*** old/src/share/vm/opto/memnode.cpp	Tue Sep  1 11:02:00 2009
--- new/src/share/vm/opto/memnode.cpp	Tue Sep  1 11:02:00 2009

*** 2308,2320 ****
--- 2308,2339 ----
      const Type *t1 = phase->type( my_store->in(MemNode::ValueIn) );
      if( t1 == TypePtr::NULL_PTR ) {
        return in(MemNode::Memory);
      }
    }
+ 
    return this;
  }
  
+ //=============================================================================
+ //------------------------------Ideal---------------------------------------
+ Node *StoreCMNode::Ideal(PhaseGVN *phase, bool can_reshape){
+   Node* progress = StoreNode::Ideal(phase, can_reshape);
+   if (progress != NULL) return progress;
+ 
+   Node* my_store = in(MemNode::OopStore);
+   if (my_store->is_MergeMem()) {
+     Node* mem = my_store->as_MergeMem()->memory_at(oop_alias_idx());
+     if (mem != my_store) {
+       set_req(MemNode::OopStore, mem);
+       return this;
+     }
+   }
+ 
+   return NULL;
+ }
+ 
  //------------------------------Value-----------------------------------------
  const Type *StoreCMNode::Value( PhaseTransform *phase ) const {
    // Either input is TOP ==> the result is TOP
    const Type *t = phase->type( in(MemNode::Memory) );
    if( t == Type::TOP ) return Type::TOP;