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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>
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test/fixedbugs/issue47771.go
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test/fixedbugs/issue47771.go
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// run
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// Copyright 2021 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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// gofrontend miscompiled some cases of append(s, make(typ, ln)...).
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package main
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var g int
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func main() {
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a := []*int{&g, &g, &g, &g}
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a = append(a[:0], make([]*int, len(a) - 1)...)
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if len(a) != 3 || a[0] != nil || a[1] != nil || a[2] != nil {
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panic(a)
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}
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}
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