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

	* predict.c (tree_estimate_probability): Add new parameter
	for estimate_bb_frequencies.
	(estimate_bb_frequencies): Add new parameter to force estimation.
	(rebuild_frequencies): When max frequency in function is small,
	recompute counts from frequencies.
	* predict.h (estimate_bb_frequencies): New parameter.

From-SVN: r203395