Caught yet another escaped hole.

src/runtime.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 10475 matching lines @@
 
       // If the callback object is a fixed array then it contains JavaScript
       // getter and/or setter.
       bool hasJavaScriptAccessors = result_type == CALLBACKS &&
                                     result_callback_obj->IsAccessorPair();
       Handle<FixedArray> details =
           isolate->factory()->NewFixedArray(hasJavaScriptAccessors ? 5 : 2);
       details->set(0, *value);
       details->set(1, property_details);
       if (hasJavaScriptAccessors) {
+        AccessorPair* accessors = AccessorPair::cast(*result_callback_obj);
         details->set(2, isolate->heap()->ToBoolean(caught_exception));
-        details->set(3, AccessorPair::cast(*result_callback_obj)->getter());
-        details->set(4, AccessorPair::cast(*result_callback_obj)->setter());
+        details->set(3, accessors->SafeGet(ACCESSOR_GETTER));
+        details->set(4, accessors->SafeGet(ACCESSOR_SETTER));
       }
 
       return *isolate->factory()->NewJSArrayWithElements(details);
     }
     if (i < length - 1) {
       jsproto = Handle<JSObject>(JSObject::cast(jsproto->GetPrototype()));
     }
   }
 
   return isolate->heap()->undefined_value();
@@ skipping 3114 matching lines @@
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     isolate->counters()->gc_last_resort_from_js()->Increment();
     isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags,
                                        "Runtime::PerformGC");
   }
 }
 
 
 } }  // namespace v8::internal