PR tree-optimization/85822
[official-gcc.git] / gcc / cp / ChangeLog
blobee7361b6e2771bd565edbf983f7d509812185d25
1 2018-05-22  Jason Merrill  <jason@redhat.com>
3         PR c++/81420 - not extending temporary lifetime.
4         * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
5         * class.c (build_base_path): Avoid redundant move of an rvalue.
7         PR c++/85866 - error with .* in default template arg.
8         * pt.c (tsubst_copy_and_build): Handle partial instantiation.
10 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
12         * parser.c (cp_parser_parameter_declaration_list): Remove
13         bool* parameter.
14         (cp_parser_parameter_declaration_clause): Adjust.
15         (cp_parser_cache_defarg): Likewise.
17 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
19         PR c++/84588
20         * parser.c (cp_parser_maybe_commit_to_declaration,
21         cp_parser_check_condition_declarator): New.
22         (cp_parser_simple_declaration): Use the first above.
23         (cp_parser_condition): Use both the above; enforce
24         [stmt.stmt]/2 about the declarator not specifying
25         a function or an array; improve error-recovery.
27 2018-05-20  Jason Merrill  <jason@redhat.com>
29         PR libstdc++/85843 - warning in logic_error copy constructor.
30         * class.c (type_has_user_nondefault_constructor): Check for a
31         user-provided ctor, not user-declared.
33 2018-05-19  Jason Merrill  <jason@redhat.com>
35         * pt.c (tsubst_pack_expansion): Sorry rather than abort
36         on __integer_pack as subexpression of pattern.
38 2018-05-18  Jason Merrill  <jason@redhat.com>
40         PR c++/58407 - deprecated implicit copy ops.
41         * call.c (build_over_call): Warn about deprecated trivial fns.
42         * class.c (classtype_has_user_copy_or_dtor): New.
43         (type_build_ctor_call): Check TREE_DEPRECATED.
44         (type_build_dtor_call): Likewise.
45         * decl2.c (cp_warn_deprecated_use): Move from tree.c.
46         Add checks.  Return bool.  Handle -Wdeprecated-copy.
47         (mark_used): Use it.
48         * decl.c (grokdeclarator): Remove redundant checks.
49         * typeck2.c (build_functional_cast): Likewise.
50         * method.c (lazily_declare_fn): Mark deprecated copy ops.
51         * init.c (build_aggr_init): Only set TREE_USED if there are
52         side-effects.
54 2018-05-18  Cesar Philippidis  <cesar@codesourcery.com>
56         PR c++/85782
57         * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
58         OACC_LOOPs.
60 2018-05-18  Richard Sandiford  <richard.sandiford@linaro.org>
62         * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
63         (potential_constant_expression_1): Likewise.
65 2018-05-16  Marek Polacek  <polacek@redhat.com>
67         PR c++/85363
68         * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
69         * tree.c (bot_manip): Call set_flags_from_callee for
70         AGGR_INIT_EXPRs too.
72 2018-05-15  Jason Merrill  <jason@redhat.com>
74         * cp-tree.h (cp_expr): Remove copy constructor.
75         * mangle.c (struct releasing_vec): Declare copy constructor.
77         * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
79         PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
80         * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
81         is a throw-expression.
83 2018-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
85         * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
86         (FOR_EACH_CLONE): Update.
87         * decl.c (grokdeclarator): Use it.
88         * decl2.c (vague_linkage_p): Likewise.
89         * mangle.c (mangle_decl): Likewise.
90         * method.c (lazily_declare_fn): Likewise.
91         * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
92         * repo.c (repo_emit_p): Likewise.
93         * tree.c (decl_linkage): Likewise.
95 2018-05-14  Jason Merrill  <jason@redhat.com>
97         Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
98         * tree.c (build_cp_fntype_variant): New.
99         (build_ref_qualified_type, build_exception_variant)
100         (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
101         (cxx_type_hash_eq, cp_check_qualified_type): Check
102         TYPE_HAS_LATE_RETURN_TYPE.
103         (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
104         (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
105         * class.c (build_clone): Use cxx_copy_lang_qualifiers.
106         (adjust_clone_args): Likewise.
107         * decl.c (grokfndecl): Add late_return_type_p parameter.  Use
108         build_cp_fntype_variant.
109         (grokdeclarator): Pass late_return_type_p to grokfndecl.
110         (check_function_type): Use cxx_copy_lang_qualifiers.
111         (static_fn_type): Use cxx_copy_lang_qualifiers.
112         * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
113         (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
114         (change_return_type): Use cxx_copy_lang_qualifiers.
115         * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
116         * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
117         return type on the declarator like a normal trailing return type.
118         * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
119         (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
120         * typeck.c (merge_types): Use build_cp_fntype_variant.
122 2018-05-14  Paolo Carlini  <paolo.carlini@oracle.com>
124         * cp-tree.h (TYPE_REF_P): New.
125         (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
126         * call.c (build_list_conv, build_aggr_conv, standard_conversion,
127         direct_reference_binding, reference_binding, implicit_conversion,
128         add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
129         build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
130         build_over_call, perform_implicit_conversion_flags,
131         extend_ref_init_temps, type_has_extended_temps): Use it.
132         * class.c (one_inheriting_sig, check_field_decls,
133         check_bases_and_members, find_flexarrays, finish_struct,
134         fixed_type_or_null): Likewise.
135         * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
136         non_const_var_error, cxx_eval_constant_expression,
137         potential_constant_expression_1): Likewise.
138         * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
139         cp_genericize_r, cxx_omp_privatize_by_reference,
140         cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
141         cp_fold_maybe_rvalue): Likewise.
142         * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
143         * cvt.c (build_up_reference, convert_to_reference,
144         convert_from_reference, convert_to_void, noexcept_conv_p,
145         fnptr_conv_p): Likewise.
146         * decl.c (poplevel, check_for_uninitialized_const_var,
147         check_initializer, initialize_local_var, cp_finish_decl,
148         get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
149         move_signature_fn_p, grok_op_properties, finish_function): Likewise.
150         * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
151         decl_maybe_constant_var_p): Likewise.
152         * error.c (dump_type_prefix, dump_expr): Likewise.
153         * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
154         is_admissible_throw_operand_or_catch_parameter): Likewise.
155         * expr.c (mark_use): Likewise.
156         * init.c (build_zero_init_1, build_value_init_noctor,
157         perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
158         build_new, build_delete): Likewise.
159         * lambda.c (build_lambda_object): Likewise.
160         * mangle.c (write_expression, write_template_arg): Likewise.
161         * method.c (forward_parm, do_build_copy_constructor,
162         do_build_copy_assign, build_stub_object, constructible_expr,
163         walk_field_subobs): Likewise.
164         * parser.c (cp_parser_omp_for_loop_init,
165         cp_parser_omp_declare_reduction_exprs,
166         cp_parser_omp_declare_reduction): Likewise.
167         * pt.c (convert_nontype_argument_function, convert_nontype_argument,
168         convert_template_argument, tsubst_pack_expansion,
169         tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
170         maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
171         more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
172         value_dependent_expression_p, build_deduction_guide): Likewise.
173         * semantics.c (finish_handler_parms, finish_non_static_data_member,
174         finish_compound_literal, omp_privatize_field,
175         handle_omp_array_sections_1, handle_omp_array_sections,
176         cp_check_omp_declare_reduction, finish_omp_reduction_clause,
177         finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
178         finish_omp_clauses, finish_decltype_type, capture_decltype,
179         finish_builtin_launder): Likewise.
180         * tree.c (lvalue_kind, cp_build_reference_type, move,
181         cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
182         * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
183         cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
184         cp_build_addr_expr_1, maybe_warn_about_useless_cast,
185         build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
186         build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
187         convert_for_initialization,
188         maybe_warn_about_returning_address_of_local, check_return_expr,
189         cp_type_quals, casts_away_constness, non_reference): Likewise.
190         * typeck2.c (cxx_readonly_error, store_init_value,
191         process_init_constructor_record, build_x_arrow, build_functional_cast,
192         add_exception_specifier): Likewise.
194 2018-05-14  Jason Merrill  <jason@redhat.com>
196         * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
197         (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
199 2018-05-11  Jakub Jelinek  <jakub@redhat.com>
201         PR c/85696
202         * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
203         * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
204         cxx_omp_predetermined_sharing_1.  Rename old function to ...
205         (cxx_omp_predetermined_sharing_1): ... this.
206         * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
207         instead of cxx_omp_predetermined_sharing.
209 2018-05-10  Jason Merrill  <jason@redhat.com>
211         * decl.c (cp_finish_decl): Don't instantiate auto variable.
212         (check_static_variable_definition): Allow auto.
213         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
215         * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
216         (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
218         Core issue 2310 - conversion to base of incomplete type.
219         * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
221         CWG 2267 - list-initialization of reference temporary
222         * call.c (reference_binding): List-initializing a reference
223         temporary is copy-list-initialization.
225         * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
227         * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
228         instantiation in template context.
230         * class.c (vbase_has_user_provided_move_assign): Use
231         user_provided_p.
233         * lambda.c (lambda_expr_this_capture): Improve logic.
235         * decl.c (make_typename_type): s/parameters/arguments/.
236         * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
237         * pt.c (make_pack_expansion): Correct error message.
239 2018-05-10  Jakub Jelinek  <jakub@redhat.com>
241         PR c++/85662
242         * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
243         fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
244         fold_convert.
246 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
248         PR c++/85400
249         * decl2.c (adjust_var_decl_tls_model): New static function.
250         (comdat_linkage): Call it on a variable.
251         (maybe_make_one_only): Likewise.
253 2018-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
255         PR c++/85713
256         Revert:
257         2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
259         PR c++/84588
260         * parser.c (cp_parser_parameter_declaration_list): When the
261         entire parameter-declaration-list is erroneous maybe call
262         abort_fully_implicit_template.
264 2018-05-08  Jason Merrill  <jason@redhat.com>
266         PR c++/85706 - class deduction under decltype
267         * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE.  Clear
268         *walk_subtrees whether or not we walked into the operand.
269         (type_uses_auto): Only look at deduced contexts.
271 2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
273         PR c++/84588
274         * parser.c (cp_parser_parameter_declaration_list): When the
275         entire parameter-declaration-list is erroneous maybe call
276         abort_fully_implicit_template.
278 2018-05-08  Marek Polacek  <polacek@redhat.com>
280         PR c++/85695
281         * semantics.c (finish_if_stmt_cond): See through typedefs.
283 2018-05-07  Jason Merrill  <jason@redhat.com>
285         PR c++/85646 - lambda visibility.
286         * decl2.c (determine_visibility): Don't mess with template arguments
287         from the containing scope.
288         (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
289         thunk.
291 2018-05-07  Nathan Sidwell  <nathan@acm.org>
293         Remove fno-for-scope
294         * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
295         (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
296         (SET_DECL_SHADOWED_FOR_VAR): Delete.
297         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
298         (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
299         Don't declare.
300         * name-lookup.h (struct cp_binding_level): Remove
301         dead_vars_from_for field.
