mirror of
https://github.com/golang/go
synced 2024-07-21 01:55:06 +00:00
90a11e921b
Following CL 405114, the extension rule is also wrong. It is safe to drop the extension if the value is from a boolean-generating instruction, but not a boolean-typed Value in general (e.g. a Phi or a in-register parameter). Fix it. Updates #52788. Change-Id: Icf3028fe8e90806f9f57fbe2b38d47da27a97e2a Reviewed-on: https://go-review.googlesource.com/c/go/+/405115 Reviewed-by: David Chase <drchase@google.com> Run-TryBot: Cherry Mui <cherryyz@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>
30 lines
600 B
Go
30 lines
600 B
Go
// 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 ops on ARM64.
|
|
|
|
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"reflect"
|
|
"os"
|
|
)
|
|
|
|
func f(next func() bool) {
|
|
for b := next(); b; b = next() {
|
|
fmt.Printf("%v\n", b)
|
|
os.Exit(0)
|
|
}
|
|
}
|
|
|
|
func main() {
|
|
next := reflect.MakeFunc(reflect.TypeOf((func() bool)(nil)), func(_ []reflect.Value) []reflect.Value {
|
|
return []reflect.Value{reflect.ValueOf(true)}
|
|
})
|
|
reflect.ValueOf(f).Call([]reflect.Value{next})
|
|
}
|