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// Copyright 2014 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.
// Flags: --allow-natives-syntax
// Inlining shift with holey smi arrays shouldn't deopt just because it
// encounters the hole on the copy step.
function doShift(a) {
var x = a.shift();
return x;
}
function makeArray() {
var a = [1, 2,, 3];
a[0] = 2;
return a;
}
doShift(makeArray());
doShift(makeArray());
%OptimizeFunctionOnNextCall(doShift);
doShift(makeArray());
assertOptimized(doShift);