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// 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;
}
%PrepareFunctionForOptimization(boom);
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);
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