* cgraph.h (cgraph_dump_file): Declare.
	* cgraphunit.c (cgraph_dump_file): Export.
	* ipa.c (dump_cgraph_node_set, dump_varpool_node_set): Be less
	verbose.

	* lto.c (promote_var, promote_fn, lto_wpa_write_files): Dump
	partitioning decisions.

From-SVN: r160053