v8/test/mjsunit/regress/regress-2989.js

// Copyright 2013 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
//
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// Flags: --allow-natives-syntax --opt

if (isNeverOptimizeLiteMode()) {
  print("Warning: skipping test that requires optimization in Lite mode.");
  testRunner.quit(0);
}

(function ArgumentsObjectChange() {
  function f(x) {
      x = 42;
      return f.arguments[0];
  }
  %EnsureFeedbackVectorForFunction(f);
  f(0);
  %OptimizeFunctionOnNextCall(f);
  assertEquals(42, f(0));
})();