//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") | |
} | |
} |