re PR ipa/63814 (g++.dg/ipa/pr61160-1.C fails with -m32 -fPIC)

re PR ipa/63814 (g++.dg/ipa/pr61160-1.C fails with -m32 -fPIC)

2014-12-02  Martin Jambor  <mjambor@suse.cz>

	PR ipa/63814
	* ipa-cp.c (same_node_or_its_all_contexts_clone_p): New function.
	(cgraph_edge_brings_value_p): New parameter dest, use
	same_node_or_its_all_contexts_clone_p and check availability.
	(cgraph_edge_brings_value_p): Likewise.
	(get_info_about_necessary_edges): New parameter dest, pass it to
	cgraph_edge_brings_value_p.  Update caller.
	(gather_edges_for_value): Likewise.
	(perhaps_add_new_callers): Use cgraph_edge_brings_value_p to check
	both the destination and availability.

From-SVN: r218265