*** old/src/cpu/x86/vm/c1_CodeStubs_x86.cpp	Wed Mar 23 09:37:30 2011
--- new/src/cpu/x86/vm/c1_CodeStubs_x86.cpp	Wed Mar 23 09:37:30 2011

*** 314,324 ****
--- 314,324 ----
      assert(_obj != noreg, "must be a valid register");
      Register tmp = rax;
      Register tmp2 = rbx;
      __ push(tmp);
      __ push(tmp2);
!     __ movptr(tmp2, Address(_obj, java_lang_Class::klass_offset_in_bytes()));
!     __ load_heap_oop(tmp2, Address(_obj, java_lang_Class::klass_offset_in_bytes()));
      __ get_thread(tmp);
      __ cmpptr(tmp, Address(tmp2, instanceKlass::init_thread_offset_in_bytes() + sizeof(klassOopDesc)));
      __ pop(tmp2);
      __ pop(tmp);
      __ jcc(Assembler::notEqual, call_patch);