https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121092
Bug ID: 121092
Summary: internal compiler error: in poplevel_class, at
cp/name-lookup.cc:5721 finish_struct since 14.3
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: mario.rodriguezb1 at um dot es
Target Milestone: ---
ICE in:
Program
```
template<auto&& predicate=[]<int>(auto&&...){} >
```
Stack dump
```
<source>:1:46: internal compiler error: in poplevel_class, at
cp/name-lookup.cc:5721
1 | template<auto&& predicate=[]<int>(auto&&...){} >
| ^
0x2879ca5 diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, diagnostic_option_id, char const*, __va_list_tag
(*) [1], diagnostic_t)
???:0
0x289b986 internal_error(char const*, ...)
???:0
0xaf3494 fancy_abort(char const*, int, char const*)
???:0
0xb3cf6c popclass()
???:0
0xb4e7e2 finish_struct(tree_node*, tree_node*)
???:0
0xd20193 c_parse_file()
???:0
0xe8a449 c_common_parse_file()
???:0
```
To quickly reproduce:
https://godbolt.org/z/j1eKxMo79
