$ perl harness op/taint.t
op/taint.t .. # Failed at op/taint.t line 160
op/taint.t .. 1/774 #      got ""
# expected "1\n"
# Failed at op/taint.t line 980
#      got "13568"
# expected "0"
op/taint.t .. Failed 2/774 subtests
        (less 46 skipped subtests: 726 okay)

Test Summary Report
-------------------
op/taint.t (Wstat: 0 Tests: 774 Failed: 2)
  Failed tests:  1, 391
Files=1, Tests=774,  3 wallclock secs ( 0.31 usr +  0.00 sys =  0.31 CPU)
Result: FAIL