From 3efd9f5d0c39c427025c7f388c7793017d2eea18 Mon Sep 17 00:00:00 2001
From: mejrs <59372212+mejrs@users.noreply.github.com>
Date: Mon, 14 Apr 2025 01:38:18 +0200
Subject: [PATCH] Switch to `diagnostic::on_unimplemented`

---
 compiler/rustc_data_structures/src/marker.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/compiler/rustc_data_structures/src/marker.rs b/compiler/rustc_data_structures/src/marker.rs
index 744ae9b6fe2..5f07cfef133 100644
--- a/compiler/rustc_data_structures/src/marker.rs
+++ b/compiler/rustc_data_structures/src/marker.rs
@@ -1,13 +1,13 @@
 use std::alloc::Allocator;
 
-#[rustc_on_unimplemented(message = "`{Self}` doesn't implement `DynSend`. \
+#[diagnostic::on_unimplemented(message = "`{Self}` doesn't implement `DynSend`. \
             Add it to `rustc_data_structures::marker` or use `IntoDynSyncSend` if it's already `Send`")]
 // This is an auto trait for types which can be sent across threads if `sync::is_dyn_thread_safe()`
 // is true. These types can be wrapped in a `FromDyn` to get a `Send` type. Wrapping a
 // `Send` type in `IntoDynSyncSend` will create a `DynSend` type.
 pub unsafe auto trait DynSend {}
 
-#[rustc_on_unimplemented(message = "`{Self}` doesn't implement `DynSync`. \
+#[diagnostic::on_unimplemented(message = "`{Self}` doesn't implement `DynSync`. \
             Add it to `rustc_data_structures::marker` or use `IntoDynSyncSend` if it's already `Sync`")]
 // This is an auto trait for types which can be shared across threads if `sync::is_dyn_thread_safe()`
 // is true. These types can be wrapped in a `FromDyn` to get a `Sync` type. Wrapping a