INFO:2025-04-18T18:56:30Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   7c51e426159a..4091f4dd96d1  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 4091f4dd96d1 Reland [flang] Generalized simplification of HLFIR reduction ops. (#136071) (#136246)
INFO:2025-04-18T18:56:32Z:root:syncing...
Deleted branch merge (was 7c51e426159a).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2025-04-18T18:56:33Z:root:building
ninja: Entering directory `out/gn'
ninja: error: '../../libcxx/include/module.modulemap', needed by 'include/c++/v1/module.modulemap', missing and no known rule to make it
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.