http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50724
--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-10-14 14:47:18 UTC --- (In reply to comment #0) > if they are testing for 'bad' values (e.g. isnan), that's probably significant > -- otherwise the user wouldn't have added the classification calls to their > code in the first place. if they are compiling with -ffinite-math-only (i.e. asserting no NaN arguments or results), that's probably significant -- otherwise the user wouldn't have added the switch to their compilation command in the first place.
