--- a/hotspot/src/share/vm/prims/nativeLookup.hpp	Wed Oct 21 13:46:25 2015 +0000
+++ b/hotspot/src/share/vm/prims/nativeLookup.hpp	Fri Oct 23 16:48:38 2015 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,20 +34,20 @@
 class NativeLookup : AllStatic {
  private:
   // JNI name computation
-  static char* pure_jni_name(methodHandle method);
-  static char* long_jni_name(methodHandle method);
-  static char* critical_jni_name(methodHandle method);
+  static char* pure_jni_name(const methodHandle& method);
+  static char* long_jni_name(const methodHandle& method);
+  static char* critical_jni_name(const methodHandle& method);
 
   // Style specific lookup
-  static address lookup_style(methodHandle method, char* pure_name, const char* long_name, int args_size, bool os_style, bool& in_base_library, TRAPS);
-  static address lookup_critical_style(methodHandle method, char* pure_name, const char* long_name, int args_size, bool os_style);
-  static address lookup_base (methodHandle method, bool& in_base_library, TRAPS);
-  static address lookup_entry(methodHandle method, bool& in_base_library, TRAPS);
-  static address lookup_entry_prefixed(methodHandle method, bool& in_base_library, TRAPS);
+  static address lookup_style(const methodHandle& method, char* pure_name, const char* long_name, int args_size, bool os_style, bool& in_base_library, TRAPS);
+  static address lookup_critical_style(const methodHandle& method, char* pure_name, const char* long_name, int args_size, bool os_style);
+  static address lookup_base (const methodHandle& method, bool& in_base_library, TRAPS);
+  static address lookup_entry(const methodHandle& method, bool& in_base_library, TRAPS);
+  static address lookup_entry_prefixed(const methodHandle& method, bool& in_base_library, TRAPS);
  public:
   // Lookup native function. May throw UnsatisfiedLinkError.
-  static address lookup(methodHandle method, bool& in_base_library, TRAPS);
-  static address lookup_critical_entry(methodHandle method);
+  static address lookup(const methodHandle& method, bool& in_base_library, TRAPS);
+  static address lookup_critical_entry(const methodHandle& method);
 
   // Lookup native functions in base library.
   static address base_library_lookup(const char* class_name, const char* method_name, const char* signature);