2013-10-02  Teresa Johnson  <tejohnson@google.com>

	* predict.c (probably_never_executed): New function.
	(probably_never_executed_bb_p): Invoke probably_never_executed.
	(probably_never_executed_edge_p): Ditto.
	* bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
	Treat profile insanities conservatively.

From-SVN: r203152