also look at explicit captures. (check_for_bare_parameter_packs): Check current_class_type for lambda context. (extract_locals_r): Handle seeing a full instantiation of a pack. (tsubst_pack_expansion): Likewise. Force lambda capture. * parser.c (cp_parser_lambda_introducer): Don't check_for_bare_parameter_packs. PR c++/84338 - wrong variadic sizeof. * pt.c (argument_pack_select_arg): Like the macro, but look through a pack expansion. (tsubst, tsubst_copy, dependent_template_arg_p): Use it. (extract_fnparm_pack): Do make_pack_expansion. (extract_locals_r): Do strip a pack expansion. * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove. 2018-02-12 Jakub Jelinek PR c++/84341 * parser.c (cp_parser_binary_expression): Use build_min instead of build2_loc to build the no_toplevel_fold_p toplevel binary expression. 2018-02-12 Nathan Sidwell PR c++/84263 * parser.c (cp_parser_decltype): Push and pop deferring_access_checks. Reorganize to avoid goto. 2018-02-12 Richard Biener PR c++/84281 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact uniform constructors and delay allocating them fully. 2018-02-09 Jason Merrill PR c++/84036 - ICE with variadic capture. Handle variadic capture proxies more like non-variadic. * lambda.c (build_capture_proxy): Remove workaround. * pt.c (find_parameter_packs_r): The proxy is a pack. (instantiate_class_template_1): Remove dead lambda code. (extract_fnparm_pack): Don't make_pack_expansion. (extract_locals_r): Don't strip a pack expansion. (tsubst_pack_expansion): Handle proxy packs. Use PACK_EXPANSION_EXTRA_ARGS less. (tsubst_decl) [FIELD_DECL]: Don't register_specialization. (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization. [VAR_DECL]: Handle ARGUMENT_PACK_SELECT. (tsubst_expr) [DECL_EXPR]: Handle proxy packs. (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally. 2018-02-10 Jakub Jelinek PR sanitizer/83987 * tree.c (cp_free_lang_data): Revert 2018-01-23 change. 2018-02-09 Jason Merrill PR c++/81917 - ICE with void_t and partial specialization. * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before calling most_specialized_partial_spec. 2018-02-09 Nathan Sidwell PR c/84293 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1): Pass expr location to strict_aliasing_warning. 2018-02-09 Jason Merrill PR c++/84296 - ICE with qualified-id in template. PR c++/83714 * pt.c (unknown_base_ref_p): New. (instantiation_dependent_scope_ref_p): Use it instead of any_dependent_bases_p. 2018-02-09 Marek Polacek Jakub Jelinek PR c++/83659 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from fold_indirect_ref_1, including poly_*int64. Verify first that tree_fits_poly_int64_p (op01). Formatting fixes. 2018-02-08 Paolo Carlini * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P. * lambda.c (build_capture_proxy): Likewise. * search.c (field_access_p): Likewise. * semantics.c (omp_clause_decl, omp_privatize_field, finish_omp_clauses): Likewise. 2018-02-08 Paolo Carlini PR c++/83806 * typeck.c (decay_conversion): Use mark_rvalue_use for the special case of nullptr too. 2018-02-08 Nathan Sidwell * class.c (finish_struct): Fix std:initializer_list diagnostic formatting. 2018-02-08 Paolo Carlini PR c++/83204 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF. 2018-02-07 Jakub Jelinek PR c++/84082 * parser.c (cp_parser_dot_deref_incomplete): New function. (cp_parser_postfix_dot_deref_expression): Use it. 2018-02-07 David Malcolm PR c++/81610 PR c++/80567 * name-lookup.c (suggest_rid_p): New function. (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to suggest_rid_p. 2018-02-07 Jason Merrill PR c++/84182 - ICE with captured lambda PR c++/84181 * pt.c (extract_locals_r, extract_local_specs): New. (tsubst_pack_expansion): Use them. 2018-02-07 Martin Liska PR c++/84059. * class.c (add_method): Append argument value. * cp-tree.h (maybe_version_functions): Add new argument. * decl.c (decls_match): Call it if a declaration does not have DECL_FUNCTION_VERSIONED. (maybe_version_functions): record argument is added. 