1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/methods/call_method_unknown_referent2.rs b/tests/ui/methods/call_method_unknown_referent2.rs
new file mode 100644
index 00000000000..b1615bd8d44
--- /dev/null
+++ b/tests/ui/methods/call_method_unknown_referent2.rs
@@ -0,0 +1,24 @@
+//@ edition: 2018
+//@ run-pass
+
+#![feature(arbitrary_self_types)]
+
+// tests that the referent type of a reference must be known to call methods on it
+
+struct SmartPtr<T>(T);
+
+impl<T> core::ops::Receiver for SmartPtr<T> {
+    type Target = T;
+}
+
+impl<T> SmartPtr<T> {
+    fn foo(&self) -> usize { 3 }
+}
+
+fn main() {
+    let val = 1_u32;
+    let ptr = SmartPtr(val);
+    // Ensure calls to outer methods work even if inner methods can't be
+    // resolved due to the type variable
+    assert_eq!((ptr as SmartPtr<_>).foo(), 3);
+}