diff --git a/tests/ClipStackTest.cpp b/tests/ClipStackTest.cpp
index 3127a71..9b4a68f 100644
--- a/tests/ClipStackTest.cpp
+++ b/tests/ClipStackTest.cpp
@@ -669,7 +669,13 @@
         ElementList reducedClips;
 
         GrReducedClip::InitialState initial;
-        GrReducedClip::GrReduceClipStack(stack, inflatedBounds, &reducedClips, &initial);
+        SkIRect tBounds;
+        SkIRect* tightBounds = r.nextBool() ? &tBounds : NULL;
+        GrReducedClip::ReduceClipStack(stack,
+                                       inflatedIBounds,
+                                       &reducedClips,
+                                       &initial,
+                                       tightBounds);
 
         // Build a new clip stack based on the reduced clip elements
         SkClipStack reducedStack;
@@ -681,6 +687,11 @@
             add_elem_to_stack(*iter.get(), &reducedStack);
         }
 
+        // GrReducedClipStack assumes that the final result is clipped to the returned bounds
+        if (NULL != tightBounds) {
+            reducedStack.clipDevRect(*tightBounds, SkRegion::kIntersect_Op);
+        }
+
         // convert both the original stack and reduced stack to SkRegions and see if they're equal
         SkRegion region;
         SkRegion reducedRegion;