1 files changed, 27 insertions, 0 deletions
diff --git a/src/cmd/oldlink/internal/ld/testdata/issue10978/main.go b/src/cmd/oldlink/internal/ld/testdata/issue10978/main.go
new file mode 100644
index 0000000000..5e8c09749f
--- /dev/null
+++ b/src/cmd/oldlink/internal/ld/testdata/issue10978/main.go
@@ -0,0 +1,27 @@
+// Copyright 2018 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.
+
+package main
+
+func undefined()
+
+func defined1() int {
+	// To check multiple errors for a single symbol,
+	// reference undefined more than once.
+	undefined()
+	undefined()
+	return 0
+}
+
+func defined2() {
+	undefined()
+	undefined()
+}
+
+func init() {
+	_ = defined1()
+	defined2()
+}
+
+// The "main" function remains undeclared.