302         * cp-lang.c (cp_init_ts): Delete.
303         (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
304         * cp-objcp-common.c (shadowed_var_for_decl): Delete.
305         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
306         (init_shadowed_var_for_decl): Delete.
307         * decl.c (poplevel): Remove shadowed for var handling.
308         (cxx_init_decl_processing): Remove -ffor-scope deprecation.
309         * name-lookup.c (find_local_binding): Remove shadowed for var
310         handling.
311         (check_local_shadow): Likewise.
312         (check_for_out_of_scope_variable): Delete.
313         * parser.c (cp_parser_primary_expression): Remove shadowed for var
314         handling.
315         * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
316         * semantics.c (begin_for_scope): Always have a scope.
317         (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
318         (begin_range_for_stmt, finish_id_expression): Likewise.
320 2018-05-07  Jason Merrill  <jason@redhat.com>
322         PR c++/85618 - ICE with initialized VLA.
323         * tree.c (vla_type_p): New.
324         * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
325         rather than array_of_runtime_bound_p.
327 2018-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
329         * cvt.c (ocp_convert): Early handle the special case of a
330         null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
332 2018-05-03  Jason Merrill  <jason@redhat.com>
334         PR c++/85600 - virtual delete failure.
335         * init.c (build_delete): Always save_expr when deleting.
337 2018-05-03  Nathan Sidwell  <nathan@acm.org>
339         * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
340         * name-lookup.c (do_pushdecl): Likewise.
342 2018-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
343             Jason Merrill  <jason@redhat.com>
345         PR c++/68374
346         * name-lookup.c (check_local_shadow): Don't handle static old
347         declarations in the block handling locals shadowing locals.
349 2018-05-01  Jason Merrill  <jason@redhat.com>
351         PR c++/85587 - error with scoped enum in template.
352         * semantics.c (finish_qualified_id_expr): Don't return an
353         unqualified IDENTIFIER_NODE.
355 2018-04-30  Jason Merrill  <jason@redhat.com>
357         PR c++/85580 - extern "C" and local variables
358         * name-lookup.c (check_extern_c_conflict): Ignore local decls.
360         PR c++/84701 - unsigned typeof.
361         * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
362         of long/short/signed/unsigned.
364         PR c++/85305 - pack in lambda init-capture.
365         * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
366         check_for_bare_parameter_packs in a subexpression.
367         (cp_parser_lambda_introducer): Use it.
369         PR c++/61982 - dead stores to destroyed objects.
370         * call.c (build_trivial_dtor_call): New, assigns a clobber.
371         (build_over_call, build_special_member_call): Use it.
372         * cp-tree.h: Declare it.
373         * init.c (build_delete): Remove trivial path.
375         * init.c (build_dtor_call): Use build_special_member_call.
376         (build_delete): Remove redundant uses of save_addr.
378         * decl.c (build_clobber_this): Use build_clobber.
380 2018-04-27  Jakub Jelinek  <jakub@redhat.com>
382         PR c++/85553
383         * init.c (build_zero_init_1): For zero initialization of
384         NULLPTR_TYPE_P type use build_int_cst directly.
386 2018-04-27  David Malcolm  <dmalcolm@redhat.com>
388         PR c++/85515
389         * name-lookup.c (consider_binding_level): Skip compiler-generated
390         variables.
391         * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
392         nested if statements into a series of rejection tests.  Reject
393         lambda-ignored entities as suggestions.
395 2018-04-27  Jason Merrill  <jason@redhat.com>
397         * cvt.c (cp_fold_convert): Use convert_ptrmem.
398         * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
400 2018-04-27  Paolo Carlini  <paolo.carlini@oracle.com>
402         PR c++/84691
403         * decl.c (grokdeclarator): Clear friendp upon definition in local
404         class definition error.
406 2018-04-27  Jason Merrill  <jason@redhat.com>
408         PR c++/85545 - ICE with noexcept PMF conversion.
409         * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
410         build_ptrmemfunc.
411         * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
412         adjustment.
413         (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
415 2018-04-27  Nathan Sidwell  <nathan@acm.org>
417         * typeck.c (convert_ptrmem): Move local var decls to initialization.
419         * cp-tree.h (TEMPLATE_INFO): Fix comments.
420         (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
421         (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
422         (dump, print_other_binding_stacks): Remove declarations.
423         * name-lookup.c (print_other_binding_stack): Make static.
424         * pt.c (build_template_decl): Make static.
426 2018-04-26  Jason Merrill  <jason@redhat.com>
428         PR c++/85545 - ICE with noexcept PMF conversion.
429         * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
431 2018-04-25  Nathan Sidwell  <nathan@acm.org>
433         PR c++/85437
434         PR c++/49171
435         * cp-tree.h (REINTERPRET_CAST_P): New.
436         * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
437         Reject REINTERPET_CAST_P conversions.  Use cplus_expand_constant
438         for non-trivial PTRMEM_CST cases.
439         * typeck.c (build_nop_reinterpret): New.
440         (build_reinterpret_cast_1): Use it.  Set REINTERPRET_CAST_P on
441         NOP_EXPRs returned by cp_convert.
443 2018-04-23  Jason Merrill  <jason@redhat.com>
445         PR c++/69560 - wrong alignof(double) on x86.
446         CWG 1879 - Inadequate definition of alignment requirement.
447         * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
448         * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
449         (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
450         (cxx_alignof_expr): Pass it.
451         * parser.c (cp_parser_unary_expression): Pass it.
452         * pt.c (tsubst_copy): Copy it.
453         (tsubst_copy_and_build): Pass it.
454         * decl.c (fold_sizeof_expr): Pass it.
456 2018-04-23  Jakub Jelinek  <jakub@redhat.com>
457             Jason Merrill  <jason@redhat.com>
459         PR c++/85470 - wrong error with static data member.
460         * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
461         * typeck2.c (store_init_value): Likewise.
463 2018-04-20  Jakub Jelinek  <jakub@redhat.com>
465         PR c++/85462
466         * cp-tree.h (tinst_level): Remove in_system_header_p member,
467         change refcount member from unsigned char to unsigned short,
468         add refcount_infinity static data member, adjust comments.
469         * pt.c (tinst_level::refcount_infinity): Define.
470         (inc_refcount_use): Remove assert, don't increment if refcount
471         is already refcount_infinity, adjust comment.
472         (dec_refcount_use): Remove assert, don't decrement if refcount
473         is refcount_infinity, adjust comment.
474         (push_tinst_level_loc): Formatting fix.
476 2018-04-19  Paolo Carlini  <paolo.carlini@oracle.com>
478         PR c++/84611
479         * pt.c (lookup_template_class_1): Check pushtag return value for
480         error_mark_node.
482 2018-04-19  Alexandre Oliva  <aoliva@redhat.com>
484         PR c++/80290
485         * cp-tree.h (tinst_level::free): Fix whitespace.
487 2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>
489         PR c++/84630
490         * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
491         for error_mark_node.
493 2018-04-18  Jakub Jelinek  <jakub@redhat.com>
495         PR c++/84463
496         * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
497         tricks from here to ...
498         * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here.  Only use it
499         if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
501 2018-04-18  Alexandre Oliva <aoliva@redhat.com>
503         PR c++/80290
504         * cp-tree.h (struct tinst_level): Split decl into tldcl and
505         targs.  Add private split_list_p, tree_list_p, and not_list_p
506         inline const predicates; to_list private member function
507         declaration; free public member function declaration; list_p,
508         get_node and maybe_get_node accessors, and refcount data
509         member.  Narrow errors to unsigned short.
510         * error.c (print_instantiation_full_context): Use new
511         accessors.
512         (print_instantiation_partial_context_line): Likewise.  Drop
513         const from tinst_level-typed parameter.
514         * mangle.c (mangle_decl_string): Likewise.
515         * pt.c (freelist): New template class.
516         (tree_list_freelist_head): New var.
517         (tree_list_freelist): New fn, along with specializations.
518         (tinst_level_freelist_head): New var.
519         (pending_template_freelist_head): Likewise.
520         (tinst_level_freelist, pending_template_freelist): New fns.
521         (tinst_level::to_list, tinst_level::free): Define.
522         (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
523         (set_refcount_ptr): New template fn.
524         (add_pending_template): Adjust for refcounting, freelists and
525         new accessors.
526         (neglectable_inst_p): Take a NULL d as a non-DECL.
527         (limit_bad_template_recursion): Use new accessors.
528         (push_tinst_level): New overload to create the list.
529         (push_tinst_level_loc): Make it static, split decl into two
530         args, adjust tests and initialization to cope with split
531         lists, use freelist, adjust for refcounting.
532         (push_tinst_level_loc): New wrapper with the old interface.
533         (pop_tinst_level): Adjust for refcounting.
534         (record_last_problematic_instantiation): Likewise.
535         (reopen_tinst_level): Likewise.  Use new accessors.
536         (instantiate_alias_template): Adjust for split list.
537         (fn_type_unification): Likewise.
538         (get_partial_spec_bindings): Likewise.
539         (instantiate_pending_templates): Use new accessors.  Adjust
540         for refcount.  Release pending_template to freelist.
541         (instantiating_current_function_p): Use new accessors.
543 2018-04-16  Alexandre Oliva <aoliva@redhat.com>
545         PR c++/85039
546         * parser.c (cp_parser_builtin_offset): Reject type definitions.
547         * mangle.c (nested_anon_class_index): Avoid crash returning -1
548         if we've seen errors.
550 2018-04-12  David Malcolm  <dmalcolm@redhat.com>
552         PR c++/85385
553         * name-lookup.c (macro_use_before_def::maybe_make): New function,
554         checking that the use is indeed before the definition.
555         (macro_use_before_def::macro_use_before_def): Make private.
556         (macro_use_before_def::~macro_use_before_def): Make private.  Move
557         check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
558         (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
559         than using new directly.
561 2018-04-12  Jason Merrill  <jason@redhat.com>
563         PR c++/85356 - ICE with pointer to member function.
564         * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
565         flag_noexcept_type.  Build the new spec within the function context.
566         * except.c (build_noexcept_spec): Do get constant value in templates
567         if flag_noexcept_type.
568         * decl.c (check_redeclaration_exception_specification): Don't
569         instantiate noexcept on a dependent declaration.
571 2018-04-12  Marek Polacek  <polacek@redhat.com>
573         PR c++/85258
574         * constexpr.c (reduced_constant_expression_p): Return false for null
575         trees.
577 2018-04-11  Marek Polacek  <polacek@redhat.com>
579         PR c++/85032
580         * constexpr.c (potential_constant_expression_1): Consider conversions
581         from classes to literal types potentially constant.
583 2018-04-10  Paolo Carlini  <paolo.carlini@oracle.com>
585         PR c++/70808
586         * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
587         the type like TYPE_PTR_OR_PTRMEM_P.
589 2018-04-10  Jason Merrill  <jason@redhat.com>
591         PR debug/65821 - wrong location for main().
592         * call.c (clear_location_r, convert_default_arg): Revert.
593         * tree.c (break_out_target_exprs): Add clear_location parm.
594         (struct bot_data): New.
