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// run
// Copyright 2024 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() {
shouldPanic("runtime error: index out of range", func() { f(0) })
shouldPanic("runtime error: index out of range", func() { g(0) })
}
func f[T byte](t T) {
const str = "a"
_ = str[unsafe.Sizeof(t)]
}
func g[T byte](t T) {
const str = "a"
_ = str[unsafe.Sizeof(t)+0]
}
func shouldPanic(str string, f func()) {
defer func() {
err := recover()
if err == nil {
panic("did not panic")
}
s := err.(error).Error()
if !strings.Contains(s, str) {
panic("got panic " + s + ", want " + str)
}
}()
f()
}
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