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deps/v8/test/mjsunit/regress/regress-7642.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.
+
+const a = [2];
+const b = [4];
+
+let log;
+
+class C {
+  constructor(...args) {
+    log = args;
+  }
+}
+
+class D extends C {
+  field = 42;
+  constructor() { super(1) };
+}
+assertEquals(42, (new D).field);
+assertEquals([1], log);
+
+class E extends C {
+  field = 42;
+  constructor() { super(...a) };
+}
+assertEquals(42, (new E).field);
+assertEquals([2], log);
+
+class F extends C {
+  field = 42;
+  constructor() { super(1, ...a) };
+}
+assertEquals(42, (new F).field);
+assertEquals([1, 2], log);
+
+class G extends C {
+  field = 42;
+  constructor() { super(1, ...a, 3) };
+}
+assertEquals(42, (new G).field);
+assertEquals([1, 2, 3], log);
+
+class H extends C {
+  field = 42;
+  constructor() { super(1, ...a, 3, ...b) };
+}
+assertEquals(42, (new H).field);
+assertEquals([1, 2, 3, 4], log);
+
+class I extends C {
+  field = 42;
+  constructor() { super(1, ...a, 3, ...b, 5) };
+}
+assertEquals(42, (new I).field);
+assertEquals([1, 2, 3, 4, 5], log);