v8/test/mjsunit/regress/regress-inlining-function-literal-context.js

// Copyright 2012 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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//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
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//       with the distribution.
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//
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// Flags: --allow-natives-syntax --expose-gc

function mkbaz(x) {
  function baz() {
    return function() {
      return [x];
    };
  }
  return baz;
}

var baz = mkbaz(1);

function foo() {
  var f = baz();
  return f();
}

// Tenure.
;
%PrepareFunctionForOptimization(foo);
gc();
gc();

assertArrayEquals([1], foo());
assertArrayEquals([1], foo());
%OptimizeFunctionOnNextCall(foo);
assertArrayEquals([1], foo());