INFO:2025-01-23T20:41:39Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   c4ca87ee78fa..7a831eb924e3  main       -> origin/main
Switched to branch 'main'
Your branch is behind 'origin/main' by 1 commit, and can be fast-forwarded.
  (use "git pull" to update your local branch)
HEAD is now at 7a831eb924e3 [VPlan] Remove unused VPLane::getNumCachedLanes. (NFC)
INFO:2025-01-23T20:42:16Z:root:syncing...
Deleted branch merge (was c4ca87ee78fa).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2025-01-23T20:42:17Z:root:building
ninja: Entering directory `out/gn'
[1/1] Regenerating ninja files
FAILED: build.ninja 
../../llvm/utils/gn/bin/linux-amd64/gn --root=../.. -q --dotfile=../../llvm/utils/gn/.gn gen .
ERROR Unresolved dependencies.
//clang/lib/Basic:Basic(//llvm/utils/gn/build/toolchain:unix)
  needs //clang/include/clang/Basic:AttrParsedAttrList(//llvm/utils/gn/build/toolchain:unix)
//clang/lib/Sema:Sema(//llvm/utils/gn/build/toolchain:unix)
  needs //clang/include/clang/Basic:AttrParsedAttrList(//llvm/utils/gn/build/toolchain:unix)

ninja: error: rebuilding 'build.ninja': subcommand failed
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.