1.1 --- a/jitcraft/Array.h	Tue Jul 03 00:25:29 2012 -0700
     1.2 +++ b/jitcraft/Array.h	Tue Jul 03 00:28:21 2012 -0700
     1.3 @@ -87,7 +87,7 @@
     1.4      }
     1.5  
     1.6      static Array *cast(Object *obj) {
     1.7 -        assert(obj->is(MapKind_Array));
     1.8 +        assert(!obj || obj->is(MapKind_Array));
     1.9          return reinterpret_cast<Array *>(obj);
    1.10      }
    1.11  };