[Bug tree-optimization/118572] [15 regression] wrong code for expression ((0x80 & c) != 0) && ((0xc0 & c) == 0x80))

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118572

--- Comment #3 from Sam James <sjames at gcc dot gnu.org> ---
```
__attribute__((noipa))
int test(char c)
{
    return (((0x80 & (c&0xff)) != 0) && ((0xc0 & (c&0xff)) == 0x80));
}

int main() {
    if (test(0x80) == 0)
        __builtin_abort();
}
```