[Bug target/92908] [10 Regression] wrong code with -Og -fno-tree-fre -mavx512bw and vector compare

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92908

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 47472
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47472&action=edit
gcc10-pr92908.patch

Full untested patch.