mirror of
https://github.com/golang/go
synced 2024-11-15 02:50:31 -07:00
2968f5623c
I will shortly be sending CLs to let the gofrontend code pass these tests. Change-Id: I53ccbdac3ac224a4fdc9577270f48136ca73a62c Reviewed-on: https://go-review.googlesource.com/c/go/+/536537 Reviewed-by: Cherry Mui <cherryyz@google.com> Auto-Submit: Ian Lance Taylor <iant@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Ian Lance Taylor <iant@google.com>
38 lines
703 B
Go
38 lines
703 B
Go
// run
|
|
|
|
// Copyright 2023 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.
|
|
|
|
// The gofrontend used to mishandle this code due to a pass ordering issue.
|
|
// It was inconsistent as to whether unsafe.Sizeof(byte(0)) was a constant,
|
|
// and therefore as to whether it was a direct-iface type.
|
|
|
|
package main
|
|
|
|
import "unsafe"
|
|
|
|
type A [unsafe.Sizeof(byte(0))]*byte
|
|
|
|
func (r A) V() byte {
|
|
return *r[0]
|
|
}
|
|
|
|
func F() byte {
|
|
panic("F") // should never be called
|
|
}
|
|
|
|
type B [unsafe.Sizeof(F())]*byte
|
|
|
|
func (r B) V() byte {
|
|
return *r[0]
|
|
}
|
|
|
|
func main() {
|
|
b := byte(1)
|
|
v := A{&b}.V() + B{&b}.V()
|
|
if v != 2 {
|
|
panic(v)
|
|
}
|
|
}
|