Adding upstream version 1.21.8.upstream/1.21.8

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 29 insertions, 0 deletions

diff --git a/test/fixedbugs/issue8047.go b/test/fixedbugs/issue8047.go
new file mode 100644
index 0000000..5ac4a0e
--- /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)
+}