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diff --git a/Source/JavaScriptCore/dfg/DFGBlockInsertionSet.h b/Source/JavaScriptCore/dfg/DFGBlockInsertionSet.h
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+++ b/Source/JavaScriptCore/dfg/DFGBlockInsertionSet.h
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+/*
+ * Copyright (C) 2013, 2014 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef DFGBlockInsertionSet_h
+#define DFGBlockInsertionSet_h
+
+#if ENABLE(DFG_JIT)
+
+#include "DFGGraph.h"
+#include <wtf/Insertion.h>
+#include <wtf/Vector.h>
+
+namespace JSC { namespace DFG {
+
+typedef WTF::Insertion<RefPtr<BasicBlock>> BlockInsertion;
+
+class BlockInsertionSet {
+public:
+    BlockInsertionSet(Graph&);
+    ~BlockInsertionSet();
+    
+    void insert(const BlockInsertion&);
+    void insert(size_t index, PassRefPtr<BasicBlock>);
+    BasicBlock* insert(size_t index, float executionCount);
+    BasicBlock* insertBefore(BasicBlock* before, float executionCount);
+
+    bool execute();
+
+private:
+    Graph& m_graph;
+    Vector<BlockInsertion, 8> m_insertions;
+};
+
+} } // namespace JSC::DFG
+
+#endif // ENABLE(DFG_JIT)
+
+#endif // DFGBlockInsertionSet_h
+