* g++.dg/ipa/devirt-13.C: Update template.
	* ipa-utils.h (possible_polymorphic_call_targets): Determine context of
	the call.
	* gimple-fold.c (gimple_fold_call): Use ipa-devirt to devirtualize.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206042 138bc75d-0d04-0410-961f-82ee72b054a4