[Bug c++/97837] ICE on requires with *this in destructor

[gccbugbjorn at fahller dot se]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97837

--- Comment #1 from Björn Fahller <gccbugbjorn at fahller dot se> ---
Created attachment 49561
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49561&action=edit
Source of failing program