[Bug tree-optimization/68356] FAIL: gcc.dg/torture/pr68264.c -O* execution test on x86_64-apple-darwin1(0|4)

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68356

--- Comment #8 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> You might want to double check that it's not a bug in the HP-UX libm.

AFAIU Joseph (comment 2) the test should be skipped on platforms defaulting to
-fno-math-errno as Darwin. Is it the case for HP-UX?