diff options
| -rw-r--r-- | compiler/rustc_resolve/src/macros.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs index 5bb6ec3e7ce..a7cbc816b83 100644 --- a/compiler/rustc_resolve/src/macros.rs +++ b/compiler/rustc_resolve/src/macros.rs @@ -1125,7 +1125,10 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { edition, ); - if find_attr!(attrs.iter(), AttributeKind::RustcMacroEdition2021 {}) { + // The #[rustc_macro_edition_2021] attribute is used by the pin!() macro + // as a temporary workaround for a regression in expressiveness in Rust 2024. + // See https://github.com/rust-lang/rust/issues/138718. + if find_attr!(attrs.iter(), AttributeKind::RustcMacroEdition2021) { ext.edition = Edition::Edition2021; } |