[Bug target/111655] wrong code generated for __builtin_signbit and 0./0. on x86-64 -O2

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #3)
> 
> Note GCC and clang even disagree on the first testcase but agree with the
> second one.

Oh and the C and C++ front-end even disagree with each other.