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// $G $D/$F.go && $L $F.$A && ./$A.out

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

func g() {}

func f1() (a, b int) {
        a, b = 2, 1
        g() // defeat optimizer
        return a, b
}

func f2() (a, b int) {
        a, b = 1, 2
        g() // defeat optimizer
        return b, a
}

func main() {
        x, y := f1()
        if x != 2 || y != 1 {
                println("f1", x, y)
                panic("fail")
        }

        x, y = f2()
        if x != 2 || y != 1 {
                println("f2", x, y)
                panic("fail")
        }
}