1 files changed, 12 insertions, 0 deletions
diff --git a/tests/ui/deriving/deriving-enum-single-variant.rs b/tests/ui/deriving/deriving-enum-single-variant.rs
new file mode 100644
index 00000000000..1c5979c0747
--- /dev/null
+++ b/tests/ui/deriving/deriving-enum-single-variant.rs
@@ -0,0 +1,12 @@
+// run-pass
+// pretty-expanded FIXME #23616
+#![allow(non_camel_case_types)]
+
+pub type task_id = isize;
+
+#[derive(PartialEq)]
+pub enum Task {
+    TaskHandle(task_id)
+}
+
+pub fn main() { }