blob: a42ae1e8c9b5270e610865554af7477ac95ab6be (
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
// errorcheck -0 -m -l
// 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.
// Test escape analysis for function parameters.
package foo
var Ssink *string
type U struct {
_sp *string
_spp **string
}
func A(sp *string, spp **string) U { // ERROR "leaking param: sp to result ~r0 level=0$" "leaking param: spp to result ~r0 level=0$"
return U{sp, spp}
}
func B(spp **string) U { // ERROR "leaking param: spp to result ~r0 level=0$"
return U{*spp, spp}
}
func tA1() {
s := "cat"
sp := &s
spp := &sp
u := A(sp, spp)
_ = u
println(s)
}
func tA2() {
s := "cat"
sp := &s
spp := &sp
u := A(sp, spp)
println(*u._sp)
}
func tA3() {
s := "cat"
sp := &s
spp := &sp
u := A(sp, spp)
println(**u._spp)
}
func tB1() {
s := "cat"
sp := &s
spp := &sp
u := B(spp)
_ = u
println(s)
}
func tB2() {
s := "cat"
sp := &s
spp := &sp
u := B(spp)
println(*u._sp)
}
func tB3() {
s := "cat"
sp := &s
spp := &sp
u := B(spp)
println(**u._spp)
}
|
