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

[daniel.weil at argosim dot com]

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

--- Comment #2 from Daniel WEIL <daniel.weil at argosim dot com> ---
OK. I log the issue on mingw bugs : https://sourceforge.net/p/mingw/bugs/2337/