js/src/jit-test/tests/arguments/inline-arguments-exists-negative-index-2.js


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// |jit-test| --fast-warmup

function inner(i) {
  return i in arguments;
}

function outer(i) {
  trialInline();

  // Loop header to trigger OSR.
  let r = 0;
  for (let j = 0; j < 1; ++j) {
    r += inner(i);
  }
  return r;
}

let count = 0;

for (let i = 0; i <= 100; ++i) {
    if (i === 50) {
      Object.prototype[-1] = 0;
    }
    count += outer(i < 100 ? i : -1);
}

assertEq(count, 1 + 1);