llvm-project

8c3daed8 - [clangd] Implement simple folding for preprocessor branches (#140959)

[clangd] Implement simple folding for preprocessor branches (#140959) This pull request builds on https://github.com/llvm/llvm-project/pull/121449 by sr-tream with a unit test and a bug fix. --------- Co-authored-by: Ruihua Dong <dongruihua.drh@alibaba-inc.com>