[Bug c++/118927] "double free detected in tcache 2" with import std and -Q

[nate at thatsmathematics dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118927

--- Comment #1 from Nate Eldredge <nate at thatsmathematics dot com> ---
Created attachment 60525
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60525&action=edit
Preprocessor output for foo.cc