--- old/src/share/vm/oops/klassVtable.cpp	Fri Feb  1 10:28:05 2013
+++ new/src/share/vm/oops/klassVtable.cpp	Fri Feb  1 10:28:05 2013
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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
@@ -645,6 +645,34 @@
   }
 }
 
+// a vtable should never contain old or obsolete methods
+bool klassVtable::check_no_old_or_obsolete_entries() {
+  for (int i = 0; i < length(); i++) {
+    methodOop m = unchecked_method_at(i);
+    if (m != NULL && (m->is_old() || m->is_obsolete())) {
+      return false;
+    }
+  }
+  return true;
+}
+
+void klassVtable::dump_vtable() {
+  // adds a searchable prefix when RedefineClasses() tracing is enabled
+  RC_TRACE_NO_CR(0x00004000, (""));
+  tty->print_cr("vtable dump --");
+  for (int i = 0; i < length(); i++) {
+    methodOop m = unchecked_method_at(i);
+    if (m != NULL) {
+      RC_TRACE_NO_CR(0x00004000, (""));
+      tty->print("      (%5d)  ", i);
+      m->access_flags().print_on(tty);
+      tty->print(" --  ");
+      m->print_name(tty);
+      tty->cr();
+    }
+  }
+}
+
 // CDS/RedefineClasses support - clear vtables so they can be reinitialized
 void klassVtable::clear_vtable() {
   for (int i = 0; i < _length; i++) table()[i].clear();
@@ -994,7 +1022,7 @@
             new_method->name()->as_C_string(),
             new_method->signature()->as_C_string()));
         }
-        break;
+        // cannot 'break' here; see for-loop comment above.
       }
       ime++;
     }
@@ -1001,7 +1029,39 @@
   }
 }
 
+// an itable should never contain old or obsolete methods
+bool klassItable::check_no_old_or_obsolete_entries() {
+  itableMethodEntry* ime = method_entry(0);
+  for (int i = 0; i < _size_method_table; i++) {
+    methodOop m = ime->method();
+    if (m != NULL && (m->is_old() || m->is_obsolete())) {
+      return false;
+    }
+    ime++;
+  }
+  return true;
+}
 
+void klassItable::dump_itable() {
+  itableMethodEntry* ime = method_entry(0);
+  // adds a searchable prefix when RedefineClasses() tracing is enabled
+  RC_TRACE_NO_CR(0x00004000, (""));
+  tty->print_cr("itable dump --");
+  for (int i = 0; i < _size_method_table; i++) {
+    methodOop m = ime->method();
+    if (m != NULL) {
+      RC_TRACE_NO_CR(0x00004000, (""));
+      tty->print("      (%5d)  ", i);
+      m->access_flags().print_on(tty);
+      tty->print(" --  ");
+      m->print_name(tty);
+      tty->cr();
+    }
+    ime++;
+  }
+}
+
+
 // Setup
 class InterfaceVisiterClosure : public StackObj {
  public:
@@ -1287,33 +1347,6 @@
   tty->print_cr("%6d bytes total", total);
 }
 
-bool klassVtable::check_no_old_entries() {
-  // Check that there really is no entry
-  for (int i = 0; i < length(); i++) {
-    methodOop m = unchecked_method_at(i);
-    if (m != NULL) {
-        if (m->is_old()) {
-            return false;
-        }
-    }
-  }
-  return true;
-}
-
-void klassVtable::dump_vtable() {
-  tty->print_cr("vtable dump --");
-  for (int i = 0; i < length(); i++) {
-    methodOop m = unchecked_method_at(i);
-    if (m != NULL) {
-      tty->print("      (%5d)  ", i);
-      m->access_flags().print_on(tty);
-      tty->print(" --  ");
-      m->print_name(tty);
-      tty->cr();
-    }
-  }
-}
-
 int  klassItable::_total_classes;   // Total no. of classes with itables
 long klassItable::_total_size;      // Total no. of bytes used for itables