[Bug middle-end/111863] [14 Regression] Wrong code with "-O3 -fno-tree-ccp -fno-tree-dominator-opts -fno-tree-vrp" since r14-1600

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111863

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Oh I see the issue:
```
  _8 = _7 & 2;
  _10 = _8 != 1;

```

There needs to be a check that 1 here is the same as 2 or 0 ...