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// |reftest| skip-if(!xulRuntime.shell) -- needs grayRoot
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
var BUGNUMBER = 1463421;
var summary = 'rogue read barrier';
printBugNumber(BUGNUMBER);
printStatus (summary);
var exc;
try {
var __v_1173 = new WeakMap();
grayRoot().map = __v_1173;
__v_1173 = null;
gczeal(13, 7);
if (!isNaN()) {
}
(function __f_252() {
( {
})()
})();
} catch (e) {
exc = e;
}
if (typeof reportCompare == 'function')
reportCompare("" + exc, "TypeError: ({}) is not a function", "ok");