[Bug target/109780] [12/13/14 Regression] csmith: runtime crash with -O2 -march=znver1

[xry111 at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109780

--- Comment #21 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
Created attachment 55421
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55421&action=edit
test case broken by draft patch (at -O2 -mavx2 -mtune=haswell)