[clang-tools-extra] [clang-tidy][NFC] optimize unused using decls performance (PR #110200)

[via cfe-commits]

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@@ -25,6 +25,13 @@ AST_MATCHER_P(DeducedTemplateSpecializationType, refsToTemplatedDecl,
   return false;
 }
 
+AST_MATCHER_P(Type, getTagDecl, clang::ast_matchers::internal::Matcher<TagDecl>,
+              DeclMatcher) {
+  if (const auto *ND = Node.getAsTagDecl())
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EugeneZelenko wrote:

Please do not use `auto` - type is not spelled explicitly.

https://github.com/llvm/llvm-project/pull/110200