t / chainlint / nested-subshell.expecton commit unpack-trees: avoid the_index in verify_absent() (c7f3259)
   1(
   2        cd foo &&
   3        (
   4                echo a &&
   5                echo b
   6>>      ) >file &&
   7        cd foo &&
   8        (
   9                echo a
  10                echo b
  11>>      ) >file
  12>)