595         (bot_manip): Clear location if requested.
596         * init.c (get_nsdmi): Pass clear_location.
598 2018-04-10  David Malcolm  <dmalcolm@redhat.com>
600         PR c++/85110
601         * call.c (get_fndecl_argument_location): Make non-static.
602         * cp-tree.h (get_fndecl_argument_location): New decl.
603         * typeck.c (convert_for_assignment): When complaining due to
604         conversions for an argument, show the location of the parameter
605         within the decl.
607 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
609         PR c++/85312 - P0962 cleanup
610         * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
611         diagnostics.
613 2018-04-10  Jason Merrill  <jason@redhat.com>
615         PR debug/65821 - wrong location for main().
616         * call.c (clear_location_r): New.
617         (convert_default_arg): Use it.
618         * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
620         PR c++/85285 - ICE with flexible array after substitution.
621         * pt.c (instantiate_class_template_1): Check for flexible array in
622         union.
624 2018-04-09  Paolo Carlini  <paolo.carlini@oracle.com>
626         PR c++/85227
627         * decl.c (cp_finish_decomp): In a template, if the type is incomplete
628         issue a pedwarn and defer trying to do bindings.
630 2018-04-09  Jason Merrill  <jason@redhat.com>
632         PR c++/85279 - dump_expr doesn't understand decltype.
633         * error.c (dump_expr): Handle DECLTYPE_TYPE.
635         PR c++/85262 - ICE with redundant qualification on constructor.
636         * call.c (build_new_method_call_1): Move make_args_non_dependent
637         after A::A() handling.
639         PR c++/85277 - ICE with invalid offsetof.
640         * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
641         Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
643         PR c++/85264 - ICE with excess template-parameter-list.
644         * parser.c (cp_parser_check_template_parameters): Add template_id_p
645         parameter.  Don't allow an extra template header if true.
646         (cp_parser_class_head): Pass template_id_p.
647         (cp_parser_elaborated_type_specifier): Likewise.
648         (cp_parser_alias_declaration): Likewise.
649         (cp_parser_check_declarator_template_parameters): Likewise.
651 2018-04-09  Jakub Jelinek  <jakub@redhat.com>
653         PR c++/85194
654         * parser.c (cp_parser_simple_declaration): For structured bindings,
655         if *maybe_range_for_decl is NULL after parsing it, set it to
656         error_mark_node.
658 2018-04-09  Jason Merrill  <jason@redhat.com>
660         PR c++/85256 - ICE capturing pointer to VLA.
661         * lambda.c (add_capture): Distinguish between variable-size and
662         variably-modified types.
664 2018-04-06  Jason Merrill  <jason@redhat.com>
666         PR c++/85214 - ICE with alias, generic lambda, constexpr if.
667         * pt.c (extract_locals_r): Remember local typedefs.
669 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
671         PR c++/84269
672         * name-lookup.c (struct std_name_hint): Move out of
673         get_std_name_hint; add field "min_dialect".
674         (get_std_name_hint): Add min_dialect values to all initializers.
675         Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
676         <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
677         <shared_mutex>, <string_view>, <thread>, and <variant>.
678         Add fstream, ifstream, and ofstream to <fstream>.
679         Add istringstream, ostringstream, and stringstream to <sstream>.
680         Add basic_string to <string>.
681         Add tuple_element and tuple_size to <tuple>.
682         Add declval to <utility>.
683         Fix ordering of <queue> and <tuple>.
684         Return a std_name_hint, rather than a const char *.
685         (get_cxx_dialect_name): New function.
686         (maybe_suggest_missing_std_header): Detect names that aren't yet
687         available in the current dialect, and instead of suggesting a
688         missing #include, warn about the dialect.
690 2018-04-06  Jakub Jelinek  <jakub@redhat.com>
692         PR c++/85210
693         * pt.c (tsubst_decomp_names): Return error_mark_node and assert
694         errorcount is set if tsubst doesn't return a VAR_DECL.
696 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
698         PR c++/85021
699         * name-lookup.c (using_directives_contain_std_p): New function.
700         (has_using_namespace_std_directive_p): New function.
701         (suggest_alternatives_for): Simplify if/else logic using early
702         returns.  If no candidates were found, and there's a
703         "using namespace std;" directive, call
704         maybe_suggest_missing_std_header.
705         (maybe_suggest_missing_header): Split later part of the function
706         into..
707         (maybe_suggest_missing_std_header): New.
709 2018-04-06  Jason Merrill  <jason@redhat.com>
711         PR c++/85242 - ICE with class definition in template parm.
712         * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
713         processing_template_parmlist.
715         PR c++/85240 - LTO ICE with using of undeduced auto fn.
716         * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
718 2018-04-05  Jakub Jelinek  <jakub@redhat.com>
720         PR c++/85209
721         * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
722         is not prev, if prev == decl.
724         PR c++/85208
725         * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
726         maybe_apply_pragma_weak here...
727         (cp_maybe_mangle_decomp): ... but call it here instead.
729 2018-04-05  Jason Merrill  <jason@redhat.com>
731         PR c++/85136 - ICE with designated init in template.
732         * decl.c (maybe_deduce_size_from_array_init): Handle dependent
733         designated initializer.
734         (check_array_designated_initializer): Update ce->index with the
735         constant value.
737         PR c++/83808 - ICE with VLA initialization.
738         * typeck2.c (process_init_constructor_array): Don't require a VLA
739         initializer to have VLA type.
741 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
743         PR c++/80956
744         * call.c (convert_like_real): Fail gracefully for a broken
745         std::initializer_list, missing a definition.
747         * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
749 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
751         PR c++/84792
752         * decl.c (grokdeclarator): Fix diagnostic about typedef name used
753         as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
755 2018-04-05  Jason Merrill  <jason@redhat.com>
757         PR c++/82152 - ICE with class deduction and inherited ctor.
758         * pt.c (do_class_deduction): Ignore inherited ctors.
760         PR c++/84665 - ICE with array of empty class.
761         * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
763         PR c++/85228 - ICE with lambda in enumerator in template.
764         * pt.c (bt_instantiate_type_proc): Don't assume
765         CLASSTYPE_TEMPLATE_INFO is non-null.
767 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
769         Implement P0969
770         * decl.c (find_decomp_class_base): Check accessibility instead
771         of declared access, adjust diagnostic.
773 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
775         Implement P0961
776         * decl.c (get_tuple_decomp_init): Check the templatedness
777         of a member get.
779 2018-04-05  Jason Merrill  <jason@redhat.com>
781         PR c++/85200 - ICE with constexpr if in generic lambda.
782         * pt.c (extract_locals_r): Don't record the local specs of variables
783         declared within the pattern.
785 2018-04-05  Alexandre Oliva <aoliva@redhat.com>
787         PR c++/84979
788         * pt.c (check_auto_in_tmpl_args): New.
789         (tsubst_qualified_id): Use it to reject template args
790         referencing auto for non-type templates.
791         * parser.c (cp_parser_template_id): Likewise.
792         * cp-tree.h (check_auto_in_tmpl_args): Declare.
793         * typeck2.c (build_functional_cast): Report correct location
794         for invalid use of auto.
796 2018-04-04  Jason Merrill  <jason@redhat.com>
798         PR c++/85215 - ICE with copy-init from conversion.
799         * call.c (merge_conversion_sequences): Fix type of direct binding
800         sequence.
802         PR c++/84938 - ICE with division by ~-1.
803         * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
805         PR c++/84936 - ICE with unexpanded pack in mem-initializer.
806         * parser.c (cp_parser_mem_initializer_list): Call
807         check_for_bare_parameter_packs.
809 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
811         PR inline-asm/85172
812         * constexpr.c (cxx_eval_builtin_function_call): For calls to
813         builtin_valid_in_constant_expr_p functions, don't call
814         cxx_eval_constant_expression if argument is not
815         potential_constant_expression.
817         PR c++/85146
818         * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
819         argument.
820         * semantics.c (calculate_bases): Add complain argument.  Use
821         complete_type_or_maybe_complain instead of just complete_type and
822         return an empty vector if it fails.  Move make_tree_vector () call
823         after early return.  Formatting fixes.
824         (calculate_direct_bases): Likewise.  Call release_tree_vector at the
825         end.
826         (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
827         * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
828         calculate_direct_bases callers, formatting fixes.
830 2018-04-04  Jason Merrill  <jason@redhat.com>
832         PR c++/85006 - -fconcepts ICE with A<auto...> return type
833         * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
835         PR c++/85200 - ICE with constexpr if in generic lambda.
836         * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
838         PR c++/84221 - bogus -Wunused with attribute and template.
839         * decl2.c (is_late_template_attribute): Handle unused and used
840         normally on non-TYPE_DECL.
842         PR c++/85135 - ICE with omitted template arguments.
843         * decl.c (grokdeclarator): Catch deduced class type in trailing
844         return type.
846         PR c++/85133 - ICE with missing concept initializer.
847         * decl.c (cp_finish_decl): If a concept initializer is missing, use
848         true.
850         PR c++/85118 - wrong error with generic lambda and std::bind.
851         * call.c (add_template_conv_candidate): Disable if there are any
852         call operators.
854         PR c++/85141 - ICE with compound assignment and static member fn.
855         * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
856         compound assignment.
858         PR c++/85148 - ICE with 'this' in array NSDMI.
859         * tree.c (replace_placeholders_r): Use handled_component_p.
861 2018-04-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
863         PR c++/65923
864         * decl.c (grokfndecl): Handle standard UDL diagnostics here..
865         * parser.c (cp_parser_unqualified_id): ..not here.
867 2018-04-04  Alexandre Oliva <aoliva@redhat.com>
869         PR c++/84943
870         * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
871         used.
872         * decl2.c (mark_used): Return without effects if tf_conv.
874 2018-04-03  Jason Merrill  <jason@redhat.com>
876         PR c++/85092 - C++17 ICE with unused list constructor.
877         * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
878         from a TARGET_EXPR.
880         PR c++/85113 - ICE with constexpr and __builtin_constant_p.
881         * constexpr.c (cxx_eval_builtin_function_call): Only defer
882         __builtin_constant_p if ctx->quiet.
884 2018-04-03  Paolo Carlini  <paolo.carlini@oracle.com>
886         PR c++/84768
887         * pt.c (rewrite_template_parm): If the first argument is
888         error_mark_node return it immediately.
889         (build_deduction_guide): Check the return value of the
890         latter for error_mark_node.
891         (do_class_deduction): Check the return value of the latter.
893 2018-04-03  Jason Merrill  <jason@redhat.com>
895         * semantics.c (finish_if_stmt_cond): Use
896         instantiation_dependent_expression_p.
898         PR c++/85149 - generic lambda and constexpr if.
899         * pt.c (build_extra_args, add_extra_args): Split from
900         tsubst_pack_expansion.
901         (tsubst_expr) [IF_STMT]: Use them.
902         * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
904         * typeck.c (merge_types): Limit matching attribute shortcut to
905         the default case.
907 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
909         PR c++/85147
910         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
912         PR c++/85140
913         * name-lookup.c (handle_namespace_attrs): Return early if attributes
914         is error_mark_node.
