1.1 --- a/src/Interpreter.cpp	Thu Dec 27 21:07:03 2012 -0800
     1.2 +++ b/src/Interpreter.cpp	Fri Dec 28 17:13:51 2012 -0800
     1.3 @@ -986,6 +986,26 @@
     1.4      break;
     1.5  }
     1.6  
     1.7 +case OP_DEPARRAY:
     1.8 +{
     1.9 +    Local<ArrayMap> map(zone, ArrayMap::cast(top.fp->code()->object(READ_UINT32(top.pc))));
    1.10 +    Local<Array> array(zone, Array::cast(top.sp[-2].obj));
    1.11 +    int index = top.sp[-1].i32;
    1.12 +
    1.13 +    // We allow taking 0-length dependent arrays.
    1.14 +    if (index < 0 || unsigned(index) > array->length()) {
    1.15 +        zone->reportError(Message_ArrayIndexOutOfBounds, index, array->length());
    1.16 +        goto error;
    1.17 +    }
    1.18 +
    1.19 +    top.sp[-2].obj = DependentArray::New(zone, array, map, index);
    1.20 +    if (!top.sp[-2].obj)
    1.21 +        goto error;
    1.22 +
    1.23 +    top.sp--;
    1.24 +    break;
    1.25 +}
    1.26 +
    1.27  default:
    1.28      assert(false);
    1.29      return false;