| // run -gcflags="-d=checkptr" |
| |
| // 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 |
| |
| import ( |
| "strings" |
| "unsafe" |
| ) |
| |
| func main() { |
| defer func() { |
| err := recover() |
| if err == nil { |
| panic("expected panic") |
| } |
| if got := err.(error).Error(); !strings.Contains(got, "slice bounds out of range") { |
| panic("expected panic slice out of bound, got " + got) |
| } |
| }() |
| s := make([]int64, 100) |
| p := unsafe.Pointer(&s[0]) |
| n := 1000 |
| |
| _ = (*[10]int64)(p)[:n:n] |
| } |
