Avoid lowering a `MacArgs::Eq` twice.

Fixes #96847.

1 files changed, 1 insertions, 3 deletions

diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs
index fb6715ff17e..3218951c715 100644
--- a/compiler/rustc_ast_lowering/src/expr.rs
+++ b/compiler/rustc_ast_lowering/src/expr.rs
@@ -1534,15 +1534,13 @@ impl<'hir> LoweringContext<'_, 'hir> {
             hir::MatchSource::ForLoopDesugar,
         ));
 
-        let attrs: Vec<_> = e.attrs.iter().map(|a| self.lower_attr(a)).collect();
-
         // This is effectively `{ let _result = ...; _result }`.
         // The construct was introduced in #21984 and is necessary to make sure that
         // temporaries in the `head` expression are dropped and do not leak to the
         // surrounding scope of the `match` since the `match` is not a terminating scope.
         //
         // Also, add the attributes to the outer returned expr node.
-        self.expr_drop_temps_mut(for_span, match_expr, attrs.into())
+        self.expr_drop_temps_mut(for_span, match_expr, e.attrs.clone())
     }
 
     /// Desugar `ExprKind::Try` from: `<expr>?` into: