1 files changed, 10 insertions, 0 deletions
diff --git a/src/path/filepath/path_plan9.go b/src/path/filepath/path_plan9.go
index ee8912d58e..da5f5fdac7 100644
--- a/src/path/filepath/path_plan9.go
+++ b/src/path/filepath/path_plan9.go
@@ -32,3 +32,13 @@ func splitList(path string) []string {
 func abs(path string) (string, error) {
 	return unixAbs(path)
 }
+
+func join(elem []string) string {
+	// If there's a bug here, fix the logic in ./path_unix.go too.
+	for i, e := range elem {
+		if e != "" {
+			return Clean(strings.Join(elem[i:], string(Separator)))
+		}
+	}
+	return ""
+}