New test262 script breaks parser

[jpolitz]

Something in this text in console/harness/testIntl.js:

var numberingSystemDigits = { arab: "٠١٢٣٤٥٦٧٨٩", arabext: "۰۱۲۳۴۵۶۷۸۹", beng: "০১২৩৪৫৬৭৮৯", deva: "०१२३४५६७८९", fullwide: "０１２３４５６７８９", gujr: "૦૧૨૩૪૫૬૭૮૯", guru: "੦੧੨੩੪੫੬੭੮੯", hanidec: "〇一二三四五六七八九", khmr: "០១២៣៤៥៦៧៨៩", knda: "೦೧೨೩೪೫೬೭೮೯", laoo: "໐໑໒໓໔໕໖໗໘໙", latn: "0123456789", mlym: "൦൧൨൩൪൫൬൭൮൯", mong: "᠐᠑᠒᠓᠔᠕᠖᠗᠘᠙", mymr: "၀၁၂၃၄၅၆၇၈၉", orya: "୦୧୨୩୪୫୬୭୮୯", tamldec: "௦௧௨௩௪௫௬௭௮௯", telu: "౦౧౨౩౪౫౬౭౮౯", thai: "๐๑๒๓๔๕๖๗๘๙", tibt: "༠༡༢༣༤༥༦༧༨༩" };

Is breaking our limited Unicode support.