[Bug target/52451] gcc w/i387 float generates fucom rather than fcom for floating point comparsons

[bugdal at aerifal dot cx]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52451

--- Comment #2 from Rich Felker <bugdal at aerifal dot cx> 2012-03-15 16:23:11 
UTC ---
Try foo(NAN,NAN) and then check for the INVALID exception. It's not set.