*** old/src/share/vm/opto/compile.cpp	Mon Nov 12 10:52:09 2012
--- new/src/share/vm/opto/compile.cpp	Mon Nov 12 10:52:09 2012

*** 2076,2091 ****
--- 2076,2093 ----
    int  get_double_count() const { return _double_count; }
    int  get_java_call_count() const { return _java_call_count; }
    int  get_inner_loop_count() const { return _inner_loop_count; }
  };
  
+ #ifdef ASSERT
  static bool oop_offset_is_sane(const TypeInstPtr* tp) {
    ciInstanceKlass *k = tp->klass()->as_instance_klass();
    // Make sure the offset goes inside the instance layout.
    return k->contains_field_offset(tp->offset());
    // Note that OffsetBot and OffsetTop are very negative.
  }
+ #endif
  
  // Eliminate trivially redundant StoreCMs and accumulate their
  // precedence edges.
  static void eliminate_redundant_card_marks(Node* n) {
    assert(n->Opcode() == Op_StoreCM, "expected StoreCM");