--- a/hotspot/src/share/vm/prims/methodHandles.cpp	Thu May 23 17:39:32 2013 +0200
+++ b/hotspot/src/share/vm/prims/methodHandles.cpp	Thu May 23 23:04:33 2013 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2013, 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
@@ -232,7 +232,8 @@
   // This is done eagerly, since it is readily available without
   // constructing any new objects.
   // TO DO: maybe intern mname_oop
-  m->method_holder()->add_member_name(mname);
+  m->method_holder()->add_member_name(m->method_idnum(), mname);
+
   return mname();
 }
 
@@ -301,7 +302,6 @@
   // Although the fieldDescriptor::_index would also identify the field,
   // we do not use it, because it is harder to decode.
   // TO DO: maybe intern mname_oop
-  InstanceKlass::cast(field_holder())->add_member_name(mname);
   return mname();
 }
 
@@ -943,7 +943,8 @@
 // MemberNameTable
 //
 
-MemberNameTable::MemberNameTable() : GrowableArray<jweak>(10, true) {
+MemberNameTable::MemberNameTable(int methods_cnt)
+                  : GrowableArray<jweak>(methods_cnt, true) {
   assert_locked_or_safepoint(MemberNameTable_lock);
 }
 
@@ -957,29 +958,18 @@
   }
 }
 
-// Return entry index if found, return -1 otherwise.
-int MemberNameTable::find_member_name(oop mem_name) {
+void MemberNameTable::add_member_name(int index, jweak mem_name_wref) {
   assert_locked_or_safepoint(MemberNameTable_lock);
-  int len = this->length();
-
-  for (int idx = 0; idx < len; idx++) {
-    jweak ref = this->at(idx);
-    oop entry = JNIHandles::resolve(ref);
-    if (entry == mem_name) {
-      return idx;
-    }
-  }
-  return -1;
+  this->at_put_grow(index, mem_name_wref);
 }
 
-void MemberNameTable::add_member_name(jweak mem_name_wref) {
+// Return a member name oop or NULL.
+oop MemberNameTable::get_member_name(int index) {
   assert_locked_or_safepoint(MemberNameTable_lock);
-  oop mem_name = JNIHandles::resolve(mem_name_wref);
 
-  // Each member name may appear just once: add only if not found
-  if (find_member_name(mem_name) == -1) {
-    this->append(mem_name_wref);
-  }
+  jweak ref = this->at(index);
+  oop mem_name = JNIHandles::resolve(ref);
+  return mem_name;
 }
 
 #if INCLUDE_JVMTI