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#652 — Test 11.4.1-4.a-8-s might be invalid

I see the test case fail on Firefox, but the following seems to work:

'use strict';

var desc = Object.getOwnPropertyDescriptor(global, 'NaN');
console.log('NaN desc', desc); // reports non-configurable
delete global.NaN;
catch(e){ // properly throws an exception
console.log('caught', e)


So it's unclear whether the problem comes from the test case or Firefox.

Regardless, the test case does "delete fnGlobalObject().NaN;"