| // run | |
| // Copyright 2026 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 | |
| import "strings" | |
| type S struct { | |
| a [3]int | |
| } | |
| //go:noinline | |
| func f(i int) { | |
| var x [0]S | |
| x[i].a[1] = 3 | |
| } | |
| func main() { | |
| defer func() { | |
| r := recover() | |
| if r == nil { | |
| panic("no panic (bug)") | |
| } | |
| got := r.(error).Error() | |
| if !strings.Contains(got, "index out of range [3] ") { | |
| panic("unexpected panic: " + got) | |
| } | |
| }() | |
| f(3) | |
| } |