t / chainlint / bash-array.expecton commit help_unknown_ref(): check for refname ambiguity (2ed2e19)
   1(
   2        foo &&
   3        bar=(gumbo stumbo wumbo) &&
   4        baz
   5>) &&
   6(
   7        foo &&
   8        bar=${#bar[@]} &&
   9        baz
  10>)