http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58014
--- Comment #2 from John David Anglin <danglin at gcc dot gnu.org> --- Introduced in r197845: 2013-04-12 Richard Biener <rguent...@suse.de> * gimple.c (is_gimple_constant): Vector CONSTRUCTORs should not be considered a gimple constant.