[clang-tools-extra] [clang-tidy] Address false positives in misc-redundant-expression checker (PR #121960)

[via cfe-commits]

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@@ -747,6 +747,31 @@ static bool areSidesBinaryConstExpressions(const BinaryOperator *&BinOp, const A
   return false;
 }
 
+static bool
+areSidesBinaryConstExpressionsOrDefines(const BinaryOperator *&BinOp,
+                                        const ASTContext *AstCtx) {
+  if (areSidesBinaryConstExpressions(BinOp, AstCtx))
+    return true;
+
+  const auto *Lhs = BinOp->getLHS();
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EugeneZelenko wrote:

Please do no use `auto` when type is not spelled explicitly in same statement or iterator. Same below.

https://github.com/llvm/llvm-project/pull/121960