------- Comment #4 from rguenth at gcc dot gnu dot org 2007-11-26 11:09 ------- Reduced testcase:
-funsafe-math-optimizations double foo(void) { return __builtin_pow (0.0, -1.5); } which we (try to) expand as 1.0 / (sqrt (0.0) * 0.0) where sqrt (0.0) is simplified to 0.0. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34233