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
|
// run
// Copyright 2017 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
//go:noinline
func f(x int) {
}
//go:noinline
func val() int8 {
return -1
}
var (
array = [257]int{}
slice = array[1:]
)
func init() {
for i := range array {
array[i] = i - 1
}
}
func main() {
x := val()
y := int(uint8(x))
f(y) // try and force y to be calculated and spilled
if slice[y] != 255 {
panic("incorrect value")
}
}
|
