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-rw-r--r--xdiff/xpatience.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/xdiff/xpatience.c b/xdiff/xpatience.c
index a613efc703..9f91702de7 100644
--- a/xdiff/xpatience.c
+++ b/xdiff/xpatience.c
@@ -166,7 +166,7 @@ static int binary_search(struct entry **sequence, int longest,
int left = -1, right = longest;
while (left + 1 < right) {
- int middle = (left + right) / 2;
+ int middle = left + (right - left) / 2;
/* by construction, no two entries can be equal */
if (sequence[middle]->line2 > entry->line2)
right = middle;