https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127270
Bug ID: 127270
Summary: ICE: in coerce_template_parms, at cp/pt.cc:9760
Product: gcc
Version: 17.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: eczbek.void at gmail dot com
Target Milestone: ---
https://godbolt.org/z/Pr646nhK6
```
template<auto>
struct A {};
struct B : A< {
int x;
};
```
```
<source>:5:9: note: probably missing a comma or an operator before
5 | int x;
| ^~~
<source>:6:1: internal compiler error: in coerce_template_parms, at
cp/pt.cc:9760
6 | };
| ^
0x2bdf278 diagnostics::context::diagnostic_impl(rich_location*,
diagnostics::metadata const*, diagnostics::option_id, char const*,
__va_list_tag (*) [1], diagnostics::kind)
???:0
0x2bd3ebb internal_error(char const*, ...)
???:0
0xb4a7c0 fancy_abort(char const*, int, char const*)
???:0
0xdd9f82 lookup_template_class(tree_node*, tree_node*, tree_node*, tree_node*,
int)
???:0
0xe451ac finish_template_type(tree_node*, tree_node*, int)
???:0
0xda23d3 c_parse_file()
???:0
0xf35bb9 c_common_parse_file()
???:0
/cefs/97/973eb283a3d40b9349922625_gcc-trunk-20260908/bin/../libexec/gcc/x86_64-linux-gnu/17.0.0/cc1plus
-quiet -imultiarch x86_64-linux-gnu -iprefix
/cefs/97/973eb283a3d40b9349922625_gcc-trunk-20260908/bin/../lib/gcc/x86_64-linux-gnu/17.0.0/
-D_GNU_SOURCE <source> -quiet -dumpdir /app/ -dumpbase output.cpp -dumpbase-ext
.cpp -masm=intel -mtune=generic -march=x86-64 -g -fdiagnostics-color=always
-fno-verbose-asm -o /app/output.s
```