916         PR c++/85134
917         * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
918         fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
919         instead for static data members clear init and set DECL_EXTERNAL.
921 2018-04-02  Jason Merrill  <jason@redhat.com>
923         PR c++/64095 - auto... parameter pack.
924         * parser.c (cp_parser_parameter_declaration): Handle turning autos
925         into packs here.
926         (cp_parser_parameter_declaration_list): Not here.
928 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
930         PR c++/85027
931         * class.c (instantiate_type): Peel off SAVE_EXPR before
932         BASELINK.
934 2018-03-30  Jason Merrill  <jason@redhat.com>
936         * typeck2.c (process_init_constructor_record): Use
937         init_list_type_node for the CONSTRUCTOR around an anonymous union
938         designated initializer.
940 2018-03-30  Jakub Jelinek  <jakub@redhat.com>
942         PR c++/84791
943         * semantics.c (finish_omp_reduction_clause): If
944         OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
945         even if processing_template_decl.
947 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
949         PR c++/84269
950         * name-lookup.c (get_std_name_hint): Add names from <memory>,
951         <tuple>, and <utility>.
953 2018-03-29  Jason Merrill  <jason@redhat.com>
955         PR c++/85093 - too many template args with pack expansion.
956         * pt.c (coerce_template_parms): Keep pack expansion args that will
957         need to be empty.
959 2018-03-29  Jason Merrill  <jason@redhat.com>
961         * pt.c (build_non_dependent_expr): Propagate expr location.
963 2018-03-27  Jason Merrill  <jason@redhat.com>
965         PR c++/85060 - wrong-code with call to base member in template.
966         * search.c (any_dependent_bases_p): Check uses_template_parms
967         rather than processing_template_decl.
969 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
971         PR c++/85110
972         * typeck.c (convert_for_assignment): When complaining due to
973         conversions for an argument, attempt to use the location of the
974         argument.
976 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
978         PR c++/85028
979         * pt.c (tsubst_default_argument): Early return if the type of the
980         parameter is erroneous.
982 2018-03-28  Alexandre Oliva <aoliva@redhat.com>
984         PR c++/84973
985         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
986         templates.
988         PR c++/84968
989         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
991 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
993         PR c++/85067
994         * method.c (defaulted_late_check): Partially revert r253321 changes,
995         do not early return upon error.
997 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
999         PR c++/85077
1000         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
1001         type call fold to generate VECTOR_CSTs when possible.
1003         PR c++/85076
1004         * tree.c (cp_build_reference_type): If to_type is error_mark_node,
1005         return it right away.
1007 2018-03-27  Volker Reichelt  <v.reichelt@netcologne.de>
1009         * search.c (check_final_overrider): Use inform instead of error
1010         for the diagnostics of the overridden functions.  Tweak wording.
1012 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
1014         PR c++/85068
1015         * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
1016         is NULL.  Assert if thunk_binfo is NULL then errorcount is non-zero.
1018 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
1019             Jason Merrill  <jason@redhat.com>
1021         PR c++/84632
1022         * init.c (build_aggr_init): When initializing from array,
1023         reject anything but CONSTRUCTORs and TARGET_EXPRs.
1024         (build_vec_init): Handle separately ARRAY_TYPEs.
1026 2018-03-26  Jason Merrill  <jason@redhat.com>
1028         PR c++/85062 - ICE with alignas in wrong place.
1029         * decl.c (grokdeclarator): Ignore attributes on type-specifiers
1030         here.
1032         PR c++/85049 - ICE with __integer_pack.
1033         * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
1034         * cp-tree.h (TEMPLATE_PARM_P): New.
1036 2018-03-23  Jason Merrill  <jason@redhat.com>
1038         PR c++/78489 - wrong SFINAE behavior.
1040         PR c++/84489
1041         * pt.c (type_unification_real): Don't defer substitution failure.
1043 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
1045         PR c++/85015
1046         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
1047         result.
1049         PR c++/84942
1050         * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
1051         cp_build_unary_op call with gcc_unreachable ().
1053 2018-03-23  Marek Polacek  <polacek@redhat.com>
1055         PR c++/85045
1056         * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
1057         Handle EXACT_DIV_EXPR and RDIV_EXPR.  Tweak condition.
1058         (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
1060 2018-03-23  Ville Voutilainen  <ville.voutilainen@gmail.com>
1062         Implement P0962
1063         * parser.c (cp_parser_perform_range_for_lookup): Change
1064         the condition for deciding whether to use members.
1066 2018-03-23  Marek Polacek  <polacek@redhat.com>
1068         PR c++/85033
1069         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1071 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
1073         PR c++/71251
1074         * parser.c (cp_parser_alias_declaration): Call
1075         parser_check_template_parameters.
1077         PR c++/84789
1078         * pt.c (resolve_typename_type): Drop assert that stopped
1079         simplification to template-independent types.  Add assert to
1080         verify the initial scope is template dependent.
1081         * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1082         Reparse the id expression as a type-name, not a declarator.
1084         PR c++/84729
1085         * init.c (build_vec_init): Error at parenthesized array init.
1087         PR c++/84610
1088         PR c++/84642
1089         PR c++/84942
1090         * cp-tree.h (temp_override): New template class, generalizing
1091         a cleanup that was only used...
1092         * parser.c (cp_parser_parameter_declaration_clause):
1093         ... here for auto_is_implicit_function_template_parm_p.
1094         (cp_parser_gnu_attributes_opt): Use it here as well.
1095         (cp_parser_std_attribute): Likewise.
1097 2018-03-22  Marek Polacek  <polacek@redhat.com>
1099         PR c++/84854
1100         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1101         is boolean.
1103 2018-03-21  Jason Merrill  <jason@redhat.com>
1105         PR c++/81311 - wrong C++17 overload resolution.
1106         * call.c (build_user_type_conversion_1): Remove C++17 code.
1107         (conv_binds_ref_to_prvalue): New.
1108         (build_over_call): Handle C++17 copy elision.
1109         (build_special_member_call): Only do C++17 copy elision here if the
1110         argument is already the right type.
1112 2018-03-21  Alexandre Oliva <aoliva@redhat.com>
1114         PR c++/71965
1115         * init.c (build_vec_init): Silence error, former sorry,
1116         without tf_error.
1118         PR c++/84610
1119         PR c++/84642
1120         * parser.c (abort_fully_implicit_template_p): New.
1121         (cp_parser_skip_to_end_of_statement): Use it.
1122         (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1123         (finish_fully_implicit_template_p): Clear
1124         implicit_template_parms and implicit_template_scope.
1126 2018-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
1128         PR c++/84972
1129         * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1130         error_mark_node when check_array_designated_initializer fails.
1132 2018-03-21  Jakub Jelinek  <jakub@redhat.com>
1134         PR c++/84961
1135         * cp-tree.h (genericize_compound_lvalue): Declare.
1136         * typeck.c (genericize_compound_lvalue): New function.
1137         (unary_complex_lvalue, cp_build_modify_expr): Use it.
1138         * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1139         and PREDECREMENT_EXPR in output and "m" constrained input operands with
1140         COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
1141         COMPOUND_EXPR operand.
1143 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1145         PR c++/85008
1146         * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1147         * decl2.c (vague_linkage_p): Likewise.
1149 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1151         PR c++/84994
1152         * constexpr.c (constexpr_fn_retval): Make non-"static".
1153         * cp-tree.h (constexpr_fn_retval): New decl.
1154         * search.c (direct_accessor_p): Update leading comment.
1155         (reference_accessor_p): Likewise.
1156         (field_accessor_p): Replace check that function body is a
1157         RETURN_EXPR with a call to constexpr_fn_retval.  Fix
1158         indentation of "field_type" decl.
1160 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1162         PR c++/84804
1163         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1164         complete classes.
1166 2018-03-21  Martin Sebor  <msebor@redhat.com>
1168         PR c++/84850
1169         * call.c (first_non_public_field): New template and function.
1170         (first_non_trivial_field): New function.
1171         (maybe_warn_class_memaccess): Call them.
1173 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1175         PR c++/84892
1176         * search.c (field_accessor_p): Use class_of_this_parm rather than
1177         type_of_this_parm, to check that "this" is a "const T *", rather
1178         than a "T *const".
1180 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1182         * class.c (finish_struct_anon_r): Refactor, deprecate anything
1183         other than public non-static data members.
1184         * parser.c (cp_parser_init_declarator): Deprecate attributes after
1185         parenthesized initializer.
1187         PR c++/84836
1188         * name-lookup.c (update_binding): Correct logic for local binding
1189         update.
1191 2018-03-21  Marek Polacek  <polacek@redhat.com>
1193         PR c++/71638, ICE with NSDMI and reference.
1194         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1195         even when we replace an element.
1197 2018-03-20  Marek Polacek  <polacek@redhat.com>
1199         PR c++/84978, ICE with NRVO.
1200         * constexpr.c (cxx_eval_constant_expression): Handle the case when
1201         a RESULT_DECL isn't in the hash map.
1203 2018-03-20  Jason Merrill  <jason@redhat.com>
1205         PR c++/84978, ICE with NRVO.
1206         * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1207         (cp_get_callee_fndecl_nofold): New.
1208         * cp-gimplify.c (cp_genericize_r): Use it instead.
1209         * call.c (check_self_delegation): Likewise.
1211 2018-03-20  Nathan Sidwell  <nathan@acm.org>
1213         PR c++/84962
1214         * name-lookup.c (pushdecl_class_level): Push anon-struct's
1215         member_vec, if there is one.
1217         PR c++/84970
1218         * cp-tree.h (lookup_list_keep): Declare.
1219         * tree.c (lookup_list_keep): New, broken out of ...
1220         (build_min): ... here.  Call it.
1221         * decl.c (cp_finish_decl): Call lookup_list_keep.
1223 2018-03-19  Jason Merrill  <jason@redhat.com>
1225         PR c++/84937 - ICE with class deduction and auto.
1226         * pt.c (rewrite_template_parm): Fix auto handling.
1228 2018-03-19  Marek Polacek  <polacek@redhat.com>
1230         PR c++/84925
1231         * pt.c (enclosing_instantiation_of): Check if fn is null.
1233         PR c++/84927
1234         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1235         as we evaluate the elements.
1236         (cxx_eval_constant_expression): Verify constructor's flags
1237         unconditionally.
1239 2018-03-19  Jason Merrill  <jason@redhat.com>
1241         PR c++/71834 - template-id with too few arguments.
1242         * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1244 2018-03-19  Nathan Sidwell  <nathan@acm.org>
1246         PR c++/84835
1247         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1248         * pt.c (build_template_decl): Propagate language linkage.
1250         PR c++/84812
1251         * name-lookup.c (set_local_extern_decl_linkage): Defend against
1252         ambiguous lookups.
1254 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1256         PR c/84910
1257         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1258         diagnostics.
1259         * method.c (synthesize_method): Likewise.
1260         * pt.c (convert_nontype_argument): Likewise.
