[clang] [Clang][Sema] Rebuild template parameters for out-of-line template definitions and partial specializations (PR #104030)

[Matheus Izvekov via cfe-commits]

https://github.com/mizvekov approved this pull request.

LGTM

As a note, it's helpful to pre-commit on an NFC patch all these test cases, and then on the main PR we can see just which test cases changed behavior.

Which I see here are the three test cases at lines 76-78, 84-86, and 96-98.



https://github.com/llvm/llvm-project/pull/104030