Upload Kmake

deps/v8/test/mjsunit/compiler/regress-905555-2.js

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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 --noalways-turbofan
+
+global = 1;
+
+function boom(value) {
+  return global;
+}
+
+%PrepareFunctionForOptimization(boom);
+assertEquals(1, boom());
+assertEquals(1, boom());
+%DisableOptimizationFinalization();
+%OptimizeFunctionOnNextCall(boom, "concurrent");
+assertEquals(1, boom());
+
+%WaitForBackgroundOptimization();
+delete this.global;
+%FinalizeOptimization();
+
+// boom should be deoptimized because the global property cell has changed.
+assertUnoptimized(boom);
+
+assertThrows(boom);