t/op/die.t See if die works
t/op/die_exit.t See if die and exit status interaction works
t/op/do.t See if subroutines work
+t/op/dor.t See if defined-or (//) works
t/op/each.t See if hash iterators work
t/op/eval.t See if eval operator works
t/op/exec.t See if exec and system work