bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges): Put all BBs reachable only via paths crossing cold region to cold region.


	* bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
	Put all BBs reachable only via paths crossing cold region to cold
	region.
	* cfgrtl.c (find_bbs_reachable_by_hot_paths): New function.

From-SVN: r250417