https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99008
Bug ID: 99008
Summary: [11 Regression] ICE in set_constraints, at
cp/constraint.cc:1256
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Changed between 20200621 and 20200628 :
(maybe related to pr93297)
$ cat z1.cc
template <class> struct A;
template <class, class B> using C = A<B>;
void *f { C(); }
$ g++-11-20210207 -c z1.cc
z1.cc:3:13: internal compiler error: in set_constraints, at
cp/constraint.cc:1256
3 | void *f { C(); }
| ^
0x6a757e set_constraints(tree_node*, tree_node*)
../../gcc/cp/constraint.cc:1256
0x7b1bd2 alias_ctad_tweaks
../../gcc/cp/pt.c:29025
0x7b1bd2 deduction_guides_for
../../gcc/cp/pt.c:29140
0x7b2042 do_class_deduction
../../gcc/cp/pt.c:29250
0x7b2042 do_auto_deduction(tree_node*, tree_node*, tree_node*, int,
auto_deduction_context, tree_node*, int)
../../gcc/cp/pt.c:29420
0x81c535 build_functional_cast_1
../../gcc/cp/typeck2.c:2208
0x81c535 build_functional_cast(unsigned int, tree_node*, tree_node*, int)
../../gcc/cp/typeck2.c:2308
0x772977 cp_parser_functional_cast
../../gcc/cp/parser.c:30553
0x783bd2 cp_parser_postfix_expression
../../gcc/cp/parser.c:7427
0x793d35 cp_parser_unary_expression
../../gcc/cp/parser.c:8818
0x76d96f cp_parser_cast_expression
../../gcc/cp/parser.c:9722
0x76e1a2 cp_parser_binary_expression
../../gcc/cp/parser.c:9824
0x76e900 cp_parser_assignment_expression
../../gcc/cp/parser.c:10128
0x76fddd cp_parser_constant_expression
../../gcc/cp/parser.c:10424
0x76fe41 cp_parser_initializer_clause
../../gcc/cp/parser.c:24145
0x76ffe4 cp_parser_initializer_list
../../gcc/cp/parser.c:24424
0x76ffe4 cp_parser_braced_list
../../gcc/cp/parser.c:24186
0x772b82 cp_parser_initializer
../../gcc/cp/parser.c:24103
0x79c6b7 cp_parser_init_declarator
../../gcc/cp/parser.c:21745
0x77cf3a cp_parser_simple_declaration
../../gcc/cp/parser.c:14381
