*** old/src/share/vm/ci/ciObjArrayKlass.cpp	Wed Oct  2 17:55:41 2013
--- new/src/share/vm/ci/ciObjArrayKlass.cpp	Wed Oct  2 17:55:41 2013

*** 177,181 ****
--- 177,194 ----
  //
  // Make an array klass corresponding to the specified primitive type.
  ciObjArrayKlass* ciObjArrayKlass::make(ciKlass* element_klass) {
    GUARDED_VM_ENTRY(return make_impl(element_klass);)
  }
+ 
+ ciKlass* ciObjArrayKlass::exact_klass() {
+   ciType* base = base_element_type();
+   if (base->is_instance_klass()) {
+     ciInstanceKlass* ik = base->as_instance_klass();
+     if (ik->exact_klass() != NULL) {
+       return this;
+     }
+   } else if (base->is_primitive_type()) {
+     return this;
+   }
+   return NULL;
+ }