Disallow impl autotrait for trait object

2023-01-18 22:43:05 -08:00
parent a94b9fd0ac
commit 9e1c600f74
6 changed files with 269 additions and 70 deletions
--- a/compiler/rustc_data_structures/src/sync.rs
+++ b/compiler/rustc_data_structures/src/sync.rs
@@ -31,8 +31,8 @@ cfg_if! {
        pub auto trait Send {}
        pub auto trait Sync {}

-        impl<T: ?Sized> Send for T {}
-        impl<T: ?Sized> Sync for T {}
+        impl<T> Send for T {}
+        impl<T> Sync for T {}

        #[macro_export]
        macro_rules! rustc_erase_owner {