golang issue47771 代码
文件路径：/test/fixedbugs/issue47771.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.
/ gofrontend miscompiled some cases of append(s, make(typ, ln)...).
package main
var g int
func main() {
a := []*int{&g, &g, &g, &g}
a = append(a[:0], make([]*int, len(a) - 1)...)
if len(a) != 3 || a[0] != nil || a[1] != nil || a[2] != nil {
panic(a)
}
}