diff --git a/test/fixedbugs/issue8047.go b/test/fixedbugs/issue8047.go new file mode 100644 index 00000000000..fe7ada5c0be --- /dev/null +++ b/test/fixedbugs/issue8047.go @@ -0,0 +1,29 @@ +// 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) +}