[Bug middle-end/112639] Incorrect handling of __builtin_c[lt]zg argument side-effects

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112639

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 56650
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56650&action=edit
gcc14-pr112639.patch

Untested fix.