blob: f32fde84ab334a33aca32e95159f9ebd9ca6ce44 (
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
|
// run
// Copyright 2014 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 8036. Stores necessary for stack scan being eliminated as redundant by optimizer.
package main
import "runtime"
type T struct {
X *int
Y *int
Z *int
}
type TI [3]uintptr
func G() (t TI) {
t[0] = 1
t[1] = 2
t[2] = 3
runtime.GC() // prevent inlining
return
}
func F() (t T) {
t.X = newint()
t.Y = t.X
t.Z = t.Y
runtime.GC() // prevent inlining
return
}
func newint() *int {
runtime.GC()
return nil
}
func main() {
G() // leave non-pointers where F's return values go
F()
}
|