add misc kinds: Pat, CVarArgs, Typeof, Dummy, Err

Author: ada4a

clippy_utils/src/check_proc_macro.rs

@@ -505,7 +505,17 @@ fn ast_ty_search_pat(ty: &ast::Ty) -> (Pat, Pat) {
 
         // implicit, so has no contents to match against
         TyKind::ImplicitSelf
-        | _ => (Pat::Str(""), Pat::Str("")),
+
+        // experimental
+        |TyKind::Pat(..)
+
+        // unused
+        | TyKind::CVarArgs
+        | TyKind::Typeof(_)
+
+        // placeholder
+        | TyKind::Dummy
+        | TyKind::Err(_) => (Pat::Str(""), Pat::Str("")),
     }
 }