[Bug c++/125212] ICE when using lambdas as alias template parameters

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125212

--- Comment #4 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Another option would be to just teach the predicate to recognize TYPENAME_TYPE
of lambda and DECLTYPE_TYPE of CALL_EXPR of lambda.  That should cover all the
related PRs I think..