v8/test/mjsunit/array-push12.js

// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Flags: --allow-natives-syntax

var a = [];
for (var i = -20; i < 0; ++i) {
  a[i] = 0;
}

function g() {
    [].push.apply(a, arguments);
}

function f() {
  g();
}

%PrepareFunctionForOptimization(f);
g();
g();
%OptimizeFunctionOnNextCall(f);
f();