1 files changed, 32 insertions, 0 deletions
diff --git a/src/test/ui/structs-enums/class-typarams.rs b/src/test/ui/structs-enums/class-typarams.rs
new file mode 100644
index 000000000..4b2d4b12e
--- /dev/null
+++ b/src/test/ui/structs-enums/class-typarams.rs
@@ -0,0 +1,32 @@
+// run-pass
+#![allow(dead_code)]
+#![allow(non_camel_case_types)]
+
+// pretty-expanded FIXME #23616
+
+use std::marker::PhantomData;
+
+struct cat<U> {
+    meows : usize,
+    how_hungry : isize,
+    m: PhantomData<U>
+}
+
+impl<U> cat<U> {
+    pub fn speak(&mut self) { self.meows += 1; }
+    pub fn meow_count(&mut self) -> usize { self.meows }
+}
+
+fn cat<U>(in_x : usize, in_y : isize) -> cat<U> {
+    cat {
+        meows: in_x,
+        how_hungry: in_y,
+        m: PhantomData
+    }
+}
+
+
+pub fn main() {
+  let _nyan : cat<isize> = cat::<isize>(52, 99);
+  //  let mut kitty = cat(1000, 2);
+}