src/hotspot/share/opto/graphKit.cpp

*** 3589,3604 ****
    assert(SynchronizationEntryBCI == InvocationEntryBci, "");
  
    if( !GenerateSynchronizationCode )
      return NULL;                // Not locking things?
  
-   // We cannot lock on a value type
-   const TypeOopPtr* objptr = _gvn.type(obj)->make_oopptr();
-   if (objptr->can_be_value_type()) {
-     gen_value_type_guard(obj, 1);
-   }
- 
    if (stopped())                // Dead monitor?
      return NULL;
  
    assert(dead_locals_are_killed(), "should kill locals before sync. point");
  
--- 3589,3598 ----