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Inside #123865, we are adding support for the new semantics for expr2024, but we have noted a performance issue. We realized there is a redundant check for each token regarding an edition. This commit moves the edition check to the end, avoiding some extra checks that can slow down compilation time. Link: https://github.com/rust-lang/rust/pull/123865 Co-Developed-by: @eholk Signed-off-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>