KDB_WHY_UNSET
kdb_why = KDB_WHY_UNSET;
kdb_why = KDB_WHY_UNSET;
kdb_why = KDB_WHY_UNSET;
db_script_kdbenter(why != KDB_WHY_UNSET ? why : "unknown");
kdb_why = KDB_WHY_UNSET;
const char * volatile kdb_why = KDB_WHY_UNSET;
kdb_why = KDB_WHY_UNSET;
kdb_enter(KDB_WHY_UNSET, "illegal instruction");
kdb_why = KDB_WHY_UNSET;
kdb_why = KDB_WHY_UNSET;