https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111431
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Created attachment 55907 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55907&action=edit Patch which I am testing I should note that LLVM does NOT do this simple pattern matching either.