mirror of
https://github.com/golang/go
synced 2024-11-12 08:10:21 -07:00
aa04caa759
Make sure stack copier doesn't barf on a nil defer. Bug was fixed in https://golang.org/cl/101800043 This change just adds a test. Fixes #8047 LGTM=dvyukov, rsc R=dvyukov, rsc CC=golang-codereviews https://golang.org/cl/108840043
30 lines
531 B
Go
30 lines
531 B
Go
// run
|
|
|
|
// Copyright 2014 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.
|
|
|
|
// Issue 8047. Stack copier shouldn't crash if there
|
|
// is a nil defer.
|
|
|
|
package main
|
|
|
|
func stackit(n int) {
|
|
if n == 0 {
|
|
return
|
|
}
|
|
stackit(n - 1)
|
|
}
|
|
|
|
func main() {
|
|
defer func() {
|
|
// catch & ignore panic from nil defer below
|
|
err := recover()
|
|
if err == nil {
|
|
panic("defer of nil func didn't panic")
|
|
}
|
|
}()
|
|
defer ((func())(nil))()
|
|
stackit(1000)
|
|
}
|