1 files changed, 3 insertions, 4 deletions
diff --git a/src/test/compile-fail/issue-10291.rs b/src/test/compile-fail/issue-10291.rs
index 45f6e55914a..9711d760ae6 100644
--- a/src/test/compile-fail/issue-10291.rs
+++ b/src/test/compile-fail/issue-10291.rs
@@ -8,13 +8,12 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(box_syntax)]
-
 fn test<'x>(x: &'x isize) {
-    drop::<Box<for<'z> FnMut(&'z isize) -> &'z isize>>(box |z| {
+    // FIXME (#22405): Replace `Box::new` with `box` here when/if possible.
+    drop::<Box<for<'z> FnMut(&'z isize) -> &'z isize>>(Box::new(|z| {
         x
         //~^ ERROR cannot infer an appropriate lifetime
-    });
+    }));
 }
 
 fn main() {}