diff -r 02076019c25d -r 2956d0ece7a9 src/hotspot/share/adlc/arena.hpp
--- a/src/hotspot/share/adlc/arena.hpp	Wed Mar 14 07:07:18 2018 -0400
+++ b/src/hotspot/share/adlc/arena.hpp	Wed Mar 14 07:27:19 2018 -0400
@@ -25,17 +25,12 @@
 #ifndef SHARE_VM_ADLC_ARENA_HPP
 #define SHARE_VM_ADLC_ARENA_HPP
 
-// All classes in the virtual machine must be subclassed
-// by one of the following allocation classes:
-//
+// All classes in adlc may be derived
+// from one of the following allocation classes:
 //
-// For objects allocated in the C-heap (managed by: free & malloc).
+// For objects allocated in the C-heap (managed by: malloc & free).
 // - CHeapObj
 //
-//
-// For embedded objects.
-// - ValueObj
-//
 // For classes used as name spaces.
 // - AllStatic
 //
@@ -48,15 +43,6 @@
 };
 
 
-// Base class for objects used as value objects.
-// Calling new or delete will result in fatal error.
-
-class ValueObj {
- public:
-  void* operator new(size_t size) throw();
-  void operator delete(void* p);
-};
-
 // Base class for classes that constitute name spaces.
 
 class AllStatic {