1 files changed, 14 insertions, 0 deletions
diff --git a/libgo/go/cmd/go/testdata/standalone_parallel_sub_test.go b/libgo/go/cmd/go/testdata/standalone_parallel_sub_test.go
new file mode 100644
index 00000000000..d326de0a5ac
--- /dev/null
+++ b/libgo/go/cmd/go/testdata/standalone_parallel_sub_test.go
@@ -0,0 +1,14 @@
+package standalone_parallel_sub_test
+
+import "testing"
+
+func Test(t *testing.T) {
+	ch := make(chan bool, 1)
+	t.Run("Sub", func(t *testing.T) {
+		t.Parallel()
+		<-ch
+		t.Run("Nested", func(t *testing.T) {})
+	})
+	// Ensures that Sub will finish after its t.Run call already returned.
+	ch <- true
+}