[Bug c++/121094] [15/16/17 Regression] ICE on `co_await (obj->*func)(args...)`

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121094

--- Comment #4 from Drea Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 64357
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=64357&action=edit
Reduced testcase