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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/113072] `(a ^ CST0) & (~a ^ CST0)` is not
 optimized to 0 at the gimple level
Date: Mon, 18 Dec 2023 19:09:03 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113072

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=3D111149

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Looks like bool sometimes produces !=3D or ^ :)
```
bool foo(bool a, int b)
{
        bool b1 =3D b =3D=3D 1;
        bool b2 =3D !b1;
        bool c =3D (a ^ b1);
        return  c & (a ^ b2);
}
```
Though that is PR 111149 .=