gcc/testsuite/go.test/test/fixedbugs/bug199.go

   1 // $G $D/$F.go && $L $F.$A && ./$A.out
   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 type S struct {
  10         a []int
  11 }
  12
  13 var s = &S{make([]int, 10)}
  14
  15 func main() {
  16         s.a[f()] = 1 // 6g used to call f twice here
  17 }
  18
  19 var n int
  20
  21 func f() int {
  22         if n++; n > 1 {
  23                 println("f twice")
  24                 panic("fail")
  25         }
  26         return 0
  27 }