To workaround an early 88100 models problem, gcc explicitely adds checks for division by zero in the generated code, and will trap to vector #503 in this case.
To workaround an early 88100 models problem, gcc explicitely adds checks for
division by zero in the generated code, and will trap to vector #503 in this
case.

Make sure that this vector gets handled as the regular divide-by-zero vector.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars