golang issue20335 代码
文件路径：/test/fixedbugs/issue20335.go
/ compile
/ 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.
/ Issue 20335: don't reorder loads with stores.
/ This test should fail on the ssacheck builder
/ without the fix in the CL that added this file.
/ TODO: check the generated assembly?
package a
import "sync/atomic"
func f(p, q *int32) bool {
x := *q
return atomic.AddInt32(p, 1) == x
}