1// Copyright 2015 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package main
6
7import (
8	"./p"
9	"fmt"
10)
11
12type I interface {
13	Add(out *P)
14}
15
16type P struct {
17	V *int32
18}
19
20type T struct{}
21
22var x int32 = 42
23
24func Int32x(i int32) *int32 {
25	return &i
26}
27
28func (T) Add(out *P) {
29	out.V = p.Int32(x) // inlined, p.i.2 moved to heap
30}
31
32var PP P
33var out *P = &PP
34
35func F(s I) interface{} {
36	s.Add(out) // not inlined.
37	return out
38}
39
40var s T
41
42func main() {
43	println("Starting")
44	fmt.Sprint(new(int32))
45	resp := F(s).(*P)
46	println("Before, *resp.V=", *resp.V) // Trashes *resp.V in process of printing.
47	println("After,  *resp.V=", *resp.V)
48	if got, want := *resp.V, int32(42); got != want {
49		fmt.Printf("FAIL, got %v, want %v", got, want)
50	}
51}
52