[PATCH] D75602: [clangd] Cancel certain operations if the file changes before we start.

[Nico Weber via Phabricator via cfe-commits]

thakis added a comment.

This broke building on my bots:

http://45.33.8.238/linux/11862/step_4.txt

`ld.lld: error: undefined symbol: clang::clangd::TUScheduler::InvalidatedError::ID`

Looks like that is indeed declared in this change, but it doesn't have a definition.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D75602/new/

https://reviews.llvm.org/D75602