symbols_not_as_weakmap_keys.js

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/* Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/licenses/publicdomain/ */

var m = new WeakMap;

var sym = Symbol();

assertThrowsInstanceOf(() => m.set(sym, 0), TypeError);

if (typeof reportCompare === "function")

  reportCompare(0, 0);