https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96048
Bug ID: 96048
Summary: ICE in get_local_decls, at cp/name-lookup.c:3591
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: haoxintu at gmail dot com
Target Milestone: ---
This invalid code, bug.cc, makes GCC-trunk ICE.
$cat bug.cc
struct a {template <class> class A;};
a : b ( auto ) ( class { });
$g++ -c -w bug.cc
bug.cc:2:3: error: found ‘:’ in nested-name-specifier, expected ‘::’
2 | a : b ( auto ) ( class { });
| ^
| ::
bug.cc:2:18: error: template definition of non-template ‘struct a::<unnamed>’
2 | a : b ( auto ) ( class { });
| ^~~~~
bug.cc:2:27: internal compiler error: in get_local_decls, at
cp/name-lookup.c:3591
2 | a : b ( auto ) ( class { });
| ^
0x63d349 get_local_decls()
../../gcc/cp/name-lookup.c:3591
0x97a185 pop_bindings_and_leave_scope()
../../gcc/cp/name-lookup.c:2065
0x9b0969 cp_parser_direct_declarator
../../gcc/cp/parser.c:21336
0x9b0969 cp_parser_declarator
../../gcc/cp/parser.c:21109
0x9c4ca6 cp_parser_init_declarator
../../gcc/cp/parser.c:20609
0x9a67a2 cp_parser_simple_declaration
../../gcc/cp/parser.c:13785
0x9cfa16 cp_parser_declaration
../../gcc/cp/parser.c:13484
0x9d015a cp_parser_translation_unit
../../gcc/cp/parser.c:4761
0x9d015a c_parse_file()
../../gcc/cp/parser.c:44043
0xae920b c_common_parse_file()
../../gcc/c-family/c-opts.c:1190
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
$g++ --version
++ (GCC) 11.0.0 20200630 (experimental)
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
