diff --git a/include/llvm/Support/OutputBuffer.h b/include/llvm/Support/OutputBuffer.h
index 73a4a631deb..2619ff90d78 100644
--- a/include/llvm/Support/OutputBuffer.h
+++ b/include/llvm/Support/OutputBuffer.h
@@ -138,6 +138,15 @@ namespace llvm {
       else
         assert(0 && "Emission of 64-bit data not implemented yet!");
     }
+
+    std::vector<unsigned char>::reference
+    operator [] (unsigned Index) {
+      return Output[Index];
+    }
+    std::vector<unsigned char>::const_reference
+    operator [] (unsigned Index) const {
+      return Output[Index];
+    }
   };
   
 } // end llvm namespace