http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55771
--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-12-21 13:59:29 UTC --- Yeah, I wonder if that transformation wasn't meant to be guarded by also FLOAT_TYPE_P (itype), comparing TYPE_PRECISION of a floating type with say integer type or vector type etc. looks fishy.