* data-streamer-in.c (streamer_read_gcov_count): New function.
	* gimple-streamer-out.c: Include value-prof.h.
	(output_gimple_stmt): Output histogram.
	(output_bb): Use streamer_write_gcov_count.
	* value-prof.c: Include data-streamer.h
	(dump_histogram_value): Add HIST_TYPE_MAX.
	(stream_out_histogram_value): New function.
	(stream_in_histogram_value): New function.
	* value-prof.h (enum hist_type): Add HIST_TYPE_MAX.
	(stream_out_histogram_value, stream_in_histogram_value): Declare.
	* data-streamer-out.c (streamer_write_gcov_count): New function.
	(streamer_write_gcov_count_stream): New function.
	* lto-cgraph.c (lto_output_edge): Update counter streaming.
	(lto_output_node): Likewise.
	(input_node, input_edge): Likewise.
	* lto-streamer-out.c (output_cfg): Update streaming.
	* lto-streamer-in.c (input_cfg): Likewise.
	* data-streamer.h (streamer_write_gcov_count,
	streamer_write_gcov_count_stream, streamer_read_gcov_count): Declare.
	* gimple-streamer-in.c: Include value-prof.h
	(input_gimple_stmt): Input histograms.
	(input_bb): Update profile streaming.

From-SVN: r197205