2018-02-05 Marek Polacek * class.c: Remove unused global variables. (build_primary_vtable): Don't gather statistics. (print_class_statistics): Remove. * cp-tree.h (print_class_statistics): Remove. * tree.c (cxx_print_statistics): Don't call print_class_statistics. 2018-02-02 Paolo Carlini * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD. * constexpr.c (cx_check_missing_mem_inits): Likewise. * decl.c (next_initializable_field, find_decomp_class_base, cp_finish_decomp): Likewise. * typeck2.c (process_init_constructor_record): Likewise. 2018-02-02 Jason Merrill PR c++/84181 - ICE with lambda parm in template argument. * tree.c (strip_typedefs_expr): Use cp_tree_operand_length. 2018-02-01 Jason Merrill PR c++/84160 - ICE with nested variadic capture. * lambda.c (is_capture_proxy_with_ref): New. (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a COMPONENT_REF. * expr.c (mark_use): Use is_capture_proxy_with_ref. * constexpr.c (potential_constant_expression_1): Likewise. * semantics.c (process_outer_var_ref): Likewise. 2018-02-01 Marek Polacek PR c++/84125 * typeck.c (build_address): Relax the assert when processing_template_decl. 2018-02-01 Jason Merrill PR c++/84126 - ICE with variadic generic lambda PR c++/84036 PR c++/82249 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in PACK_EXPANSION_EXTRA_ARGS. 2018-02-01 Paolo Carlini PR c++/83796 * call.c (convert_like_real): If w're initializing from {} explicitly call abstract_virtuals_error_sfinae. 2018-01-31 Jason Merrill Jakub Jelinek PR c++/83993 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT on ADDR_EXPR. 2018-01-31 Jakub Jelinek PR c++/83993 * constexpr.c (diag_array_subscript): Emit different diagnostics if TYPE_DOMAIN (arraytype) is NULL. (cxx_eval_array_reference, cxx_eval_store_expression): For arrays with NULL TYPE_DOMAIN use size_zero_node as nelts. 2018-01-31 Paolo Carlini PR c++/84092 * semantics.c (finish_qualified_id_expr): When handling an UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr. 2018-01-31 Marek Polacek PR c++/84138 * cp-gimplify.c (cp_fold): Check if X is an error node before calling useless_type_conversion_p. 2018-01-30 Jason Merrill PR c++/84091 - ICE with local class in lambda in template. * decl2.c (determine_visibility): Look for outer containing template instantiation. PR c++/84098 - ICE with lambda in template NSDMI. * pt.c (instantiate_class_template_1): Ignore more lambdas. 2018-01-29 Jason Merrill PR c++/68810 - wrong location for reinterpret_cast error. * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when !dofold. 2018-01-29 Marek Polacek PR c++/83996 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1] => fooarray[1] in offset_int. 2018-01-29 Jason Merrill PR c++/83942 - wrong unused warning with static_cast. * cvt.c (ocp_convert): Call mark_rvalue_use. 2018-01-26 Jason Merrill PR c++/83956 - wrong dtor error with anonymous union * method.c (walk_field_subobs): Variant members only affect deletedness. (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic. PR c++/84036 - ICE with variadic capture. PR c++/82249 * pt.c (tsubst_pack_expansion): When optimizing a simple substitution, pull a single pack expansion out of its pack. PR c++/82514 - ICE with local class in generic lambda. * pt.c (regenerated_lambda_fn_p): Remove. (enclosing_instantiation_of): Don't use it. (tsubst_function_decl): Call enclosing_instantiation_of. * pt.c (lookup_template_class_1): Add sanity check. * name-lookup.c (do_pushtag): Don't add closures to local_classes. 2018-01-25 Jakub Jelinek PR c++/84031 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore recursive calls that return ret. (cp_finish_decomp): Ignore unnamed bitfields. 