[Bug tree-optimization/106523] [10/11/12/13 Regression] forwprop miscompile

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106523

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 54282
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54282&action=edit
gcc13-pr106523.patch

Untested fix.