1262 2018-03-16  Jason Merrill  <jason@redhat.com>
1264         PR c++/84720 - ICE with rvalue ref non-type argument.
1265         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1266         (convert_nontype_argument): Revert earlier change.
1268         PR c++/80227 - SFINAE and negative array size.
1269         * decl.c (compute_array_index_type): Use
1270         build_converted_constant_expr and valid_constant_size_p.
1272         PR c++/84906 - silent wrong code with ambiguous conversion.
1273         * call.c (build_user_type_conversion_1): Set need_temporary_p on
1274         ambiguous conversion.
1275         (convert_like_real): Check it.
1277         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1278         * call.c (build_special_member_call): Don't convert an init-list
1279         argument directly to the class type.
1281 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1283         PR c++/79937
1284         PR c++/82410
1285         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1286         (find_placeholder): Declare.
1287         * tree.c (struct replace_placeholders_t): Add exp member.
1288         (replace_placeholders_r): Don't walk into ctors with
1289         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1290         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1291         (replace_placeholders): Initialize data.exp.
1292         (find_placeholders_r, find_placeholders): New functions.
1293         * typeck2.c (process_init_constructor_record,
1294         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1295         if adding NSDMI on which find_placeholder returns true.
1296         * call.c (build_over_call): Don't call replace_placeholders here.
1297         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1298         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1299         TARGET_EXPR_INITIAL.
1300         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1301         ctor.
1303 2018-03-16  Jason Merrill  <jason@redhat.com>
1305         PR c++/83911 - ICE with multiversioned constructor.
1306         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1307         dispatchere here.
1308         * call.c (build_over_call): Not here.
1310 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1312         PR c++/84874
1313         * decl.c (reshape_init_class): Don't assert d->cur->index == field
1314         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1316 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
1318         PR c++/84222
1319         * cp-tree.h (cp_warn_deprecated_use): Declare.
1320         * tree.c (cp_warn_deprecated_use): New function.
1321         * typeck2.c (build_functional_cast): Use it.
1322         * decl.c (grokparms): Likewise.
1323         (grokdeclarator): Likewise.  Temporarily push nested class scope
1324         around grokparms call for out of class member definitions.
1326 2018-03-14  Jason Merrill  <jason@redhat.com>
1328         PR c++/84820 - no error for invalid qualified-id.
1329         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1330         cp_error_declarator.
1332         PR c++/84801 - ICE with unexpanded pack in lambda.
1333         * pt.c (check_for_bare_parameter_packs): Don't return early for a
1334         lambda in non-template context.
1336         PR c++/81236 - auto variable and auto function
1337         * pt.c (tsubst_baselink): Update the type of the BASELINK after
1338         mark_used.
1340 2018-03-14  Jason Merrill  <jason@redhat.com>
1342         PR c++/83916 - ICE with template template parameters.
1343         * pt.c (convert_template_argument): Don't substitute into type of
1344         non-type parameter if we don't have enough arg levels.
1345         (unify): Likewise.
1347 2018-03-14  Marek Polacek  <polacek@redhat.com>
1349         PR c++/84596
1350         * semantics.c (finish_static_assert): Check
1351         instantiation_dependent_expression_p instead of
1352         {type,value}_dependent_expression_p.
1354 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
1355             Jason Merrill  <jason@redhat.com>
1357         PR c++/82336 - link error with list-init default argument.
1358         * decl.c (check_default_argument): Unshare an initializer list.
1360 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1362         PR c++/84843
1363         * decl.c (duplicate_decls): For redefinition of built-in, use error
1364         and return error_mark_node.  For redeclaration, return error_mark_node
1365         rather than olddecl if !flag_permissive.
1367 2018-03-13  Jason Merrill  <jason@redhat.com>
1369         PR c++/82565 - ICE with concepts and generic lambda.
1370         * pt.c (instantiate_decl): Clear fn_context for lambdas.
1372 2018-03-13  Jason Merrill  <jason@redhat.com>
1374         PR c++/84720 - ICE with rvalue ref non-type argument.
1375         * pt.c (convert_nontype_argument): Handle rvalue references.
1377         PR c++/84839 - ICE with decltype of parameter pack.
1378         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1379         instantiating dummy parms.
1381         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1382         parameter even without -Wpedantic.
1384         PR c++/84798 - ICE with auto in abstract function declarator.
1385         * parser.c (cp_parser_parameter_declaration_clause): Check
1386         parser->default_arg_ok_p.
1388 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1390         PR c++/84808
1391         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1392         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
1393         sizetype.  Formatting fixes.
1395 2018-03-12  Jason Merrill  <jason@redhat.com>
1397         PR c++/84355 - ICE with deduction for member class template.
1398         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1399         CLASS_PLACEHOLDER_TEMPLATE.
1401         PR c++/84802 - ICE capturing uninstantiated class.
1402         * lambda.c (build_capture_proxy): Call complete_type.
1404 2018-03-09  Jason Merrill  <jason@redhat.com>
1406         PR c++/84770 - ICE with typedef and parameter pack.
1407         * pt.c (verify_unstripped_args_1): Split out from
1408         verify_unstripped_args.
1410         PR c++/84785 - ICE with alias template and default targs.
1411         * pt.c (type_unification_real): Set processing_template_decl if
1412         saw_undeduced == 1.
1414         PR c++/84752 - ICE with capture of constexpr array.
1415         * call.c (standard_conversion): Set rvaluedness_matches_p on the
1416         identity conversion under ck_lvalue.
1418 2018-03-09  Jason Merrill  <jason@redhat.com>
1419             Paolo Carlini  <paolo.carlini@oracle.com>
1421         PR c++/71169
1422         PR c++/71832
1423         * pt.c (any_erroneous_template_args_p): New.
1424         * cp-tree.h (any_erroneous_template_args_p): Declare it.
1425         * parser.c (cp_parser_class_specifier_1): Use it.
1427 2018-03-09  Jason Merrill  <jason@redhat.com>
1429         PR c++/84726 - unnecessary capture of constant vars.
1430         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1431         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1432         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1433         * lambda.c (is_constant_capture_proxy)
1434         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1435         (prune_lambda_captures): New.
1436         (finish_lambda_function): Call prune_lambda_captures.
1438 2018-03-09  Jason Merrill  <jason@redhat.com>
1439             Jakub Jelinek  <jakub@redhat.com>
1441         PR c++/84076
1442         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1443         build ADDR_EXPR with REFERENCE_TYPE.
1444         (build_over_call): For purposes of check_function_arguments, if
1445         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1446         its operand rather than the argument itself.
1448 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
1450         PR c++/84724
1451         * decl.c (duplicate_decls): Don't override __* prefixed builtins
1452         except for __[^b]*_chk, instead issue permerror and for -fpermissive
1453         also a note and return olddecl.
1455 2018-03-09  Nathan Sidwell  <nathan@acm.org>
1457         PR c++/84733
1458         * name-lookup.c (do_pushdecl_with_scope): Only clear
1459         current_function_decl when pushing a non-class (i.e. namespace)
1460         scope.
1462 2018-03-08  Jason Merrill  <jason@redhat.com>
1463             Jakub Jelinek  <jakub@redhat.com>
1465         PR c++/80598
1466         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1467         not calling mark_used for the benefit of -Wunused-function warning.
1469 2018-03-06  Jason Merrill  <jason@redhat.com>
1471         * lambda.c (is_capture_proxy_with_ref): Remove.
1472         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1474 2018-03-06  Marek Polacek  <polacek@redhat.com>
1476         PR c++/84684
1477         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1478         arguments.
1480 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
1482         PR c++/84231
1483         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1484         only while processing template decls.
1485         * typeck.c (build_x_conditional_expr): Move wrapping of
1486         reference type around type...
1487         * call.c (build_conditional_expr_1): ... here.  Rename
1488         is_lvalue to is_glvalue.
1489         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1490         INDIRECT_REF of COND_EXPR too.
1492         PR c++/84593
1493         * init.c (build_zero_init_1): Zero-initialize references.
1495         PR c++/84492
1496         * semantics.c (finish_stmt_expr_expr): Reject unresolved
1497         overloads used as stmt expr values.
1499 2018-03-05  Jason Merrill  <jason@redhat.com>
1501         PR c++/84708 - ICE with lambda in local class NSDMI.
1502         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1503         context.
1505 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
1507         PR c++/84684
1508         * constexpr.c (constexpr_call_hasher::equal): Return false if
1509         lhs->hash != rhs->hash.  Change return 1 to return true and
1510         return 0 to return false.
1512 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1514         PR c++/84702
1515         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1517 2018-03-05  Marek Polacek  <polacek@redhat.com>
1519         PR c++/84707
1520         * decl.c (duplicate_decls): Check DECL_NAME before accessing
1521         UDLIT_OPER_P.
1523 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1525         PR c++/84694
1526         * friend.c (do_friend): Restore check for identifier_p inside
1527         TEMPLATE_ID_EXPR.
1529 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
1531         PR c++/84618
1532         * parser.c (cp_parser_lambda_introducer): Reject any capture not
1533         involving a VAR_DECL or a PARM_DECL.
1535 2018-03-05  Pádraig Brady  <P@draigBrady.com>
1536             Jason  Merrill  <jason@redhat.com>
1537             Nathan Sidwell  <nathan@acm.org>
1539         PR c++/84497
1540         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1542 2018-03-03  Jason Merrill  <jason@redhat.com>
1544         PR c++/84686 - missing volatile loads.
1545         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1547 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
1549         PR c++/71464
1550         * optimize.c (maybe_thunk_body): Bail out immediately if either
1551         fns[0] or fns[1] is null.
1553 2018-03-02  Marek Polacek  <polacek@redhat.com>
1555         PR c++/84578
1556         * constexpr.c (get_array_or_vector_nelts): New.
1557         (cxx_eval_array_reference): Use it.
1558         (cxx_eval_vec_init_1): Likewise.
1559         (cxx_eval_store_expression): Likewise.
1561 2018-03-02  Jason Merrill  <jason@redhat.com>
1563         * semantics.c (force_paren_expr): Remove redundant test.
1565 2018-03-02  Marek Polacek  <polacek@redhat.com>
1567         PR c++/84663
1568         * decl.c (cp_complete_array_type): Check error_mark_node.
1570         PR c++/84664
1571         * typeck.c (cp_perform_integral_promotions): Check the result of
1572         mark_rvalue_use.
1574 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
1576         PR c++/84662
1577         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1578         RETURN instead of return.
1579         <case POINTER_PLUS_EXPR>: Likewise.
1580         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1581         it instead of wrapping it into CONVERT_EXPR.
1583 2018-03-02  Jason Merrill  <jason@redhat.com>
1585         Fix MIPS16 ICE.
1586         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1588 2018-03-02  Marek Polacek  <polacek@redhat.com>
1590         PR c++/84590
1591         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1592         wrapped in VIEW_CONVERT_EXPR.
1594 2018-03-01  Martin Sebor  <msebor@redhat.com>
1596         PR c++/84294
1597         * decl.c (check_redeclaration_no_default_args): Merge attributes
1598         specified on redeclarations of the same function template.
