t / chainlint / arithmetic-expansion.expecton commit t3506: validate '-m 1 -ff' is now accepted for non-merge commits (1c32013)
   1(
   2        foo &&
   3        bar=$((42 + 1)) &&
   4        baz
   5>) &&
   6(
   7?!AMP?! bar=$((42 + 1))
   8        baz
   9>)