[clang] [clang-tools-extra] [clang][TypePrinter] Unify printing of anonymous/unnamed tag types (PR #169445)

[Matheus Izvekov via cfe-commits]

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@@ -121,6 +123,7 @@ struct PrintingPolicy {
   /// \endcode
   LLVM_PREFERRED_TYPE(bool)
   unsigned SuppressTagKeyword : 1;
+  unsigned SuppressTagKeywordInAnonymousTagNames : 1;
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mizvekov wrote:

Maybe better to turn this into an 3 valued enum.

Or at least document this separatelly.

https://github.com/llvm/llvm-project/pull/169445