1 files changed, 9 insertions, 5 deletions
diff --git a/tests/ui/traits/enum-negative-send-impl.rs b/tests/ui/traits/enum-negative-send-impl.rs
index bd560649b99..6bff42e9999 100644
--- a/tests/ui/traits/enum-negative-send-impl.rs
+++ b/tests/ui/traits/enum-negative-send-impl.rs
@@ -1,3 +1,7 @@
+//! Test that enums inherit Send/!Send properties from their variants.
+//!
+//! Uses the unstable `negative_impls` feature to explicitly opt-out of Send.
+
 #![feature(negative_impls)]
 
 use std::marker::Send;
@@ -5,14 +9,14 @@ use std::marker::Send;
 struct NoSend;
 impl !Send for NoSend {}
 
-enum Foo {
-    A(NoSend)
+enum Container {
+    WithNoSend(NoSend),
 }
 
-fn bar<T: Send>(_: T) {}
+fn requires_send<T: Send>(_: T) {}
 
 fn main() {
-    let x = Foo::A(NoSend);
-    bar(x);
+    let container = Container::WithNoSend(NoSend);
+    requires_send(container);
     //~^ ERROR `NoSend` cannot be sent between threads safely
 }