issue52788a.go

     1  // run
     2  
     3  // Copyright 2022 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  // Issue 52788: miscompilation for boolean ops on ARM64.
     8  
     9  package main
    10  
    11  import (
    12  	"fmt"
    13  	"reflect"
    14  	"os"
    15  )
    16  
    17  func f(next func() bool) {
    18  	for b := next(); b; b = next() {
    19  		fmt.Printf("%v\n", b)
    20  		os.Exit(0)
    21  	}
    22  }
    23  
    24  func main() {
    25  	next := reflect.MakeFunc(reflect.TypeOf((func() bool)(nil)), func(_ []reflect.Value) []reflect.Value {
    26  		return []reflect.Value{reflect.ValueOf(true)}
    27  	})
    28  	reflect.ValueOf(f).Call([]reflect.Value{next})
    29  }
    30
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