summaryrefslogtreecommitdiffstats
path: root/tests/ui/traits/trait-upcasting/migrate-lint-deny.rs
diff options
context:
space:
mode:
Diffstat (limited to 'tests/ui/traits/trait-upcasting/migrate-lint-deny.rs')
-rw-r--r--tests/ui/traits/trait-upcasting/migrate-lint-deny.rs8
1 files changed, 3 insertions, 5 deletions
diff --git a/tests/ui/traits/trait-upcasting/migrate-lint-deny.rs b/tests/ui/traits/trait-upcasting/migrate-lint-deny.rs
index d62418756..926b3649e 100644
--- a/tests/ui/traits/trait-upcasting/migrate-lint-deny.rs
+++ b/tests/ui/traits/trait-upcasting/migrate-lint-deny.rs
@@ -1,16 +1,14 @@
#![deny(deref_into_dyn_supertrait)]
-extern crate core;
-
-use core::ops::Deref;
+use std::ops::Deref;
// issue 89190
trait A {}
trait B: A {}
impl<'a> Deref for dyn 'a + B {
- //~^ ERROR `(dyn B + 'a)` implements `Deref` with supertrait `A` as target
- //~| WARN this was previously accepted by the compiler but is being phased out;
+ //~^ ERROR this `Deref` implementation is covered by an implicit supertrait coercion
+ //~| WARN this will change its meaning in a future release!
type Target = dyn A;
fn deref(&self) -> &Self::Target {