mirror of
https://github.com/golang/go
synced 2024-11-27 04:01:19 -07:00
30 lines
499 B
Go
30 lines
499 B
Go
|
//run
|
||
|
|
|
||
|
|
// Copyright 2018 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(p *int, v int, q1, q2 *int, r *bool) {
|
||
|
|
x := *r
|
||
|
|
if x {
|
||
|
|
*q1 = 1
|
||
|
|
}
|
||
|
|
*p = *p + v // This must clobber flags. Otherwise we keep x in a flags register.
|
||
|
|
if x {
|
||
|
|
*q2 = 1
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
var p int
|
||
|
|
var q1, q2 int
|
||
|
|
var b bool
|
||
|
|
f(&p, 1, &q1, &q2, &b)
|
||
|
|
if q1 != 0 || q2 != 0 {
|
||
|
|
panic("bad")
|
||
|
|
}
|
||
|
|
}
|