[Bug c++/106713] Coroutine regression in GCC 11.3.0: if (co_await ...) crashes with a jump to ud2

[arsen at aarsen dot me]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106713

--- Comment #1 from Arsen Arsenović <arsen at aarsen dot me> ---
Created attachment 53490
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53490&action=edit
Preprocessed test (gz-compressed)