From 6fe3894300c40dfe3c28cb7d86db8f2b3fa301cd Mon Sep 17 00:00:00 2001 From: Russ Cox Date: Wed, 11 Jun 2014 20:42:13 -0400 Subject: [release-branch.go1.3] runtime: add test for issue 8047. ??? CL 108840043 / 3a2306461574 runtime: add test for issue 8047. Make sure stack copier doesn't barf on a nil defer. Bug was fixed in https://codereview.appspot.com/101800043 This change just adds a test. Fixes issue 8047 LGTM=dvyukov, rsc R=dvyukov, rsc CC=golang-codereviews https://codereview.appspot.com/108840043 Committer: Russ Cox ??? TBR=adg CC=golang-codereviews https://codereview.appspot.com/102320043 --- test/fixedbugs/issue8047.go | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 test/fixedbugs/issue8047.go (limited to 'test') diff --git a/test/fixedbugs/issue8047.go b/test/fixedbugs/issue8047.go new file mode 100644 index 000000000..fe7ada5c0 --- /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) +} -- cgit v1.2.1