test/mjsunit/compiler/escape-analysis-9.js

// Copyright 2015 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
// met:
//
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// Flags: --allow-natives-syntax --turbo-escape

function f() {
  return arguments;
}

function g(a) {
  "use strict";
  var o = f(1,2);
  if (a) {
    o[0] = 5;
  } else {
    o[0] = 7;
  }

  return o[0];
}

assertEquals(7, g());
assertEquals(7, g());
%OptimizeFunctionOnNextCall(g);
assertEquals(5, g(true));
assertEquals(7, g(false));
assertEquals(7, g());