Bug 1478587 - Return the result of CodeUnitValue(), not a CharT, from GeneralTokenStreamChars::getCodeUnit. r=arai

--HG--
extra : rebase_source : 857b231a27e5e6a24c7e1799970248106e705be7

js/src/frontend/TokenStream.h

@@ -1925,7 +1925,7 @@ class GeneralTokenStreamChars
      */
     int32_t getCodeUnit() {
         if (MOZ_LIKELY(!this->sourceUnits.atEnd()))
-            return this->sourceUnits.getCodeUnit();
+            return CodeUnitValue(this->sourceUnits.getCodeUnit());
 
         anyCharsAccess().flags.isEOF = true;
         return EOF;