E1:     C1 CALL pred catch_retry.main/2-0 (cc_multi) catch_retry.m:16
mdb> echo on
Command echo enabled.
mdb> exception
      E2:     C2 EXCP pred exception.throw_impl/1-0 (erroneous) exception.m:NNNN (exception.m:NNNN)
mdb> retry 8
      E1:     C1 CALL pred catch_retry.main/2-0 (cc_multi) catch_retry.m:16
mdb> quit -y