re PR ipa/61160 (wrong code with -O3 (or ICE: verify_cgraph_node failed: edge points to wrong declaration))

2014-06-27  Martin Jambor  <mjambor@suse.cz>

	PR ipa/61160
	* cgraphclones.c (duplicate_thunk_for_node): Removed parameter
	args_to_skip, use those from node instead.  Copy args_to_skip and
	combined_args_to_skip from node to the new thunk.
	(redirect_edge_duplicating_thunks): Removed parameter args_to_skip.
	(cgraph_create_virtual_clone): Moved computation of
	combined_args_to_skip...
	(cgraph_clone_node): ...here, simplify it to bitmap_ior..

testsuite/
	* g++.dg/ipa/pr61160-2.C: New test.
	* g++.dg/ipa/pr61160-3.C: Likewise.

From-SVN: r212071