* cgraphunit.c (verify_cgraph_node): Do checking that DECL match

	* cgraphunit.c (verify_cgraph_node): Do checking that DECL match
	edge only when checking is enabled; check using former_clone_of;
	check inline clones too.
	(cgraph_materialize_clone): Record former_clone_of pointer.
	(cgraph_redirect_edge_call_stmt_to_callee): Assert that we are not
	combining redirections; dump args_to_skip bitmap
	(cgraph_materialize_all_clones): Do no redirection here.
	* ipa-inline.c (inline_transform): Do redirection here.
	* cgraph.h (struct cgraph_node): Add former_clone_of filed (enabled
	cheking only).

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@159907 138bc75d-0d04-0410-961f-82ee72b054a4