diff --git a/libgo/go/cmd/go/testdata/timeoutbench_test.go b/libgo/go/cmd/go/testdata/timeoutbench_test.go
new file mode 100644
index 00000000000..57a88882996
--- /dev/null
+++ b/libgo/go/cmd/go/testdata/timeoutbench_test.go
@@ -0,0 +1,10 @@
+package timeoutbench_test
+
+import (
+	"testing"
+	"time"
+)
+
+func BenchmarkSleep1s(b *testing.B) {
+	time.Sleep(1 * time.Second)
+}