1 files changed, 10 insertions, 1 deletions
diff --git a/Source/JavaScriptCore/dfg/DFGConstantFoldingPhase.cpp b/Source/JavaScriptCore/dfg/DFGConstantFoldingPhase.cpp
index 68d5534e0..dfb62cbc4 100644
--- a/Source/JavaScriptCore/dfg/DFGConstantFoldingPhase.cpp
+++ b/Source/JavaScriptCore/dfg/DFGConstantFoldingPhase.cpp
@@ -101,7 +101,16 @@ private:
                     node.convertToStructureTransitionWatchpoint(structureValue.singleton());
                 break;
             }
-                    
+                
+            case CheckArray: {
+                if (!modeAlreadyChecked(m_state.forNode(node.child1()), node.arrayMode()))
+                    break;
+                ASSERT(node.refCount() == 1);
+                node.setOpAndDefaultFlags(Phantom);
+                eliminated = true;
+                break;
+            }
+                
             default:
                 break;
             }