Last attempt at integrating this failed when merged with master, which lead to backing it out.
            
- clones
- 
                    JDK-8366363 MemBaseline accesses VMT without using lock -           
- Resolved
 
-         
- duplicates
- 
                    JDK-8367249 [REDO] MemBaseline accesses VMT without using lock -           
- Resolved
 
-