[clang] [Clang] Reject declaring an alias template with the same name as its template parameter. (PR #123533)

[Younan Zhang via cfe-commits]

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@@ -191,4 +192,4 @@ int g = sfinae_me<int>(); // expected-error{{no matching function for call to 's
 
 namespace NullExceptionDecl {
 template<int... I> auto get = []() { try { } catch(...) {}; return I; }; // expected-error{{initializer contains unexpanded parameter pack 'I'}}
-}
+}
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zyn0217 wrote:

Please keep a blank line at the EOF

https://github.com/llvm/llvm-project/pull/123533