[clang] [clang] Distinguish NTTPs with deduced types in variable template partial specializations (PR #152864)

[Matheus Izvekov via cfe-commits]

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

LGTM, Thanks.

These regressions were never in a released clang right? If that's the case, it's fine not to add anything to the change log.

https://github.com/llvm/llvm-project/pull/152864