mirror of
https://github.com/golang/go
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38 lines
703 B
Go
38 lines
703 B
Go
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// run
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// Copyright 2023 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// The gofrontend used to mishandle this code due to a pass ordering issue.
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// It was inconsistent as to whether unsafe.Sizeof(byte(0)) was a constant,
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// and therefore as to whether it was a direct-iface type.
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package main
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import "unsafe"
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type A [unsafe.Sizeof(byte(0))]*byte
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func (r A) V() byte {
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return *r[0]
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}
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func F() byte {
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panic("F") // should never be called
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}
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type B [unsafe.Sizeof(F())]*byte
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func (r B) V() byte {
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return *r[0]
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}
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func main() {
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b := byte(1)
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v := A{&b}.V() + B{&b}.V()
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if v != 2 {
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panic(v)
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}
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}
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