From 878feaa4ddae6f8a9818625a602da6d89436a31e Mon Sep 17 00:00:00 2001
From: linshuy2 <linshuy2@illinois.edu>
Date: Thu, 9 Apr 2026 15:36:06 +0000
Subject: [PATCH] fix: `unused_async` FP for stubs with args

---
 clippy_lints/src/unused_async.rs |  1 -
 tests/ui/unused_async.rs         | 11 +++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/clippy_lints/src/unused_async.rs b/clippy_lints/src/unused_async.rs
index a4ebd8860dc0..f5e903426d57 100644
--- a/clippy_lints/src/unused_async.rs
+++ b/clippy_lints/src/unused_async.rs
@@ -211,7 +211,6 @@ fn async_fn_contains_todo_unimplemented_macro(cx: &LateContext<'_>, body: &Body<
         && let ClosureKind::Coroutine(CoroutineKind::Desugared(CoroutineDesugaring::Async, _)) = closure.kind
         && let body = cx.tcx.hir_body(closure.body)
         && let ExprKind::Block(block, _) = body.value.kind
-        && block.stmts.is_empty()
         && let Some(expr) = block.expr
         && let ExprKind::DropTemps(inner) = expr.kind
     {
diff --git a/tests/ui/unused_async.rs b/tests/ui/unused_async.rs
index 3f9244ab4970..b6780d240b17 100644
--- a/tests/ui/unused_async.rs
+++ b/tests/ui/unused_async.rs
@@ -134,3 +134,14 @@ async fn unimplemented_task() -> Result<(), String> {
         unimplemented!("Implement task");
     }
 }
+
+mod issue16835 {
+    async fn todo_task(_arg: i32) {
+        todo!()
+    }
+
+    async fn unimplemented_task(_arg: i32) {
+        let a = 1;
+        unimplemented!()
+    }
+}