deps/v8/test/mjsunit/regress/regress-3859.js


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// Copyright 2015 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.

assertEquals(1, new Set([NaN, NaN, NaN]).size);
assertEquals(42, new Map([[NaN, 42]]).get(NaN));