[Bug target/124759] [16 regression] Segmentation fault with -fhardened -O3 -mavx since r16-8358-gf511bf93f94719

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124759

--- Comment #12 from David Binderman <dcb314 at hotmail dot com> ---
Created attachment 64165
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=64165&action=edit
C source code

The attached code does something similar, but only -O3
-march=zver3 required:

foundBugs $ for i in ~/gcc/results.20260{329,401}*/bin/gcc; do  echo $i; $i -w
-O3 -march=znver3 bug1195B.c; ./a.out; done
/home/dcb42/gcc/results.20260329.asan/bin/gcc
checksum = CBD724FE
/home/dcb42/gcc/results.20260401.ubsan/bin/gcc
Segmentation fault (core dumped)
foundBugs $