1 files changed, 13 insertions, 0 deletions
diff --git a/libgo/go/cmd/vet/testdata/src/unused/unused.go b/libgo/go/cmd/vet/testdata/src/unused/unused.go
new file mode 100644
index 00000000000..1e83e90d68f
--- /dev/null
+++ b/libgo/go/cmd/vet/testdata/src/unused/unused.go
@@ -0,0 +1,13 @@
+// Copyright 2015 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.
+
+// This file contains tests for the unusedresult checker.
+
+package unused
+
+import "fmt"
+
+func _() {
+	fmt.Errorf("") // ERROR "result of fmt.Errorf call not used"
+}