1599         Remove dead code.
1601 2018-03-01  Marek Polacek  <polacek@redhat.com>
1602             Jason Merrill  <jason@redhat.com>
1604         PR c++/84582
1605         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1606         a template.
1607         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1608         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1609         of instantiate_non_dependent_expr.
1610         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1612 2018-03-01  Nathan Sidwell  <nathan@acm.org>
1614         PR c++/84434
1615         * name-lookup.c (member_vec_dedup): Remove manually peeled
1616         iteration.  Ignore dependent ctor inheritance.
1618 2018-03-01  Jason Merrill  <jason@redhat.com>
1620         PR c++/71569 - decltype of template.
1621         * parser.c (cp_parser_decltype_expr): Handle missing template args.
1623 2018-03-01  Marek Polacek  <polacek@redhat.com>
1625         PR c++/84596
1626         * constexpr.c (require_rvalue_constant_expression): New function.
1627         * cp-tree.h: Declare it.
1628         * semantics.c (finish_static_assert): Use it instead of
1629         require_potential_rvalue_constant_expression.
1631 2018-03-01  Jason Merrill  <jason@redhat.com>
1632             Alexandre Oliva <aoliva@redhat.com>
1634         PR c++/71569 - ICE with redundant args on member variable template.
1635         * decl.c (start_decl): Handle partial specialization of member
1636         variable template.
1637         * pt.c (determine_specialization): Allow partial specialization
1638         of member variable template without specializing enclosing class.
1639         (process_partial_specialization): Improve error message.
1641 2018-02-28  Jason Merrill  <jason@redhat.com>
1643         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
1644         * pt.c (determine_specialization): Check ref-qualifier.
1646 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1648         PR c++/84609
1649         * parser.c (cp_parser_attributes_opt): Formatting fix.
1650         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
1651         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
1652         New functions.
1653         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
1654         instead of tentative parse to peek over optional attribute tokens
1655         to check for CPP_COLON after them.
1657         PR c++/83871
1658         PR c++/83503
1659         * pt.c (INCLUDE_STRING): Remove define.
1660         (warn_spec_missing_attributes): Use pretty_printer instead of
1661         std::string.  Fix up inform call so that the list of attributes
1662         is in %s argument.
1664 2018-02-28  Martin Sebor  <msebor@redhat.com>
1666         PR testsuite/84617
1667         * decl.c (duplicate_decls): Fully merge attributes const, pure,
1668         and malloc.
1670 2018-02-28  Nathan Sidwell  <nathan@acm.org>
1672         PR c++/84602
1673         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
1674         * name-lookup.c (fields_linear_search): Look in an anon-aggr
1675         regardless of want_type.
1676         (search_anon_aggr): Just use get_class_binding_direct.
1678 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1680         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
1681         inform_n.
1683 2018-02-27  Martin Sebor  <msebor@redhat.com>
1685         * pt.c: Avoid including <string> directly.
1687 2018-02-27  Martin Sebor  <msebor@redhat.com>
1689         PR c++/83871
1690         PR c++/83503
1691         * cp-tree.h (warn_spec_missing_attributes): New function.
1692         ((check_explicit_specialization): Add an argument.  Call the above
1693         function.
1694         * decl.c (duplicate_decls): Avoid applying primary function template's
1695         attributes to its explicit specializations.
1696         cp/pt.c (warn_spec_missing_attributes): Define.
1698 2018-02-27  HÃ¥kon Sandsmark  <hsandsmark@gmail.com>
1700         PR c++/71546 - lambda init-capture with qualified-id.
1701         * parser.c (cp_parser_lambda_introducer): Clear scope after
1702         each lambda capture.
1704 2018-02-27  Nathan Sidwell  <nathan@acm.org>
1706         PR c++/84426
1707         * name-lookup.h (get_member_slot): Rename ...
1708         (find_member_slot): ... here.
1709         (add_member_slot): New.
1710         * name-lookup.c (member_vec_linear_search): No need to check for
1711         NULL slot.
1712         (get_member_slot): Rename ...
1713         (find_member_slot): ... here.  Don't add slot for incomplete class.
1714         (add_member_slot): New.
1715         * class.c (add_method): Adjust get_member_slot rename.  Bail out
1716         if push_class_level_binding fails.  Create slot and grok
1717         properties once we're committed to insertion.
1719 2018-02-27  Jason Merrill  <jason@redhat.com>
1721         PR c++/84489 - dependent default template argument
1722         * pt.c (type_unification_real): Handle early substitution failure.
1724 2018-02-26  Jason Merrill  <jason@redhat.com>
1726         PR c++/84560 - ICE capturing multi-dimensional VLA.
1727         * tree.c (array_of_runtime_bound_p): False if the element is
1728         variably-modified.
1730         PR c++/84441 - ICE with base initialized from ?:
1731         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
1733         PR c++/84520 - ICE with generic lambda in NSDMI.
1734         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
1735         'this' in a generic lambda instantiation.
1737         PR c++/84559 - ICE with constexpr VLA.
1738         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
1739         for constexpr variable with VLA type.
1741 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1743         PR c++/84558
1744         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
1745         a valid constant initializer.  Formatting fixes.
1747 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1749         PR c++/84540
1750         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
1751         returning NULL_TREE.
1752         (apply_late_template_attributes): Likewise.
1754 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1756         PR c++/84557
1757         * parser.c (cp_parser_omp_var_list_no_open): Only call
1758         cp_parser_lookup_name_simple on names satisfying identifier_p.
1759         (cp_parser_oacc_routine): Likewise.
1761 2018-02-26  Jason Merrill  <jason@redhat.com>
1763         PR c++/84551 - ICE with concepts and -g.
1764         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
1766 2018-02-26  Marek Polacek  <polacek@redhat.com>
1768         PR c++/84325
1769         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
1770         non-types.
1772 2018-02-26  Jason Merrill  <jason@redhat.com>
1774         PR c++/84447 - ICE with deleted inherited ctor with default arg.
1775         * call.c (build_over_call): Handle deleted functions in one place.
1777 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1779         PR c++/84533
1780         * decl.c (redeclaration_error_message): Don't try to use
1781         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
1783 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1785         * lambda.c (build_capture_proxy): Define static.
1786         * cp-tree.h (build_capture_proxy): Remove.
1788 2018-02-26  Marek Polacek  <polacek@redhat.com>
1790         PR c++/84537
1791         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
1792         if name is error node.
1794 2018-02-25  Jason Merrill  <jason@redhat.com>
1796         PR c++/84015 - ICE with class deduction and auto template parm.
1797         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
1799 2018-02-24  Marek Polacek  <polacek@redhat.com>
1801         PR c++/83692
1802         * constexpr.c (maybe_constant_init_1): New function.
1803         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
1804         (cxx_constant_init): New function.
1805         * cp-tree.h (cxx_constant_init): Declare.
1806         * typeck2.c (store_init_value): Call cxx_constant_init instead of
1807         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
1809 2018-02-22  Jason Merrill  <jason@redhat.com>
1811         PR c++/70468 - ICE with constructor delegation via typedef.
1812         * pt.c (tsubst_initializer_list): Check for other mem-initializers
1813         with constructor delegation.
1815 2018-02-22  Jason Merrill  <jason@redhat.com>
1817         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
1818         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
1819         VECTOR_TYPE.
1821 2018-02-22  Marek Polacek  <polacek@redhat.com>
1823         PR c++/84493
1824         * parser.c (cp_parser_braced_list): Use require_open instead of
1825         consume_open.
1827 2018-02-21  Jason Merrill  <jason@redhat.com>
1829         PR c++/84454 - ICE with pack expansion in signature.
1830         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
1832 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
1834         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
1835         IF_STMT.
1837 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
1839         PR c++/84446
1840         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
1841         on error_mark_node.
1843 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
1845         PR c++/84445
1846         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
1847         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
1849         PR c++/84449
1850         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
1851         returns error_mark_node, return it immediately.
1852         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
1853         error_mark_node, return error_mark_node.
1855         PR c++/84455
1856         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
1857         function_depth to avoid GC during finish_lambda_function.
1859 2018-02-19  Jason Merrill  <jason@redhat.com>
1861         PR c++/84429 - ICE capturing VLA.
1862         * lambda.c (build_capture_proxy): Handle reference refs.
1864 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
1866         PR c++/84448
1867         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
1868         either operand is error_mark_node, set current.lhs to that instead of
1869         creating a binary op with error_mark_node operands.
1871         PR c++/84430
1872         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
1874 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
1876         PR c++/84348
1877         * decl.c (grokdeclarator): Early return error_mark_node upon
1878         ill-formed friend declaration.
1880 2018-02-16  Marek Polacek  <polacek@redhat.com>
1881             Jakub Jelinek  <jakub@redhat.com>
1883         PR c++/84192
1884         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
1885         set *jump_target to anything if jump_target is NULL.
1887 2018-02-16  Jason Merrill  <jason@redhat.com>
1889         PR c++/84151 - unnecessary volatile load with static member.
1890         * call.c (build_new_method_call_1): Avoid loading from a volatile
1891         lvalue used as the object argument for a static member function.
1893         PR c++/81853 - using-directive and constexpr.
1894         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
1896         PR c++/84420 - ICE with structured binding in lambda.
1897         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
1899         PR c++/83835 - C++17 error with constructor ctors.
1900         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
1902         PR c++/82664 - ICE with reference to function template parm.
1903         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
1904         NOP_EXPRs.
1906         PR c++/82764 - C++17 ICE with empty base
1907         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
1909 2018-02-16  Jason Merrill  <jason@redhat.com>
1911         PR c++/84421 - type-dependent if constexpr
1912         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
1914 2018-02-16  Nathan Sidwell  <nathan@acm.org>
1916         Deprecate -ffriend-injection.
1917         * decl.c (cxx_init_decl_processing): Emit warning on option.
1918         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
1919         friend.
1921 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
1923         PR c++/82468
1924         * decl.c (check_special_function_return_type): Reject template
1925         template parameter in deduction guide.
1927 2018-02-16  Nathan Sidwell  <nathan@acm.org>
1929         PR c++/84375
1930         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
1932 2018-02-15  Jason Merrill  <jason@redhat.com>
1934         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
1935         * call.c (convert_like_real): Don't use the copy-list-initialization
1936         shortcut for ck_base.
1938         PR c++/84045 - ICE with typedef and noexcept.
1939         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
1941         PR c++/84376 - ICE with omitted template arguments.
1942         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
1944         PR c++/84368 - wrong error with local variable in variadic lambda.
1945         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
1946         local_specializations.
1948 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
1950         PR c++/84330
1951         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
1952         as first argument.
1954 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
1956         PR c++/84350
1957         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
1958         init, early return.
1960 2018-02-14  Nathan Sidwell  <nathan@acm.org>
1962         * decl2.c (mark_vtable_entries): Set input_location to decl's.
1963         (c_parse_final_cleanups): Restore input_location after emitting
1964         vtables.
1966 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
1968         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
1969         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
1970         auto_deduction_context, tree, int): Add defaults.
1971         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
1972         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
1973         tsubst_flags_t argument.
1974         * init.c (build_new): Likewise.
