http://gambaswiki.org/bugtracker/edit?object=BUG.2805&from=L21haW4- Comment #4 by Benoît MINISINI: Can you set GB_JIT_DEBUG=1, and read the generated /tmp/gb.map.c file to get the Gambas source code line associated with the JIT corrupted line? (The Gambas source code line is written inside a comment).