gcc/testsuite/go.test/test/fixedbugs/bug196.go

   1 // $G $D/$F.go && $L $F.$A && ./$A.out || echo BUG: bug196
   2
   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.
   6
   7 package main
   8
   9 var m = map[int]int{0: 0, 1: 0}
  10 var nf = 0
  11 var i int
  12
  13 func multi() (int, int) { return 1, 2 }
  14
  15 func xxx() {
  16         var c chan int
  17         x, ok := <-c
  18
  19         var m map[int]int
  20         x, ok = m[1]
  21
  22         var i interface{}
  23         var xx int
  24         xx, ok = i.(int)
  25
  26         a, b := multi()
  27
  28         _, _, _, _, _ = x, ok, xx, a, b
  29 }
  30
  31 func f() map[int]int {
  32         nf++
  33         return m
  34 }
  35
  36 func g() *int {
  37         nf++
  38         return &i
  39 }
  40
  41 func main() {
  42         f()[0]++
  43         f()[1] += 2
  44         *g() %= 2
  45         if nf != 3 {
  46                 println("too many calls:", nf)
  47                 panic("fail")
  48         }
  49
  50 }