[Bug ipa/117432] [12/13/14/15 Regression] IPA ICF disregards types of variadic arguments since r10-4643-ga37f58f506e436

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117432

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=92768

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Similar to PR 92768 about 0.0 and -0.0 being treated the same too with -Ofast:
```
void bar(int tag, ...);

void foo32(void) {
    bar(1, 0.0, 0);
}

void foo64(void) {
  vect16 long t = {-1, -1};
    bar(1, -0.0, 0);
}
```

So yes I think OEP_BITWISE needs to here too.