> diff --git a/gcc/ipa-utils.cc b/gcc/ipa-utils.cc
> index 956c6294fd7..1355ccac6f0 100644
> --- a/gcc/ipa-utils.cc
> +++ b/gcc/ipa-utils.cc
> @@ -651,13 +651,16 @@ ipa_merge_profiles (struct cgraph_node *dst,
> {
> edge srce = EDGE_SUCC (srcbb, i);
> edge dste = EDGE_SUCC (dstbb, i);
> - dste->probability =
> - dste->probability * dstbb->count.ipa ().probability_in
> - (dstbb->count.ipa ()
> - + srccount.ipa ())
> - + srce->probability * srcbb->count.ipa ().probability_in
> - (dstbb->count.ipa ()
> - + srccount.ipa ());
> + profile_count sum =
> + dstbb->count.ipa () + srccount.ipa ();
> + if (sum.nonzero_p ())
> + dste->probability =
> + dste->probability * dstbb->count.ipa ().probability_in
> + (dstbb->count.ipa ()
> + + srccount.ipa ())
> + + srce->probability * srcbb->count.ipa ().probability_in
> + (dstbb->count.ipa ()
> + + srccount.ipa ());
looks good. You can use probability_in (sum)
in both of the places.
Honza
