Upload Kmake

deps/v8/test/mjsunit/regress/regress-crbug-980168.js

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+// Copyright 2019 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: --verify-heap
+
+// seal then freeze.
+(function () {
+  const v1 = Object.seal(Object);
+  const v3 = Object();
+  const v4 = Object(Object);
+  v3.__proto__ = v4;
+  const v6 = Object.freeze(Object);
+})();
+
+// preventExtensions then freeze.
+(function () {
+  const v1 = Object.preventExtensions(Object);
+  const v3 = Object();
+  const v4 = Object(Object);
+  v3.__proto__ = v4;
+  const v6 = Object.freeze(Object);
+})();
+
+// preventExtensions then seal.
+(function () {
+  const v1 = Object.preventExtensions(Object);
+  const v3 = Object();
+  const v4 = Object(Object);
+  v3.__proto__ = v4;
+  const v6 = Object.seal(Object);
+})();
+
+// freeze.
+(function () {
+  const v3 = Object();
+  const v4 = Object(Object);
+  v3.__proto__ = v4;
+  const v6 = Object.freeze(Object);
+})();
+
+// seal.
+(function () {
+  const v3 = Object();
+  const v4 = Object(Object);
+  v3.__proto__ = v4;
+  const v6 = Object.seal(Object);
+})();
+
+// preventExtensions.
+(function () {
+  const v3 = Object();
+  const v4 = Object(Object);
+  v3.__proto__ = v4;
+  const v6 = Object.preventExtensions(Object);
+})();