re PR rtl-optimization/45621 (ICE: verify_cgraph_node failed: inlined_to pointer is set but no predecessors found with -fipa-cp-clone -flto)


	PR middle-end/45621
	* g++.dg/lto/pr45621.h : New.
	* g++.dg/lto/pr45621_0.C: New.
	* g++.dg/lto/pr45621_1.C: New.
	* cgraph.c (cgraph_update_edges_for_call_stmt_node): When new call is
	redirected to clone, be happy.
	* cgraph.h (cgraph node): Enable former_clone_of unconditinally.
	* cgraphunit.c (verify_cgraph_node, cgraph_materialize_clone): Handle
	former_clone_of unconditinally.

From-SVN: r165492