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go/test/fixedbugs/issue47771.go
Ian Lance Taylor d37b8dedf7 test: add test case that gofrontend miscompiled
For #47771

Change-Id: I99dfdd48def756bde68445b50741afd6d86b6cf2
Reviewed-on: https://go-review.googlesource.com/c/go/+/344169
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
2021-08-25 03:12:43 +00:00

20 lines
433 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.
// 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)
}
}