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dad73f645c
PR-URL: https://github.com/iojs/io.js/pull/243 Reviewed-By: Fedor Indutny <fedor@indutny.com> Reviewed-By: Trevor Norris <trev.norris@gmail.com>
25 lines
575 B
JavaScript
25 lines
575 B
JavaScript
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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// Inlining shift with holey smi arrays shouldn't deopt just because it
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// encounters the hole on the copy step.
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function doShift(a) {
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var x = a.shift();
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return x;
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}
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function makeArray() {
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var a = [1, 2,, 3];
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a[0] = 2;
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return a;
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}
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doShift(makeArray());
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doShift(makeArray());
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%OptimizeFunctionOnNextCall(doShift);
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doShift(makeArray());
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assertOptimized(doShift);
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