2018-01-23 Jason Merrill PR c++/82249 - wrong mismatched pack length error. * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle unsubstituted function parameter pack. 2018-01-23 Paolo Carlini PR c++/83921 * decl.c (check_for_uninitialized_const_var): Not static; add bool and tsubst_flags_t parameters; adjust to be used both in constexpr context and not. * constexpr.c (potential_constant_expression_1): Use the above. * cp-tree.h (check_for_uninitialized_const_var): Declare. 2018-01-23 Jason Merrill PR c++/83947 - ICE with auto declarations. * pt.c (do_auto_deduction): Don't deduce from an auto decl. * decl.c (undeduced_auto_decl): Limit to vars and fns. 2018-01-23 David Malcolm PR c++/83974 * pt.c (tsubst_copy_and_build) : Remove early bailout for pointer to member function types. 2018-01-23 Jakub Jelinek PR sanitizer/83987 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node. 2018-01-23 Nathan Sidwell PR c++/83988 * pt.c (tsubst_baselink): Remove optype assert. * ptree.c (cxx_print_xnode): Print BASELINK_OPTYPE. 2018-01-23 Jakub Jelinek PR c++/83958 * decl.c (cp_finish_decomp): Diagnose if reference structure binding refers to incomplete type. 2018-01-23 Nathan Sidwell Deprecate ARM-era for scope handling * decl.c (poplevel): Flag_new_for_scope is a boolean-like. (cxx_init_decl_processing): Deprecate flag_new_for_scope being cleared. * name-lookup.c (check_for_out_of_scope_variable): Deprecate and cleanup handling. * semantics.c (begin_for_scope): Flag_new_for_scope is boolean-like. (finish_for_stmt, begin_range_for_stmt): Likewise. 2018-01-22 Jason Merrill PR c++/83720 * decl2.c (determine_visibility): Fix template_decl handling instead of blocking it. PR c++/83720 - ICE with lambda and LTO. * decl2.c (determine_visibility): Clear template_decl for function-scope decls. Propagate anonymous linkage from containing function. 2018-01-22 Marek Polacek PR c++/81933 * typeck2.c (split_nonconstant_init_1): Return false if we didn't split out anything. 2018-01-22 Ville Voutilainen PR c++/83895 * decl.c (grokdeclarator): Don't diagnose extra parens on typedefs. 2018-01-19 Jakub Jelinek PR c++/81167 * call.c (joust): Use TREE_TYPE (source) if source is a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn). PR c++/83919 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers for direct enum init. * decl.c (reshape_init): Likewise. 2018-01-19 Marek Polacek * constexpr.c (fold_simple): Simplify. 2018-01-18 Jason Merrill PR c++/83714 * search.c (any_dependent_bases_p): Handle null TREE_BINFO. * pt.c (instantiation_dependent_scope_ref_p): True if any_dependent_bases_p. 2018-01-18 Paolo Carlini * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P vs DECL_NONTRIVIALLY_INITIALIZED_P). 2018-01-18 Jason Merrill PR c++/82461 - constexpr list-initialized member * constexpr.c (potential_constant_expression_1): Check TARGET_EXPR_DIRECT_INIT_P. 2018-01-18 Paolo Carlini PR c++/81013 * decl.c (xref_basetypes): Early return upon error about derived union. 2018-01-18 Nathan Sidwell PR c++/83160 * cp-tree.h (mark_use): Declare. * expr.c (mark_use): Make extern. * call.c (direct_reference_binding): Set inner conv's rvaluedness_matches_p, if it is an identity. (convert_like_real): Mark lvalue or rvalue use for identity as rvaledness_matches_p demands. 2018-01-18 Jakub Jelinek PR c++/83824 * parser.c (attr_chainon): New function. (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq, cp_parser_namespace_definition, cp_parser_init_declarator, cp_parser_type_specifier_seq, cp_parser_parameter_declaration, cp_parser_gnu_attributes_opt): Use it. (cp_parser_member_declaration, cp_parser_objc_class_ivars, cp_parser_objc_struct_declaration): Likewise. Don't reset prefix_attributes if attributes is error_mark_node. 2018-01-17 Paolo Carlini PR c++/78344 * decl.c (grokdeclarator): Do not append the error_mark_node due to an erroneous optional attribute-specifier-seq. 2018-01-17 Jakub Jelinek PR c++/83897 * cp-gimplify.c (cp_maybe_instrument_return): Handle CLEANUP_POINT_EXPR. 2018-01-17 Paolo Carlini PR c++/81054 * constexpr.c (ensure_literal_type_for_constexpr_object): Return error_mark_node when we give an error. * decl.c (cp_finish_decl): Use the latter. 