[Bug c/79320] sqrt of negative number do not return NaN with i686-w64-mingw32-gcc on pentiumI7/Windows10

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79320

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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             Target|                            |i686-w64-mingw32

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I doubt this is a GCC issue but rather either a mingw/windows runtime issue or
a CPU issue if the assembly happens to use sqrt/fsqrt instructions (you'd have
to check, you use an unoptimized compile).