[clang] [Clang] Fix crash when type-name is combined with class specifier in template argument (PR #191689)

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TPPPP72 wrote:

Therefore, the main problem with `VisitTypedefTypeLoc` lies here. https://github.com/llvm/llvm-project/blob/57e35e93b95841521e89d1e102e1cc602060ce43/clang/include/clang/AST/TypeLoc.h#L746-L747 Unless actively bypass the `set` function, state repair must be done externally.

https://github.com/llvm/llvm-project/pull/191689