text: //@ runDefault("--jitPolicyScale=0")
  function compareArray(a, b) {
      if (b.length !== a.length) {
          return;
      }
      for (var i = 0; i < a.length; i++) {
          b[0];
      }
  }
  compareArray([], [0]);
  compareArray([0, 'b'].copyWithin(), ['a', 0]);
  compareArray([0], [1.1]);
  runString('');
  for (var i = 0; i < 1e6; ++i);
  