src/share/vm/opto/phaseX.cpp

@@ -1772,15 +1772,10 @@
     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:

@@ -1793,17 +1788,10 @@
     _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,