(Not part of Communicator build.)

Fix bug 123802 hippo / js1.2 some regular expression tests fail

js/ref/jsscan.c

@@ -316,7 +316,7 @@ GetChar(JSTokenStream *ts)
 			}
 		    }
 		    for (j = 0; i < len; i++, j++)
-			ubuf[i] = (jschar) cbuf[j];
+			ubuf[i] = (jschar) (cbuf[j] & 0xff);
 		    ts->userbuf.limit = ubuf + len;
 		    ts->userbuf.ptr = ubuf;
 		} else