mirror of https://github.com/tc39/test262.git
26 lines
618 B
JavaScript
26 lines
618 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 --block-concurrent-recompilation --noalways-opt
|
|
|
|
global = 1;
|
|
|
|
function boom(value) {
|
|
return global;
|
|
}
|
|
|
|
assertEquals(1, boom());
|
|
assertEquals(1, boom());
|
|
%OptimizeFunctionOnNextCall(boom, "concurrent");
|
|
assertEquals(1, boom());
|
|
|
|
delete this.global;
|
|
|
|
%UnblockConcurrentRecompilation();
|
|
|
|
// boom should be deoptimized because the global property cell has changed.
|
|
assertUnoptimized(boom, "sync");
|
|
|
|
assertThrows(boom);
|