[llvm-branch-commits] [clang] Backport: [clang] fix matching of nested template template parameters (PR #130950)

[Mike Lothian via llvm-branch-commits]

FireBurn wrote:

The template issue I'm seeing bisected to:

```
28ad8978ee2054298d4198bf10c8cb68730af037 is the first bad commit
commit 28ad8978ee2054298d4198bf10c8cb68730af037
Author: Matheus Izvekov <mizvekov at gmail.com>
Date:   Thu Jan 23 20:37:33 2025 -0300

    Reland: [clang] unified CWG2398 and P0522 changes; finishes implementation of P3310 (#124137)
```

Were you able to reproduce the issue locally?

https://github.com/llvm/llvm-project/pull/130950