http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57000
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-04-19 08:03:34 UTC --- Shorter testcase: /* PR tree-optimization/57000 */ /* { dg-do compile } */ /* { dg-options "-Ofast -frounding-math" } */ double baz (double foo, double bar) { return foo * foo * foo * foo * bar * bar * bar * bar; }