Remove #[rustc_macro_edition_2021].

It was only temporarily used by pin!(), which no longer needs it.
2025-04-16 23:35:33 +02:00
parent 49e5e4e3a5
commit 5f4d676e70
7 changed files with 1 additions and 40 deletions
--- a/compiler/rustc_feature/src/builtin_attrs.rs
+++ b/compiler/rustc_feature/src/builtin_attrs.rs
@@ -676,14 +676,6 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
        "`rustc_never_type_options` is used to experiment with never type fallback and work on \
         never type stabilization, and will never be stable"
    ),
-    rustc_attr!(
-        rustc_macro_edition_2021,
-        Normal,
-        template!(Word),
-        ErrorFollowing,
-        EncodeCrossCrate::No,
-        "makes spans in this macro edition 2021"
-    ),

    // ==========================================================================
    // Internal attributes: Runtime related: