https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106785
Aldy Hernandez <aldyh at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #10 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #8)
> Well, __builtin_nan ("") == xxx is always false even with
> -fno-finite-math-only,
> including NaN == NaN, that is how floating point equality comparisons are
> defined.
> But, e.g. with -ffinite-math-only, we fold __builtin_isinf (x) or
> __builtin_isnan (x) to 0 (maybe with the exception if you use __builtin_nan
> ("") as its operand?; but that just shows that it is UB if NaNs or Infs can
> appear at runtime).
ok, we're good then. That's how I understand things as well.
