http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57313
--- Comment #3 from Marc Glisse <glisse at gcc dot gnu.org> --- (In reply to Marc Glisse from comment #2) > What do you get with -O -fdump-tree-original? I tried, and the transformation doesn't happen at all (I was wondering if it might be undone by another pass later). See http://gcc.gnu.org/ml/gcc-patches/2013-05/msg00981.html for more discussion.
