[llvm-branch-commits] [clang-tools-extra] release/20.x: [clang-tidy] Fix broken HeaderFilterRegex when read from config file (#133582) (PR #134215)

[Carlos Galvez via llvm-branch-commits]

carlosgalvezp wrote:

> It's ok as far as it works. Personally if we do not utilize that optional, then probably it should be removed.

It's essentially a revert. I agree that our usage of optional in the Options is not good, we should improve that on a separate patch.

https://github.com/llvm/llvm-project/pull/134215