diff --git a/tests/source/enum.rs b/tests/source/enum.rs
index 53630699f1e5..17c26b26d158 100644
--- a/tests/source/enum.rs
+++ b/tests/source/enum.rs
@@ -141,3 +141,8 @@ pub enum Entry<'a, K: 'a, V: 'a> {
 pub enum ForegroundColor {
     CYAN = (winapi::FOREGROUND_INTENSITY | winapi::FOREGROUND_GREEN | winapi::FOREGROUND_BLUE) as u16,
 }
+
+// #2098
+pub enum E<'a> {
+    V ( < std::slice::Iter<'a, Xxxxxxxxxxxxxx> as Iterator> :: Item ) ,
+}
diff --git a/tests/target/enum.rs b/tests/target/enum.rs
index 2440d042d24f..fdfb5ff94f7f 100644
--- a/tests/target/enum.rs
+++ b/tests/target/enum.rs
@@ -179,3 +179,8 @@ pub enum ForegroundColor {
     CYAN =
         (winapi::FOREGROUND_INTENSITY | winapi::FOREGROUND_GREEN | winapi::FOREGROUND_BLUE) as u16,
 }
+
+// #2098
+pub enum E<'a> {
+    V(<std::slice::Iter<'a, Xxxxxxxxxxxxxx> as Iterator>::Item),
+}