2018-01-17 Nathan Sidwell PR c++/83287 * init.c (build_raw_new_expr): Scan list for lookups to keep. 2018-01-17 David Malcolm PR c++/83814 * expr.c (fold_for_warn): Move from c-common.c, reducing to just the C++ part. If processing a template, call fold_non_dependent_expr rather than fully folding. 2018-01-17 Jason Merrill PR c++/81067 - redundant NULL warning. * call.c (convert_like_real): Restore null_node handling. 2018-01-17 Jason Merrill PR c++/81843 - ICE with variadic member template. PR c++/72801 * pt.c (unify_pack_expansion): Don't try to deduce enclosing template args. 2018-01-17 David Malcolm PR c++/83799 * pt.c (type_dependent_expression_p): Strip any location wrapper before testing tree codes. (selftest::test_type_dependent_expression_p): New function. (selftest::cp_pt_c_tests): Call it. 2018-01-17 Nathan Sidwell PR c++/83739 * pt.c (tsubst_expr) : Rebuild a range_for if this not a final instantiation. 2018-01-16 Jason Merrill PR c++/83714 - ICE checking return in template. * typeck.c (check_return_expr): Call build_non_dependent_expr. 2018-01-16 Jakub Jelinek PR c++/83817 * pt.c (tsubst_copy_and_build) : If function is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P instead of CALL_FROM_THUNK_P. PR c++/83825 * name-lookup.c (member_vec_dedup): Return early if len is 0. (resort_type_member_vec, set_class_bindings, insert_late_enum_def_bindings): Use vec qsort method instead of calling qsort directly. 2018-01-15 Martin Sebor PR c++/83588 * class.c (find_flexarrays): Make a record of multiple flexible array members. 2018-01-12 Jason Merrill PR c++/83186 - ICE with static_cast of list-initialized temporary. * typeck.c (build_static_cast): Use build_non_dependent_expr. 2018-01-12 Nathan Sidwell * cp-tree.h (mark_rvalue_use): Add parm name. * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to mark_rvalue_use. * call.c (convert_like_real): Fix formatting. 2018-01-11 Jason Merrill PR c++/82728 - wrong -Wunused-but-set-variable PR c++/82799 PR c++/83690 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use. * decl.c (case_conversion): Likewise. * semantics.c (finish_static_assert): Call perform_implicit_conversion_flags. 2018-01-11 Nathan Sidwell * method.c (enum mangling_flags): Delete long-dead enum. 2018-01-10 Paolo Carlini * parser.c (cp_parser_std_attribute_spec): When token_pair::require_open / require_close return false simply return error_mark_node, avoid duplicate cp_parser_error about expected '(' / ')', respectively. 2018-01-10 David Malcolm PR c++/43486 * call.c (null_ptr_cst_p): Strip location wrappers when converting from '0' to a pointer type in C++11 onwards. (conversion_null_warnings): Replace comparison with null_node with call to null_node_p. (build_over_call): Likewise. * cp-gimplify.c (cp_fold): Remove the early bailout when processing_template_decl. * cp-lang.c (selftest::run_cp_tests): Call selftest::cp_pt_c_tests and selftest::cp_tree_c_tests. * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method. (selftest::run_cp_tests): Move decl to bottom of file. (null_node_p): New inline function. (selftest::cp_pt_c_tests): New decl. (selftest::cp_tree_c_tests): New decl. * cvt.c (build_expr_type_conversion): Replace comparison with null_node with call to null_node_p. * error.c (args_to_string): Likewise. * except.c (build_throw): Likewise. * mangle.c (write_expression): Skip location wrapper nodes. * parser.c (literal_integer_zerop): New function. (cp_parser_postfix_expression): Call maybe_add_location_wrapper on the result for RID_TYPEID. Pass true for new "wrap_locations_p" param of cp_parser_parenthesized_expression_list. When calling warn_for_memset, replace integer_zerop