1 files changed, 19 insertions, 1 deletions
diff --git a/src/runtime/testdata/testprog/deadlock.go b/src/runtime/testdata/testprog/deadlock.go
index 7f0a0cd1e0..73fbf6224d 100644
--- a/src/runtime/testdata/testprog/deadlock.go
+++ b/src/runtime/testdata/testprog/deadlock.go
@@ -29,7 +29,7 @@ func init() {
 	register("GoexitInPanic", GoexitInPanic)
 	register("PanicAfterGoexit", PanicAfterGoexit)
 	register("RecoveredPanicAfterGoexit", RecoveredPanicAfterGoexit)
-
+	register("PanicTraceback", PanicTraceback)
 }
 
 func SimpleDeadlock() {
@@ -171,3 +171,21 @@ func RecoveredPanicAfterGoexit() {
 	}()
 	runtime.Goexit()
 }
+
+func PanicTraceback() {
+	pt1()
+}
+
+func pt1() {
+	defer func() {
+		panic("panic pt1")
+	}()
+	pt2()
+}
+
+func pt2() {
+	defer func() {
+		panic("panic pt2")
+	}()
+	panic("hello")
+}