1 files changed, 6 insertions, 3 deletions
diff --git a/tests/mir-opt/box_expr.rs b/tests/mir-opt/box_expr.rs
index a214504f6..ad3670b5d 100644
--- a/tests/mir-opt/box_expr.rs
+++ b/tests/mir-opt/box_expr.rs
@@ -1,17 +1,20 @@
 // ignore-wasm32-bare compiled with panic=abort by default
 
-#![feature(box_syntax)]
+#![feature(rustc_attrs, stmt_expr_attributes)]
 
 // EMIT_MIR box_expr.main.ElaborateDrops.before.mir
 fn main() {
-    let x = box S::new();
+    let x = #[rustc_box]
+    Box::new(S::new());
     drop(x);
 }
 
 struct S;
 
 impl S {
-    fn new() -> Self { S }
+    fn new() -> Self {
+        S
+    }
 }
 
 impl Drop for S {