   var validLengthCounts = [ 0, 0, 0, 0, 0 ]
   var maximalSubpartCounts = [ 0, 0, 0, 0, 0 ]
   func countValidSequences(
-    head head: CountableClosedRange<UInt32>, tail: CountableClosedRange<UInt32>
+    head: CountableClosedRange<UInt32>, tail: CountableClosedRange<UInt32>
   ) {
     for cu0 in head {
       for rest in tail {

// RUN: %target-run-simple-swift
// REQUIRES: executable_test

// FIXME: rdar://problem/19648117 Needs splitting objc parts out
// XFAIL: linux

import SwiftPrivate
import StdlibUnittest
import StdlibCollectionUnittest


import Foundation

var UTF16APIs = TestSuite("UTF16APIs")


  expectEqual(input, transcoded)
}

#if _runtime(_ObjC)
import Foundation

// The most simple subclass of NSString that CoreFoundation does not know
// about.
class NonContiguousNSString : NSString {
