1 files changed, 10 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/assembler/AssemblerBuffer.h b/Source/JavaScriptCore/assembler/AssemblerBuffer.h
index a90efc6..802fa7f 100644
--- a/Source/JavaScriptCore/assembler/AssemblerBuffer.h
+++ b/Source/JavaScriptCore/assembler/AssemblerBuffer.h
@@ -154,6 +154,16 @@ namespace JSC {
             return memcpy(result, m_buffer, m_size);
         }
 
+        void rewindToOffset(int offset)
+        {
+            ASSERT(offset >= 0);
+            m_size = offset;
+        }
+
+#ifndef NDEBUG
+        unsigned debugOffset() { return m_size; }
+#endif
+
     protected:
         void append(const char* data, int size)
         {