diff --git a/tests/source/enum.rs b/tests/source/enum.rs
index f3dbae4b84de..64e151106098 100644
--- a/tests/source/enum.rs
+++ b/tests/source/enum.rs
@@ -192,3 +192,7 @@ pub enum QlError {
     // (kind, input, expected)
     #[fail(display = "Could not find {}: Found: {}, expected: {:?}", 0, 1, 2)] ResolveError(&'static str, String, Option<String>),
 }
+
+// #2594
+enum Foo {}
+enum Bar { }
diff --git a/tests/target/enum.rs b/tests/target/enum.rs
index 4b79d0d8c7b6..e429e45287e2 100644
--- a/tests/target/enum.rs
+++ b/tests/target/enum.rs
@@ -258,3 +258,7 @@ pub enum QlError {
     #[fail(display = "Could not find {}: Found: {}, expected: {:?}", 0, 1, 2)]
     ResolveError(&'static str, String, Option<String>),
 }
+
+// #2594
+enum Foo {}
+enum Bar {}