[Bug c++/123566] [16 Regression] ICE in finish_expr_stmt, at cp/semantics.cc:1171 since r16-6352 with a local type defined in a lambda as a default template argument

[jason at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123566

--- Comment #12 from Jason Merrill <jason at gcc dot gnu.org> ---
Note this regression is only from rejects-valid to ice-on-valid-code; 13,14,15
said

error: definition of ‘struct<lambda()>::<unnamed>’ inside template parameter
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