--- old/src/cpu/x86/vm/interpreterRT_x86_64.cpp	2017-07-27 08:47:57.990736466 -0400
+++ new/src/cpu/x86/vm/interpreterRT_x86_64.cpp	2017-07-27 08:47:57.639215274 -0400
@@ -369,7 +369,7 @@
   }
 
  public:
-  SlowSignatureHandler(methodHandle method, address from, intptr_t* to)
+  SlowSignatureHandler(const methodHandle& method, address from, intptr_t* to)
     : NativeSignatureIterator(method)
   {
     _from = from;
@@ -461,7 +461,7 @@
   }
 
  public:
-  SlowSignatureHandler(methodHandle method, address from, intptr_t* to)
+  SlowSignatureHandler(const methodHandle& method, address from, intptr_t* to)
     : NativeSignatureIterator(method)
   {
     _from = from;