[Bug tree-optimization/105832] [13/14 Regression] Dead Code Elimination Regression at -O3 (trunk vs. 12.1.0)

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105832

--- Comment #11 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Looks viable to me.  Are you thinking match.pd?