[Bug c/123703] ICE in fold_convert with a bad declaration of abs

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123703

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 63422
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63422&action=edit
Reduced