svoid test_leftArrowScript_returnValueNotNeededOptimization() {
  LS tok = javaTokForStructure(sfu(leftArrowParse("for y to 2 { for x to 2 { y } }; null")));
  
  // Note: This is not very robust - the line "null" could also contain a
  // returnValueNeeded field in the future
  assertFalse("test_leftArrowScript_returnValueNotNeededOptimization",
    !jcontains(tok, "returnValueNeeded=t"));
}