[Bug tree-optimization/123645] [12-16 Regression] Miscompile at -O1

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123645

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
```
phiopt match-simplify trying:
        a_11 != 0 ? 0 : iftmp.0_12
Matching expression match.pd:2449, gimple-match-5.cc:64
```