Subversion Repositories openrisc

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

// Copyright 2011 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 main() {

        c := make(chan int, 1)

        dummy := make(chan int)

        v := 0x12345678

        for i := 0; i < 10; i++ {

                // 6g had a bug that caused select to pass &t to

                // selectrecv before allocating the memory for t,

                // which caused non-deterministic crashes.

                // This test looks for the bug by checking that the

                // value received actually ends up in t.

                // If the allocation happens after storing through

                // whatever garbage &t holds, the later reference

                // to t in the case body will use the new pointer and

                // not see the received value.

                v += 0x1020304

                c <- v

                select {

                case t := <-c:

                        go func() {

                                f(t)

                        }()

                        escape(&t)

                        if t != v {

                                println(i, v, t)

                                panic("wrong values")

                        }

                case dummy <- 1:

                }

        }

}

func escape(*int) {

}

func f(int) {

}