--| 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. -- When compiler reports VEEN error, comment out the single -- assertion in the class invariant. Resume. Compiles OK. -- Now uncomment the invariant assertion. Recompile. Exception trace. class TEST creation make feature make is do end; invariant end