1976 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
1978         PR c++/84364
1979         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
1980         about return other than *this in assignment operators if
1981         retval is type dependent expression.
1983 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
1985         PR c++/84333
1986         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
1987         save_expr for the G++ extension.
1989 2018-02-13  Jason Merrill  <jason@redhat.com>
1991         PR c++/84080 - ICE with return type deduction and specialization.
1992         * pt.c (determine_specialization): Check uses_template_parms.
1994         Fix more variadic capture issues.
1995         * pt.c (find_parameter_packs_r): Also look at explicit captures.
1996         (check_for_bare_parameter_packs): Check current_class_type for
1997         lambda context.
1998         (extract_locals_r): Handle seeing a full instantiation of a pack.
1999         (tsubst_pack_expansion): Likewise.  Force lambda capture.
2000         * parser.c (cp_parser_lambda_introducer): Don't
2001         check_for_bare_parameter_packs.
2003         PR c++/84338 - wrong variadic sizeof.
2004         * pt.c (argument_pack_select_arg): Like the macro, but look through
2005         a pack expansion.
2006         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
2007         (extract_fnparm_pack): Do make_pack_expansion.
2008         (extract_locals_r): Do strip a pack expansion.
2009         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
2011 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
2013         PR c++/84341
2014         * parser.c (cp_parser_binary_expression): Use build_min instead of
2015         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
2017 2018-02-12  Nathan Sidwell  <nathan@acm.org>
2019         PR c++/84263
2020         * parser.c (cp_parser_decltype): Push and pop
2021         deferring_access_checks.  Reorganize to avoid goto.
2023 2018-02-12  Richard Biener  <rguenther@suse.de>
2025         PR c++/84281
2026         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
2027         uniform constructors and delay allocating them fully.
2029 2018-02-09  Jason Merrill  <jason@redhat.com>
2031         PR c++/84036 - ICE with variadic capture.
2032         Handle variadic capture proxies more like non-variadic.
2033         * lambda.c (build_capture_proxy): Remove workaround.
2034         * pt.c (find_parameter_packs_r): The proxy is a pack.
2035         (instantiate_class_template_1): Remove dead lambda code.
2036         (extract_fnparm_pack): Don't make_pack_expansion.
2037         (extract_locals_r): Don't strip a pack expansion.
2038         (tsubst_pack_expansion): Handle proxy packs.  Use
2039         PACK_EXPANSION_EXTRA_ARGS less.
2040         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
2041         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
2042         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
2043         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
2044         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
2046 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
2048         PR sanitizer/83987
2049         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2051 2018-02-09  Jason Merrill  <jason@redhat.com>
2053         PR c++/81917 - ICE with void_t and partial specialization.
2054         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
2055         calling most_specialized_partial_spec.
2057 2018-02-09  Nathan Sidwell  <nathan@acm.org>
2059         PR c/84293
2060         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
2061         Pass expr location to strict_aliasing_warning.
2063 2018-02-09  Jason Merrill  <jason@redhat.com>
2065         PR c++/84296 - ICE with qualified-id in template.
2066         PR c++/83714
2067         * pt.c (unknown_base_ref_p): New.
2068         (instantiation_dependent_scope_ref_p): Use it instead of
2069         any_dependent_bases_p.
2071 2018-02-09  Marek Polacek  <polacek@redhat.com>
2072             Jakub Jelinek  <jakub@redhat.com>
2074         PR c++/83659
2075         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2076         fold_indirect_ref_1, including poly_*int64.  Verify first that
2077         tree_fits_poly_int64_p (op01).  Formatting fixes.
2079 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2081         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2082         * lambda.c (build_capture_proxy): Likewise.
2083         * search.c (field_access_p): Likewise.
2084         * semantics.c (omp_clause_decl, omp_privatize_field,
2085         finish_omp_clauses): Likewise.
2087 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2089         PR c++/83806
2090         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2091         case of nullptr too.
2093 2018-02-08  Nathan Sidwell  <nathan@acm.org>
2095         * class.c (finish_struct): Fix std:initializer_list diagnostic
2096         formatting.
2098 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2100         PR c++/83204
2101         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2103 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
2105         PR c++/84082
2106         * parser.c (cp_parser_dot_deref_incomplete): New function.
2107         (cp_parser_postfix_dot_deref_expression): Use it.
2109 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
2111         PR c++/81610
2112         PR c++/80567
2113         * name-lookup.c (suggest_rid_p): New function.
2114         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2115         suggest_rid_p.
2117 2018-02-07  Jason Merrill  <jason@redhat.com>
2119         PR c++/84182 - ICE with captured lambda
2120         PR c++/84181
2121         * pt.c (extract_locals_r, extract_local_specs): New.
2122         (tsubst_pack_expansion): Use them.
2124 2018-02-07  Martin Liska  <mliska@suse.cz>
2126         PR c++/84059.
2127         * class.c (add_method): Append argument value.
2128         * cp-tree.h (maybe_version_functions): Add new argument.
2129         * decl.c (decls_match): Call it if a declaration does not
2130         have DECL_FUNCTION_VERSIONED.
2131         (maybe_version_functions): record argument is added.
2133 2018-02-05  Marek Polacek  <polacek@redhat.com>
2135         * class.c: Remove unused global variables.
2136         (build_primary_vtable): Don't gather statistics.
2137         (print_class_statistics): Remove.
2138         * cp-tree.h (print_class_statistics): Remove.
2139         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2141 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
2143         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2144         * constexpr.c (cx_check_missing_mem_inits): Likewise.
2145         * decl.c (next_initializable_field, find_decomp_class_base,
2146         cp_finish_decomp): Likewise.
2147         * typeck2.c (process_init_constructor_record): Likewise.
2149 2018-02-02  Jason Merrill  <jason@redhat.com>
2151         PR c++/84181 - ICE with lambda parm in template argument.
2152         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2154 2018-02-01  Jason Merrill  <jason@redhat.com>
2156         PR c++/84160 - ICE with nested variadic capture.
2157         * lambda.c (is_capture_proxy_with_ref): New.
2158         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2159         COMPONENT_REF.
2160         * expr.c (mark_use): Use is_capture_proxy_with_ref.
2161         * constexpr.c (potential_constant_expression_1): Likewise.
2162         * semantics.c (process_outer_var_ref): Likewise.
2164 2018-02-01  Marek Polacek  <polacek@redhat.com>
2166         PR c++/84125
2167         * typeck.c (build_address): Relax the assert when
2168         processing_template_decl.
2170 2018-02-01  Jason Merrill  <jason@redhat.com>
2172         PR c++/84126 - ICE with variadic generic lambda
2173         PR c++/84036
2174         PR c++/82249
2175         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2176         PACK_EXPANSION_EXTRA_ARGS.
2178 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
2180         PR c++/83796
2181         * call.c (convert_like_real): If w're initializing from {} explicitly
2182         call abstract_virtuals_error_sfinae.
2184 2018-01-31  Jason Merrill  <jason@redhat.com>
2185             Jakub Jelinek  <jakub@redhat.com>
2187         PR c++/83993
2188         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2189         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2190         on ADDR_EXPR.
2192 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
2194         PR c++/83993
2195         * constexpr.c (diag_array_subscript): Emit different diagnostics
2196         if TYPE_DOMAIN (arraytype) is NULL.
2197         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2198         with NULL TYPE_DOMAIN use size_zero_node as nelts.
2200 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
2202         PR c++/84092
2203         * semantics.c (finish_qualified_id_expr): When handling an
2204         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2206 2018-01-31  Marek Polacek  <polacek@redhat.com>
2208         PR c++/84138
2209         * cp-gimplify.c (cp_fold): Check if X is an error node before
2210         calling useless_type_conversion_p.
2212 2018-01-30  Jason Merrill  <jason@redhat.com>
2214         PR c++/84091 - ICE with local class in lambda in template.
2215         * decl2.c (determine_visibility): Look for outer containing template
2216         instantiation.
2218         PR c++/84098 - ICE with lambda in template NSDMI.
2219         * pt.c (instantiate_class_template_1): Ignore more lambdas.
2221 2018-01-29  Jason Merrill  <jason@redhat.com>
2223         PR c++/68810 - wrong location for reinterpret_cast error.
2224         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2225         !dofold.
2227 2018-01-29  Marek Polacek  <polacek@redhat.com>
2229         PR c++/83996
2230         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2231         => fooarray[1] in offset_int.
2233 2018-01-29  Jason Merrill  <jason@redhat.com>
2235         PR c++/83942 - wrong unused warning with static_cast.
2236         * cvt.c (ocp_convert): Call mark_rvalue_use.
2238 2018-01-26  Jason Merrill  <jason@redhat.com>
2240         PR c++/83956 - wrong dtor error with anonymous union
2241         * method.c (walk_field_subobs): Variant members only affect
2242         deletedness.
2243         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2245         PR c++/84036 - ICE with variadic capture.
2246         PR c++/82249
2247         * pt.c (tsubst_pack_expansion): When optimizing a simple
2248         substitution, pull a single pack expansion out of its pack.
2250         PR c++/82514 - ICE with local class in generic lambda.
2251         * pt.c (regenerated_lambda_fn_p): Remove.
2252         (enclosing_instantiation_of): Don't use it.
2253         (tsubst_function_decl): Call enclosing_instantiation_of.
2255         * pt.c (lookup_template_class_1): Add sanity check.
2256         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2258 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
2260         PR c++/84031
2261         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
2262         recursive calls that return ret.
2263         (cp_finish_decomp): Ignore unnamed bitfields.
2265 2018-01-23  Jason Merrill  <jason@redhat.com>
2267         PR c++/82249 - wrong mismatched pack length error.
2268         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2269         unsubstituted function parameter pack.
2271 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
2273         PR c++/83921
2274         * decl.c (check_for_uninitialized_const_var): Not static; add
2275         bool and tsubst_flags_t parameters; adjust to be used both in
2276         constexpr context and not.
2277         * constexpr.c (potential_constant_expression_1): Use the above.
2278         * cp-tree.h (check_for_uninitialized_const_var): Declare.
2280 2018-01-23  Jason Merrill  <jason@redhat.com>
2282         PR c++/83947 - ICE with auto declarations.
2283         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2284         * decl.c (undeduced_auto_decl): Limit to vars and fns.
2286 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
2288         PR c++/83974
2289         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2290         for pointer to member function types.
2292 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2294         PR sanitizer/83987
2295         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2296         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2298 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2300         PR c++/83988
2301         * pt.c (tsubst_baselink): Remove optype assert.
2302         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2304 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2306         PR c++/83958
2307         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2308         refers to incomplete type.
2310 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2312         Deprecate ARM-era for scope handling
2313         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2314         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2315         cleared.
2316         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2317         cleanup handling.
2318         * semantics.c (begin_for_scope): Flag_new_for_scope is
2319         boolean-like.
2320         (finish_for_stmt, begin_range_for_stmt): Likewise.
2322 2018-01-22  Jason Merrill  <jason@redhat.com>
2324         PR c++/83720
2325         * decl2.c (determine_visibility): Fix template_decl handling
2326         instead of blocking it.
