1 // $G $D/$F.go || echo BUG: compilation should succeed
3 // Copyright 2009 The Go Authors. All rights reserved.
4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file.
10 swap(x, y int) (u, v int) {
18 a, b = swap(swap(a, b));