Use edition flag for 2phase test

The compiler now rejects one of the examples with #![feature(nll)]

diff --git a/tests/run-pass/2phase.rs b/tests/run-pass/2phase.rs
index 5ca0ff5d8df86ed68525be7288aab599fd3bb950..9e50829fade831bfe9858ee5a9f91ce934e43732 100644 (file)
--- a/tests/run-pass/2phase.rs
+++ b/tests/run-pass/2phase.rs
@@ -1,4 +1,4 @@
-#![feature(nll)]
+// edition:2018
 
 trait S: Sized {
     fn tpb(&mut self, _s: Self) {}
@@ -54,6 +54,8 @@ impl<T> Thing for Cell<T> {}
 
     let mut x = Cell::new(1);
     let l = &x;
+
+    #[allow(unknown_lints, mutable_borrow_reservation_conflict)]
     x
         .do_the_thing({
             x.set(3);