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Bug 393490. When subsuming an interval, we need to merge its beginning into the current interval as well as its end, because it might start before the current interval. r+sr=dbaron

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git-svn-id: svn://10.0.0.236/trunk@246252 18797224-902f-48f8-a5cc-f745e15eee43
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roc+%cs.cmu.edu
2008-02-22 01:02:52 +00:00
parent 62a8d99c25
commit 37e652dcfa
1 changed files with 1 additions and 0 deletions
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mozilla/layout/generic/nsIntervalSet.cpp
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@@ -88,6 +88,7 @@ void nsIntervalSet::IncludeInterval(coord_type aBegin, coord_type aEnd)
Interval *subsumed = newInterval->mNext;
while (subsumed && subsumed->mBegin <= aEnd) {
newInterval->mBegin = PR_MIN(newInterval->mBegin, subsumed->mBegin);
newInterval->mEnd = PR_MAX(newInterval->mEnd, subsumed->mEnd);
newInterval->mNext = subsumed->mNext;
FreeInterval(subsumed);