1 files changed, 6 insertions, 0 deletions
diff --git a/WebCore/rendering/PaintInfo.h b/WebCore/rendering/PaintInfo.h
index 213eb30..3598807 100644
--- a/WebCore/rendering/PaintInfo.h
+++ b/WebCore/rendering/PaintInfo.h
@@ -86,10 +86,16 @@ struct PaintInfo {
             return;
 
         context->concatCTM(localToAncestorTransform);
+
+        if (rect == infiniteRect())
+            return;
+
         rect = localToAncestorTransform.inverse().mapRect(rect);
     }
 #endif
 
+    static IntRect infiniteRect() { return IntRect(INT_MIN / 2, INT_MIN / 2, INT_MAX, INT_MAX); }
+
     // FIXME: Introduce setters/getters at some point. Requires a lot of changes throughout rendering/.
     GraphicsContext* context;
     IntRect rect;