1 files changed, 11 insertions, 1 deletions
diff --git a/libgo/go/path/filepath/path_unix.go b/libgo/go/path/filepath/path_unix.go
index 4e7d0d1b422..d241d78fa78 100644
--- a/libgo/go/path/filepath/path_unix.go
+++ b/libgo/go/path/filepath/path_unix.go
@@ -8,7 +8,7 @@ package filepath
 
 import "strings"
 
-// IsAbs returns true if the path is absolute.
+// IsAbs reports whether the path is absolute.
 func IsAbs(path string) bool {
 	return strings.HasPrefix(path, "/")
 }
@@ -34,3 +34,13 @@ 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_plan9.go too.
+	for i, e := range elem {
+		if e != "" {
+			return Clean(strings.Join(elem[i:], string(Separator)))
+		}
+	}
+	return ""
+}