ipa-cp.c (ipcp_process_devirtualization_opportunities): Update call of gimple_get_virt_method_for_binfo.

	* ipa-cp.c (ipcp_process_devirtualization_opportunities):
	Update call of gimple_get_virt_method_for_binfo.
	* gimple-fold.c (gimple_get_virt_method_for_binfo): Remove
	refuse_thunks parameter.
	(gimple_fold_call): Update.
	* ipa-prop.c (try_make_edge_direct_virtual_call): Update.

From-SVN: r174905