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) {
}