[Bug libstdc++/126327] [17 regression] Build fails for *-w64-mingw32 due to exception specification mismatch

[Nathan.Blackburn at arm dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126327

--- Comment #4 from Nathan Blackburn <Nathan.Blackburn at arm dot com> ---
Created attachment 65114
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65114&action=edit
patch to resolve bug