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deps/v8/test/mjsunit/regress/regress-crbug-807096.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 --no-lazy
+
+d8.file.execute('test/mjsunit/test-async.js');
+
+// For regression testing, it's important that these functions are:
+// 1) toplevel
+// 2) arrow functions with single-expression bodies
+// 3) eagerly compiled
+
+let f = ({a = (({b = {a = c} = {
+  a: 0x1234
+}}) => 1)({})}, c) => 1;
+
+assertThrows(() => f({}), ReferenceError);
+
+let g = ({a = (async ({b = {a = c} = {
+  a: 0x1234
+}}) => 1)({})}, c) => a;
+
+testAsync(assert => {
+  assert.plan(1);
+  g({}).catch(e => {
+    assert.equals("ReferenceError", e.name);
+  });
+});