Store optional label in Expr::Block
diff --git a/tests/test_asyncness.rs b/tests/test_asyncness.rs
index 9cb7300..b73537b 100644
--- a/tests/test_asyncness.rs
+++ b/tests/test_asyncness.rs
@@ -59,6 +59,7 @@
         output: ReturnType::Default,
         body: Box::new(Expr::Block(ExprBlock {
             attrs: vec![],
+            label: None,
             block: Block {
                 brace_token: Default::default(),
                 stmts: vec![],