* ipa-prop.c (ipa_binfo_from_known_type_jfunc): In LTO do not walk
	non-polymorphic types.
	* ipa-cp.c (ipa_get_jf_ancestor_result): Likewise.
	* ipa-devirt.c (types_same_for_odr): Do not explode when one
	of types is not polymorphic.

From-SVN: r212466