[Bug tree-optimization/102705] [12/13/14/15 Regression] Dead Code Elimination Regression at -O3 since r12-2637-g145bc41dae7c7bfa093d61e77346f98e6a595a0e

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102705

--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 60159
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60159&action=edit
Patch which I am testing

Still need to add a few testcases.