https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88677
--- Comment #12 from Jan Hubicka <hubicka at gcc dot gnu.org> --- I have posted patch which removes the problematic TYPE_NEEDS_CONSTRUCTION to https://gcc.gnu.org/ml/gcc-patches/2019-02/msg00584.html It however does not fix the difference. I suppose it may be TBAA diverging somehow?