optimized-int32array-length.js 441 Bytes
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// Copyright 2016 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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var a = new Int32Array(1);
function len(a) { return a.length; }
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%PrepareFunctionForOptimization(len);
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assertEquals(1, len(a));
assertEquals(1, len(a));
%OptimizeFunctionOnNextCall(len);
assertEquals(1, len(a));
assertOptimized(len);