Add test

Author: lnicola

crates/hir_ty/src/diagnostics.rs

@@ -681,6 +681,30 @@ fn baz(s: S) -> i32 {
         )
     }
 
+    #[test]
+    fn missing_record_pat_field_box() {
+        check_diagnostics(
+            r"
+struct S { s: Box<u32> }
+fn x(a: S) {
+    let S { box s } = a;
+}
+",
+        )
+    }
+
+    #[test]
+    fn missing_record_pat_field_ref() {
+        check_diagnostics(
+            r"
+struct S { s: u32 }
+fn x(a: S) {
+    let S { ref s } = a;
+}
+",
+        )
+    }
+
     #[test]
     fn break_outside_of_loop() {
         check_diagnostics(