calls with literal_integer_zerop, eliminating the double logical negation cast to bool. Eliminate the special-casing for CONST_DECL in favor of the fold_for_warn within warn_for_memset. (cp_parser_parenthesized_expression_list): Add "wrap_locations_p" param, defaulting to false. Convert "expr" to a cp_expr, and call maybe_add_location_wrapper on it when wrap_locations_p is true. (cp_parser_unary_expression): Call maybe_add_location_wrapper on the result for RID_ALIGNOF and RID_SIZEOF. (cp_parser_builtin_offsetof): Likewise. * pt.c: Include "selftest.h". (tsubst_copy): Handle location wrappers. (tsubst_copy_and_build): Likewise. (build_non_dependent_expr): Likewise. (selftest::test_build_non_dependent_expr): New function. (selftest::cp_pt_c_tests): New function. * tree.c: Include "selftest.h". (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes. (selftest::test_lvalue_kind): New function. (selftest::cp_tree_c_tests): New function. * typeck.c (string_conv_p): Strip any location wrapper from "exp". (cp_build_binary_op): Replace comparison with null_node with call to null_node_p. (build_address): Use location of operand when building address expression. 2018-01-10 Marek Polacek PR c++/82541 * call.c (build_conditional_expr_1): Check complain before warning. * pt.c (tsubst_copy_and_build) : Suppress -Wduplicated-branches. 2018-01-10 Jakub Jelinek PR c++/81327 * call.c (maybe_warn_class_memaccess): Add forward declaration. Change last argument from tree * to const vec *, adjust args uses and check number of operands too. Don't strip away any nops. Use maybe_constant_value when looking for INTEGER_CST args. Deal with src argument not having pointer type. Check tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless test. (build_over_call): Call maybe_warn_class_memaccess here on the original arguments. (build_cxx_call): Rather than here on converted arguments. 2018-01-10 Paolo Carlini PR c++/81055 * init.c (build_vec_init): Avoid building an INIT_EXPR with error_mark_node as second argument. 2018-01-09 Jakub Jelinek PR c++/83734 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs in STATEMENT_LIST. Remove unneeded assert. 2018-01-03 Richard Sandiford Alan Hayward David Sherwood * constexpr.c (cxx_eval_array_reference): Handle polynomial VECTOR_CST_NELTS. (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS. * call.c (build_conditional_expr_1): Likewise. * decl.c (cp_finish_decomp): Likewise. * mangle.c (write_type): Likewise. * typeck.c (structural_comptypes): Likewise. (cp_build_binary_op): Likewise. * typeck2.c (process_init_constructor_array): Likewise. 2018-01-03 Jakub Jelinek PR c++/83555 * typeck.c (build_static_cast_1): For static casts to reference types, call build_base_path with flag_delete_null_pointer_checks as nonnull instead of always false. When -fsanitize=null, call ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST. * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL call if the first argument is INTEGER_CST with REFERENCE_TYPE. 2018-01-03 Nathan Sidwell PR c++/83667 * method.c (make_alias_for): Copy DECL_CONTEXT. 2018-01-03 Marek Polacek PR c++/83592 * decl.c (grokdeclarator): Don't warn about MVP in typename context. 2018-01-03 Jakub Jelinek PR preprocessor/83602 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def for builtin macros. PR c++/83634 * cp-gimplify.c (cp_fold) : If the operand folds to error_mark_node, return error_mark_node. Update copyright years. 2018-01-02 Jakub Jelinek PR c++/83556 * tree.c (replace_placeholders_r): Pass NULL as last argument to cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees to false and return. (replace_placeholders): Pass NULL instead of &pset as last argument to cp_walk_tree. 2018-01-02 Nathan Sidwell * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local lval var. Copyright (C) 2018 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.