http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47617
--- Comment #7 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-02-08 11:35:32 UTC --- Well, this case is slightly different as we simply have const/pure builtins that do not only depend on their arguments (but the FP state). Thus we'd need to trop the attributes from these functions for -frounding-math. Not that it would help a lot, given PR34678 ...