2328         PR c++/83720 - ICE with lambda and LTO.
2329         * decl2.c (determine_visibility): Clear template_decl for
2330         function-scope decls.  Propagate anonymous linkage from containing
2331         function.
2333 2018-01-22  Marek Polacek  <polacek@redhat.com>
2335         PR c++/81933
2336         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2337         split out anything.
2339 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
2341         PR c++/83895
2342         * decl.c (grokdeclarator): Don't diagnose extra parens
2343         on typedefs.
2345 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
2347         PR c++/81167
2348         * call.c (joust): Use TREE_TYPE (source) if source is
2349         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2351         PR c++/83919
2352         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2353         for direct enum init.
2354         * decl.c (reshape_init): Likewise.
2356 2018-01-19  Marek Polacek  <polacek@redhat.com>
2358         * constexpr.c (fold_simple): Simplify.
2360 2018-01-18  Jason Merrill  <jason@redhat.com>
2362         PR c++/83714
2363         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2364         * pt.c (instantiation_dependent_scope_ref_p): True if
2365         any_dependent_bases_p.
2367 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2369         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2370         vs DECL_NONTRIVIALLY_INITIALIZED_P).
2372 2018-01-18  Jason Merrill  <jason@redhat.com>
2374         PR c++/82461 - constexpr list-initialized member
2375         * constexpr.c (potential_constant_expression_1): Check
2376         TARGET_EXPR_DIRECT_INIT_P.
2378 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2380         PR c++/81013
2381         * decl.c (xref_basetypes): Early return upon error about derived
2382         union.
2384 2018-01-18  Nathan Sidwell  <nathan@acm.org>
2386         PR c++/83160
2387         * cp-tree.h (mark_use): Declare.
2388         * expr.c (mark_use): Make extern.
2389         * call.c (direct_reference_binding): Set inner conv's
2390         rvaluedness_matches_p, if it is an identity.
2391         (convert_like_real): Mark lvalue or rvalue use for identity as
2392         rvaledness_matches_p demands.
2394 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
2396         PR c++/83824
2397         * parser.c (attr_chainon): New function.
2398         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2399         cp_parser_namespace_definition, cp_parser_init_declarator,
2400         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2401         cp_parser_gnu_attributes_opt): Use it.
2402         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2403         cp_parser_objc_struct_declaration): Likewise.  Don't reset
2404         prefix_attributes if attributes is error_mark_node.
2406 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2408         PR c++/78344
2409         * decl.c (grokdeclarator): Do not append the error_mark_node
2410         due to an erroneous optional attribute-specifier-seq.
2412 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
2414         PR c++/83897
2415         * cp-gimplify.c (cp_maybe_instrument_return): Handle
2416         CLEANUP_POINT_EXPR.
2418 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2420         PR c++/81054
2421         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2422         error_mark_node when we give an error.
2423         * decl.c (cp_finish_decl): Use the latter.
2425 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2427         PR c++/83287
2428         * init.c (build_raw_new_expr): Scan list for lookups to keep.
2430 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2432         PR c++/83814
2433         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2434         the C++ part.  If processing a template, call
2435         fold_non_dependent_expr rather than fully folding.
2437 2018-01-17  Jason Merrill  <jason@redhat.com>
2439         PR c++/81067 - redundant NULL warning.
2440         * call.c (convert_like_real): Restore null_node handling.
2442 2018-01-17  Jason Merrill  <jason@redhat.com>
2444         PR c++/81843 - ICE with variadic member template.
2445         PR c++/72801
2446         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2447         template args.
2449 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2451         PR c++/83799
2452         * pt.c (type_dependent_expression_p): Strip any location wrapper
2453         before testing tree codes.
2454         (selftest::test_type_dependent_expression_p): New function.
2455         (selftest::cp_pt_c_tests): Call it.
2457 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2459         PR c++/83739
2460         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2461         this not a final instantiation.
2463 2018-01-16  Jason Merrill  <jason@redhat.com>
2465         PR c++/83714 - ICE checking return in template.
2466         * typeck.c (check_return_expr): Call build_non_dependent_expr.
2468 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
2470         PR c++/83817
2471         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2472         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2473         instead of CALL_FROM_THUNK_P.
2475         PR c++/83825
2476         * name-lookup.c (member_vec_dedup): Return early if len is 0.
2477         (resort_type_member_vec, set_class_bindings,
2478         insert_late_enum_def_bindings): Use vec qsort method instead of
2479         calling qsort directly.
2481 2018-01-15  Martin Sebor  <msebor@redhat.com>
2483         PR c++/83588
2484         * class.c (find_flexarrays): Make a record of multiple flexible array
2485         members.
2487 2018-01-12  Jason Merrill  <jason@redhat.com>
2489         PR c++/83186 - ICE with static_cast of list-initialized temporary.
2490         * typeck.c (build_static_cast): Use build_non_dependent_expr.
2492 2018-01-12  Nathan Sidwell  <nathan@acm.org>
2494         * cp-tree.h (mark_rvalue_use): Add parm name.
2495         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2496         mark_rvalue_use.
2497         * call.c (convert_like_real): Fix formatting.
2499 2018-01-11  Jason Merrill  <jason@redhat.com>
2501         PR c++/82728 - wrong -Wunused-but-set-variable
2502         PR c++/82799
2503         PR c++/83690
2504         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2505         * decl.c (case_conversion): Likewise.
2506         * semantics.c (finish_static_assert): Call
2507         perform_implicit_conversion_flags.
2509 2018-01-11  Nathan Sidwell  <nathan@acm.org>
2511         * method.c (enum mangling_flags): Delete long-dead enum.
2513 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2515         * parser.c (cp_parser_std_attribute_spec): When
2516         token_pair::require_open / require_close return false simply
2517         return error_mark_node, avoid duplicate cp_parser_error about
2518         expected '(' / ')', respectively.
2520 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
2522         PR c++/43486
2523         * call.c (null_ptr_cst_p): Strip location wrappers when
2524         converting from '0' to a pointer type in C++11 onwards.
2525         (conversion_null_warnings): Replace comparison with null_node with
2526         call to null_node_p.
2527         (build_over_call): Likewise.
2528         * cp-gimplify.c (cp_fold): Remove the early bailout when
2529         processing_template_decl.
2530         * cp-lang.c (selftest::run_cp_tests): Call
2531         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2532         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2533         (selftest::run_cp_tests): Move decl to bottom of file.
2534         (null_node_p): New inline function.
2535         (selftest::cp_pt_c_tests): New decl.
2536         (selftest::cp_tree_c_tests): New decl.
2537         * cvt.c (build_expr_type_conversion): Replace comparison with
2538         null_node with call to null_node_p.
2539         * error.c (args_to_string): Likewise.
2540         * except.c (build_throw): Likewise.
2541         * mangle.c (write_expression): Skip location wrapper nodes.
2542         * parser.c (literal_integer_zerop): New function.
2543         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2544         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2545         param of cp_parser_parenthesized_expression_list.  When calling
2546         warn_for_memset, replace integer_zerop calls with
2547         literal_integer_zerop, eliminating the double logical negation
2548         cast to bool.  Eliminate the special-casing for CONST_DECL in
2549         favor of the fold_for_warn within warn_for_memset.
2550         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2551         param, defaulting to false.  Convert "expr" to a cp_expr, and call
2552         maybe_add_location_wrapper on it when wrap_locations_p is true.
2553         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2554         the result for RID_ALIGNOF and RID_SIZEOF.
2555         (cp_parser_builtin_offsetof): Likewise.
2556         * pt.c: Include "selftest.h".
2557         (tsubst_copy): Handle location wrappers.
2558         (tsubst_copy_and_build): Likewise.
2559         (build_non_dependent_expr): Likewise.
2560         (selftest::test_build_non_dependent_expr): New function.
2561         (selftest::cp_pt_c_tests): New function.
2562         * tree.c: Include "selftest.h".
2563         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2564         (selftest::test_lvalue_kind): New function.
2565         (selftest::cp_tree_c_tests): New function.
2566         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2567         (cp_build_binary_op): Replace comparison with null_node with call
2568         to null_node_p.
2569         (build_address): Use location of operand when building address
2570         expression.
2572 2018-01-10  Marek Polacek  <polacek@redhat.com>
2574         PR c++/82541
2575         * call.c (build_conditional_expr_1): Check complain before warning.
2576         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2577         -Wduplicated-branches.
2579 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
2581         PR c++/81327
2582         * call.c (maybe_warn_class_memaccess): Add forward declaration.
2583         Change last argument from tree * to const vec<tree, va_gc> *, adjust
2584         args uses and check number of operands too.  Don't strip away any
2585         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
2586         Deal with src argument not having pointer type.  Check
2587         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
2588         test.
2589         (build_over_call): Call maybe_warn_class_memaccess here on the
2590         original arguments.
2591         (build_cxx_call): Rather than here on converted arguments.
2593 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2595         PR c++/81055
2596         * init.c (build_vec_init): Avoid building an INIT_EXPR with
2597         error_mark_node as second argument.
2599 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
2601         PR c++/83734
2602         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2603         in STATEMENT_LIST.  Remove unneeded assert.
2605 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
2606             Alan Hayward  <alan.hayward@arm.com>
2607             David Sherwood  <david.sherwood@arm.com>
2609         * constexpr.c (cxx_eval_array_reference): Handle polynomial
2610         VECTOR_CST_NELTS.
2611         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2612         * call.c (build_conditional_expr_1): Likewise.
2613         * decl.c (cp_finish_decomp): Likewise.
2614         * mangle.c (write_type): Likewise.
2615         * typeck.c (structural_comptypes): Likewise.
2616         (cp_build_binary_op): Likewise.
2617         * typeck2.c (process_init_constructor_array): Likewise.
2619 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2621         PR c++/83555
2622         * typeck.c (build_static_cast_1): For static casts to reference types,
2623         call build_base_path with flag_delete_null_pointer_checks as nonnull
2624         instead of always false.  When -fsanitize=null, call
2625         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2626         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2627         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2629 2018-01-03  Nathan Sidwell  <nathan@acm.org>
2631         PR c++/83667
2632         * method.c (make_alias_for): Copy DECL_CONTEXT.
2634 2018-01-03  Marek Polacek  <polacek@redhat.com>
2636         PR c++/83592
2637         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
2639 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2641         PR preprocessor/83602
2642         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
2643         for builtin macros.
2645         PR c++/83634
2646         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
2647         error_mark_node, return error_mark_node.
2649         Update copyright years.
2651 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
2653         PR c++/83556
2654         * tree.c (replace_placeholders_r): Pass NULL as last argument to
2655         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
2656         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
2657         to false and return.
2658         (replace_placeholders): Pass NULL instead of &pset as last argument
2659         to cp_walk_tree.
2661 2018-01-02  Nathan Sidwell  <nathan@acm.org>
2663         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
2664         lval var.
2666 Copyright (C) 2018 Free Software Foundation, Inc.
2668 Copying and distribution of this file, with or without modification,
2669 are permitted in any medium without royalty provided the copyright
2670 notice and this notice are preserved.