[clang-tools-extra] [clang-tidy] Fix nested macro false positives in misc-redundant-expression (PR #209385)

[Zeyi Xu via cfe-commits]

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@@ -404,6 +404,76 @@ static bool hasSameOperatorParent(const Expr *TheExpr,
   return false;
 }
 
+static bool isSameRawIdentifierToken(const Token &T1, const Token &T2,
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zeyi2 wrote:

This is just copy and paste to avoid forward declarations.

https://github.com/llvm/llvm-project/pull/209385