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Matthias Krüger
5430082e39
Fix invalid macro tag generation for keywords which can be followed by values Fixes https://github.com/rust-lang/rust/issues/148617. The problem didn't come from the `generate-macro-expansion` feature but was actually uncovered thanks to it. Keywords like `if` or `return`, when followed by a `!` were considered as macros, which was wrong and let to invalid class stack and to the panic. ~~While working on it, I realized that `_` was considered as a keyword, so I fixed that as well in the second commit.~~ (reverted, see https://github.com/rust-lang/rust/pull/148655#issuecomment-3508220823, https://github.com/rust-lang/rust/pull/148655#issuecomment-3508262637) r? `@yotamofek`