------- Comment #2 from rguenth at gcc dot gnu dot org 2006-11-26 13:56 ------- The problem is that we believe we can handle all errno checking/setting via the expand_errno_check() routine which is not true for overflow/underflow but only for invalid arguments that result in a NaN.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29887
