[PATCH 3/4] Dump histograms only if present.

[marxin]

gcc/ChangeLog:

2019-06-04  Martin Liska  <mliska@suse.cz>

	* value-prof.c (dump_histogram_value): Print histogram values
	only if present.
---
 gcc/value-prof.c | 72 +++++++++++++++++++-----------------------------
 1 file changed, 28 insertions(+), 44 deletions(-)

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