blob: 412352d7c5e1f36026ef84600a8a8763653d3cbb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
// Copyright 2015 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
import (
"./p"
"fmt"
)
type I interface {
Add(out *P)
}
type P struct {
V *int32
}
type T struct{}
var x int32 = 42
func Int32x(i int32) *int32 {
return &i
}
func (T) Add(out *P) {
out.V = p.Int32(x) // inlined, p.i.2 moved to heap
}
var PP P
var out *P = &PP
func F(s I) interface{} {
s.Add(out) // not inlined.
return out
}
var s T
func main() {
println("Starting")
fmt.Sprint(new(int32))
resp := F(s).(*P)
println("Before, *resp.V=", *resp.V) // Trashes *resp.V in process of printing.
println("After, *resp.V=", *resp.V)
if got, want := *resp.V, int32(42); got != want {
fmt.Printf("FAIL, got %v, want %v", got, want)
}
}
|
