src/share/vm/opto/phaseX.cpp

*** 1772,1786 ****
      hash_delete(n);             // changing bottom type may force a rehash
      n->raise_bottom_type(t);
      _worklist.push(n);          // n re-enters the hash table via the worklist
    }
  
-   // Idealize graph using DU info.  Must clone() into new-space.
-   // DU info is generally used to show profitability, progress or safety
-   // (but generally not needed for correctness).
-   Node *nn = n->Ideal_DU_postCCP(this);
- 
    // TEMPORARY fix to ensure that 2nd GVN pass eliminates NULL checks
    switch( n->Opcode() ) {
    case Op_FastLock:      // Revisit FastLocks for lock coarsening
    case Op_If:
    case Op_CountedLoopEnd:
--- 1772,1781 ----
*** 1793,1809 ****
      _worklist.push(n);
      break;
    default:
      break;
    }
-   if( nn ) {
-     _worklist.push(n);
-     // Put users of 'n' onto worklist for second igvn transform
-     add_users_to_worklist(n);
-     return nn;
-   }
- 
    return  n;
  }
  
  //---------------------------------saturate------------------------------------
  const Type* PhaseCCP::saturate(const Type* new_type, const Type* old_type,
--- 1788,1797 ----