From 22e8ceec69332d0835a3cd27ab3cf88cb9c5a19a Mon Sep 17 00:00:00 2001
From: Jason Simmons <jason-simmons@users.noreply.github.com>
Date: Thu, 10 Aug 2017 17:20:59 -0700
Subject: [PATCH] Allow infinite cull rectangles on a Canvas
 (flutter/engine#3975)

---
 engine/src/flutter/lib/ui/painting.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/engine/src/flutter/lib/ui/painting.dart b/engine/src/flutter/lib/ui/painting.dart
index ef7154c01f..d1b1a2ecab 100644
--- a/engine/src/flutter/lib/ui/painting.dart
+++ b/engine/src/flutter/lib/ui/painting.dart
@@ -1408,7 +1408,7 @@ class Canvas extends NativeFieldWrapperClass2 {
     assert(recorder != null);
     if (recorder.isRecording)
       throw new ArgumentError('"recorder" must not already be associated with another Canvas.');
-    assert(_rectIsValid(cullRect));
+    assert(cullRect != null);
     _constructor(recorder, cullRect.left, cullRect.top, cullRect.right, cullRect.bottom);
   }
   void _constructor(PictureRecorder recorder,