go issue52788 源码

  • 2022-07-15
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golang issue52788 代码


// run

// Copyright 2022 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 52788: miscompilation for boolean comparison on ARM64.

package main

import (

func f(next func() bool) {
	for b := next(); b; b = next() {
		fmt.Printf("next() returned %v\n", b)

func main() {
	next := reflect.MakeFunc(reflect.TypeOf((func() bool)(nil)), func(_ []reflect.Value) []reflect.Value {
		return []reflect.Value{reflect.ValueOf(false)}


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