The ICE occurs because the 't' == NULL for assumed-size arrays. For them, the size is not known – but as this should only occur for use_device_{addr,ptr}, the size is not needed. OK for mainline? Tobias ----------------- Mentor Graphics (Deutschland) GmbH, Arnulfstrasse 201, 80634 München Registergericht München HRB 106955, Geschäftsführer: Thomas Heurung, Frank Thürauf