--| Copyright (c) 1993-2006 University of Southern California and contributors. --| All rights reserved. --| Your use of this work is governed under the terms of the GNU General --| Public License version 2. -- To reproduce error: -- Compile class as is. Compiler says class is syntactically legal, -- even though `a' is declared with a Bit_type which has a positive -- integer constant (construct Constant includes signed integers). class TEST creation make feature make is do end; a: BIT +13; end