2018-06-21  Richard Biener  <rguenther@suse.de>

	* lto-streamer-out.c (DFS::DFS_write_tree_body): Update outdated
	comment.  Follow BLOCK_ABSTRACT_ORIGIN unconditionally.
	* tree-streamer-in.c (lto_input_ts_block_tree_pointers): Update
	comment.
	* tree-streamer-out.c (write_ts_block_tree_pointers): Stream
	BLOCK_ABSTRACT_ORIGIN unconditionally.

From-SVN: r261847