* cgraph.c (cgraph_node::get_untransformed_body): Dump function
	bodies streamed in with -Q.
	* dumpfile.c (dump_files): Add lto-stream-out dump file.
	* dumpfile.h (tree_dump_index): Add lto_stream_out.
	* gimple-streamer-out.c: Include gimple-pretty-print.h
	(output_bb): Dump stmts streamed.
	* lto-section-out.c: Include print-tree.h
	(lto_begin_section): Dump sections created.
	(lto_output_decl_index): Dump decl encoded.
	* lto-streamer-out.c: Include print-tree.h
	(create_output_block): Dump output block created.
	(DFS::DFS_write_tree_body): Dump DFS SCCs streamed.
	(output_function): Dump function output.
	(output_constructor): Dump constructor streamed.
	(write_global_stream): Output indexes encoded.
	(produce_asm_for_decls): Dump streams encoded.
	* lto-streamer.c (streamer_dump_file): New global var.
	* lto-streamer.h (streamer_dump_file): Declare.
	* passes.c (ipa_write_summaries): Initialize streamer dump.
	* varpool.c (varpool_node::get_constructor): Dump constructors streamed
	in.

From-SVN: r261546