[clang] [clang] Fix attempt to eval value dependent in perform (PR #229940)

[Aaron Ballman via cfe-commits]

https://github.com/AaronBallman commented:

The changes should also come with a release note in `clang/docs/ReleaseNotes.md` so users know about the fix.

https://github.com/llvm/llvm-project/pull/229940