1378 attempt to free unknown space The compiler complains when attempting to compile the attached file(s) with optimisation levels Q0 or Q1, but not Q2. This bug was found while attempting to isolate a different compiler, so I was unable to simplify the code that caused the bug. dk 2 /aldor.org/website/bugs/bugreport_1378/bug4.tar tar -xf bug4.tar ; cd bug4 ; aldor -Q0 -Fao avl-set.ao 1.0.2 casper@unbc.ca yes dk dk dk dk Q0 dk dk