mirror of
https://github.com/nodejs/node.git
synced 2025-05-16 22:51:23 +00:00
4f72291521
PR-URL: https://github.com/nodejs/node/pull/39945 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
28 lines
704 B
JavaScript
28 lines
704 B
JavaScript
// Copyright 2018 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 --noalways-opt
|
|
|
|
global = 1;
|
|
|
|
function boom(value) {
|
|
return global;
|
|
}
|
|
|
|
%PrepareFunctionForOptimization(boom);
|
|
assertEquals(1, boom());
|
|
assertEquals(1, boom());
|
|
%DisableOptimizationFinalization();
|
|
%OptimizeFunctionOnNextCall(boom, "concurrent");
|
|
assertEquals(1, boom());
|
|
|
|
%WaitForBackgroundOptimization();
|
|
this.__defineGetter__("global", () => 42);
|
|
%FinalizeOptimization();
|
|
|
|
// boom should be deoptimized because the global property cell has changed.
|
|
assertUnoptimized(boom);
|
|
|
|
assertEquals(42, boom());
|