PR ipa/65600
	* cgraph.c (cgraph_update_edges_for_call_stmt_node): Fix the case
	of optimized out indirect call.
	(redirect_to_unreachable): Always build symbol table node for
	BUILT_IN_UNREACHABLE
	* g++.dg/torture/pr65600.C: New testcase.

From-SVN: r221735