[clang] [Clang] Add [[clang::no_specializations]] (PR #101469)

[Erich Keane via cfe-commits]

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@@ -7197,10 +7206,10 @@ alternatives, though the attribute can be used even when the fix can't be automa
   and then use the attribute on the original ``baz()`` to help the users
   update their code to use the new function.
 
-* Attribute attached to fields: The attribute should only be attached to 
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erichkeane wrote:

Same comments on trailing WS here :/

https://github.com/llvm/llvm-project/pull/101469