https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98297
Bug ID: 98297
Summary: [9/10/11 Regression] ICE in
cp_parser_elaborated_type_specifier, at
cp/parser.c:19653
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: ---
Affects versions down to r8 :
$ cat z1.cc
template <template <class> class a> struct [[b]] a <int>;
$ g++-11-20201213 -c z1.cc
z1.cc:1:50: internal compiler error: Segmentation fault
1 | template <template <class> class a> struct [[b]] a <int>;
| ^~~~~~~
0xc8f5ff crash_signal
../../gcc/toplev.c:327
0x7507a5 cp_parser_elaborated_type_specifier
../../gcc/cp/parser.c:19653
0x739283 cp_parser_type_specifier
../../gcc/cp/parser.c:18393
0x73a0b6 cp_parser_decl_specifier_seq
../../gcc/cp/parser.c:14990
0x75bd05 cp_parser_single_declaration
../../gcc/cp/parser.c:30321
0x75c095 cp_parser_template_declaration_after_parameters
../../gcc/cp/parser.c:29984
0x75c84b cp_parser_explicit_template_declaration
../../gcc/cp/parser.c:30250
0x75c84b cp_parser_template_declaration_after_export
../../gcc/cp/parser.c:30269
0x75ecf9 cp_parser_declaration
../../gcc/cp/parser.c:13996
0x75e183 cp_parser_translation_unit
../../gcc/cp/parser.c:4926
0x75e183 c_parse_file()
../../gcc/cp/parser.c:45106
0x82acf2 c_common_parse_file()
../../gcc/c-family/c-opts.c:1211
