mirror of
https://github.com/nodejs/node.git
synced 2025-05-16 10:12:54 +00:00
2dcc3665ab
PR-URL: https://github.com/nodejs/node/pull/28016 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Refael Ackermann (רפאל פלחי) <refack@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
26 lines
623 B
JavaScript
26 lines
623 B
JavaScript
// 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 --opt
|
|
|
|
// 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;
|
|
}
|
|
|
|
%PrepareFunctionForOptimization(doShift);
|
|
doShift(makeArray());
|
|
doShift(makeArray());
|
|
%OptimizeFunctionOnNextCall(doShift);
|
|
doShift(makeArray());
|
|
assertOptimized(doShift);
|