https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65146
--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot com> --- It's quite possible there are x86 struct bugs, cf. <https://gcc.gnu.org/ml/gcc-patches/2013-11/msg02840.html> and <https://gcc.gnu.org/ml/gcc-patches/2013-11/msg02862.html>.
