Fix for combinator regression.

Propagate Error in repN. I have no time for a test case, I will gladly
take a contribution. References SI-1100, Closes SI-5108, No review.

git-svn-id: http://lampsvn.epfl.ch/svn-repos/scala/scala/trunk@25881 5e8d7ff9-d8ef-0310-90f0-a4852d11357a

src/library/scala/util/parsing/combinator/Parsers.scala

@@ -645,6 +645,7 @@ trait Parsers {
       val p0 = p    // avoid repeatedly re-evaluating by-name parser
       @tailrec def applyp(in0: Input): ParseResult[List[T]] = p0(in0) match {
         case Success(x, rest) => elems += x ; applyp(rest)
+        case e @ Error(_, _)  => e  // still have to propagate error
         case _                => Success(elems.toList, in0)
       }