[clang-tools-extra] [clangd] Add an early initialization hook to FeatureModule (PR #225198)

[Aleksandr Platonov via cfe-commits]

ArcsinX wrote:

> Oh you got it merged, I wanted to already earlier but I kept getting errors from GitHub (and then it wouldn't even let me comment anymore...).

I start to face similar problems several days ago. Like [here](https://github.com/llvm/llvm-project/pull/228609#issuecomment-5974308830)

And I found that the most reliable way is to set automerge. So, rebase + set automerge while pipeline is running

https://github.com/llvm/llvm-project/pull/225198