blob: 809d07df6575680a6164f80ebbbc8d5f2096554f (
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diff --git a/gfx/cairo/cairo/src/cairo-polygon-intersect.c b/gfx/cairo/cairo/src/cairo-polygon-intersect.c
--- a/gfx/cairo/cairo/src/cairo-polygon-intersect.c
+++ b/gfx/cairo/cairo/src/cairo-polygon-intersect.c
@@ -1167,7 +1167,7 @@ active_edges (cairo_bo_edge_t *left,
} while (1);
right = left->next;
- do {
+ while (right) {
if unlikely ((right->deferred.other))
edges_end (right, top, polygon);
@@ -1179,7 +1179,9 @@ active_edges (cairo_bo_edge_t *left,
}
right = right->next;
- } while (1);
+ };
+ if (! right)
+ return;
edges_start_or_continue (left, right, top, polygon);
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