Function unreliable

deps/v8/test/mjsunit/optimized-foreach.js:417–420

(a, b)

  %NeverOptimizeFunction(side_effect);

  function unreliable(a, b) {
    let sum = 0;
    return a.forEach(x => sum += x, side_effect(a, b));
  };
  %PrepareFunctionForOptimization(unreliable);
  let a = [1, 2, 3];
  unreliable(a, false);