regress-5790.js 519 Bytes
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// Copyright 2017 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.

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// Flags: --allow-natives-syntax --opt
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function foo(a) {
  "use strict";
  if (a) return arguments[1];
}

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%PrepareFunctionForOptimization(foo);
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foo(false);
foo(false);
%OptimizeFunctionOnNextCall(foo);
foo(true, 1);
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%PrepareFunctionForOptimization(foo);
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foo(true, 1);
%OptimizeFunctionOnNextCall(foo);
foo(false);
foo(true, 1);
assertOptimized(foo);