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	cgraph_varpool_finalize_decl, cgraph_varpool_assemble_pending_decls):
	Use next_needed field instead of aux to maintain the queue.
	* cgraph.h (cgraph_node): Add next_needed.
	(cgraph_varpool_node): Add next_needed; remove aux.
	* cgraphunit.c (cgraph_finalize_compilation_unit): Use next_needed.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@68807 138bc75d-0d04-0410-961f-82ee72b054a4