blob: 33ae54053263f784d7c4d6b341e5a308ec40afbf (
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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
// 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 indirection level computation in escape analysis.
package escape
var sink interface{}
func level0() {
i := 0 // ERROR "moved to heap: i"
p0 := &i // ERROR "moved to heap: p0"
p1 := &p0 // ERROR "moved to heap: p1"
p2 := &p1 // ERROR "moved to heap: p2"
sink = &p2
}
func level1() {
i := 0 // ERROR "moved to heap: i"
p0 := &i // ERROR "moved to heap: p0"
p1 := &p0 // ERROR "moved to heap: p1"
p2 := &p1
sink = p2
}
func level2() {
i := 0 // ERROR "moved to heap: i"
p0 := &i // ERROR "moved to heap: p0"
p1 := &p0
p2 := &p1
sink = *p2
}
func level3() {
i := 0 // ERROR "moved to heap: i"
p0 := &i
p1 := &p0
p2 := &p1
sink = **p2
}
func level4() {
i := 0 // ERROR "moved to heap: i"
p0 := &i // ERROR "moved to heap: p0"
p1 := &p0
p2 := p1 // ERROR "moved to heap: p2"
sink = &p2
}
func level5() {
i := 0 // ERROR "moved to heap: i"
p0 := &i // ERROR "moved to heap: p0"
p1 := &p0
p2 := p1
sink = p2
}
func level6() {
i := 0 // ERROR "moved to heap: i"
p0 := &i
p1 := &p0
p2 := p1
sink = *p2
}
func level7() {
i := 0 // ERROR "moved to heap: i"
p0 := &i
p1 := &p0
// note *p1 == &i
p2 := *p1 // ERROR "moved to heap: p2"
sink = &p2
}
func level8() {
i := 0 // ERROR "moved to heap: i"
p0 := &i
p1 := &p0
p2 := *p1
sink = p2
}
func level9() {
i := 0
p0 := &i
p1 := &p0
p2 := *p1
sink = *p2 // ERROR "\*p2 escapes to heap"
}
func level10() {
i := 0
p0 := &i
p1 := *p0
p2 := &p1
sink = *p2 // ERROR "\*p2 escapes to heap"
}
func level11() {
i := 0
p0 := &i
p1 := &p0
p2 := **p1 // ERROR "moved to heap: p2"
sink = &p2
}
|