mirror of
https://github.com/golang/go
synced 2024-11-24 05:00:18 -07:00
37 lines
676 B
Go
37 lines
676 B
Go
|
// run
|
||
|
|
|
||
|
|
// Copyright 2021 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.
|
||
|
|
|
||
|
|
package main
|
||
|
|
|
||
|
|
type patchlist struct {
|
||
|
|
head, tail uint32
|
||
|
|
}
|
||
|
|
|
||
|
|
type frag struct {
|
||
|
|
i uint32
|
||
|
|
out patchlist
|
||
|
|
}
|
||
|
|
|
||
|
|
//go:noinline
|
||
|
|
//go:registerparams
|
||
|
|
func patch(l patchlist, i uint32) {
|
||
|
|
}
|
||
|
|
|
||
|
|
//go:noinline
|
||
|
|
//go:registerparams
|
||
|
|
func badbad(f1, f2 frag) frag {
|
||
|
|
// concat of failure is failure
|
||
|
|
if f1.i == 0 || f2.i == 0 { // internal compiler error: 'badbad': incompatible OpArgIntReg [4]: v42 and v26
|
||
|
|
return frag{}
|
||
|
|
}
|
||
|
|
patch(f1.out, f2.i)
|
||
|
|
return frag{f1.i, f2.out}
|
||
|
|
}
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
badbad(frag{i: 2}, frag{i: 3})
|
||
|
|
}
|