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
|
// run
// Copyright 2012 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.
// Issue 4518. In some circumstances "return F(...)"
// where F has multiple returns is miscompiled by 6g due to
// bold assumptions in componentgen.
package main
func DontInline() {}
func F(e interface{}) (int, int) {
DontInline()
return 3, 7
}
func G() (int, int) {
DontInline()
return 3, 7
}
func bogus1(d interface{}) (int, int) {
switch {
default:
return F(d)
}
return 0, 0
}
func bogus2() (int, int) {
switch {
default:
return F(3)
}
return 0, 0
}
func bogus3(d interface{}) (int, int) {
switch {
default:
return G()
}
return 0, 0
}
func bogus4() (int, int) {
switch {
default:
return G()
}
return 0, 0
}
func check(a, b int) {
if a != 3 || b != 7 {
println(a, b)
panic("a != 3 || b != 7")
}
}
func main() {
check(bogus1(42))
check(bogus2())
}
|
