2018-02-13 Jason Merrill 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.