diff --git a/test/TableGen/strconcat.td b/test/TableGen/strconcat.td
new file mode 100644
index 00000000000..cdf3928f04d
--- /dev/null
+++ b/test/TableGen/strconcat.td
@@ -0,0 +1,7 @@
+// RUN: tblgen %s | grep fufoo
+
+class Y<string S> {
+  string T = !strconcat(S, "foo");
+}
+
+def Z : Y<"fu">;