lto-streamer-out.c (hash_tree): Use cl_optimization_hash.

	* lto-streamer-out.c (hash_tree): Use cl_optimization_hash.
	* lto-streamer.h (cl_optimization_stream_out, cl_optimization_stream_in): Declare.
	* optc-save-gen.awk: Generate cl_optimization LTO streaming and hashing routines.
	* opth-gen.awk: Add prototype of cl_optimization_hash.
	* tree-streamer-in.c (unpack_ts_optimization): Remove.
	(streamer_unpack_tree_bitfields): Use cl_optimization_stream_in.
	* tree-streamer-out.c (pack_ts_optimization): Remove.
	(streamer_pack_tree_bitfields): Use cl_optimization_stream_out.

From-SVN: r217607