* ipa-polymorphic-call.c (extr_type_from_vtbl_store): Do better
	pattern matching of MEM_REF.
	(check_stmt_for_type_change): Update.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@216010 138bc75d-0d04-0410-961f-82ee72b054a4