INFO:2025-11-19T16:56:21Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   a55e30b12cf9..2f6f045ea8d9  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 2f6f045ea8d9 [mlir][LLVM] Resync memory effect attribute with LLVM IR (#168568)
INFO:2025-11-19T16:56:24Z:root:syncing...
Deleted branch merge (was a55e30b12cf9).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
[gn build] Port 5efce7392f3f -- https://github.com/llvm/llvm-project/commit/5efce7392f3f
Traceback (most recent call last):
  File "/usr/local/google/home/thakis/src/llvm-project/llvm/utils/gn/build/sync_source_lists_from_cmake.py", line 186, in <module>
    main()
    ~~~~^^
  File "/usr/local/google/home/thakis/src/llvm-project/llvm/utils/gn/build/sync_source_lists_from_cmake.py", line 179, in main
    src = sync_source_lists(len(sys.argv) > 1 and sys.argv[1] == "--write")
  File "/usr/local/google/home/thakis/src/llvm-project/llvm/utils/gn/build/sync_source_lists_from_cmake.py", line 138, in sync_source_lists
    patch_gn_file(gn_file, add, remove)
    ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/google/home/thakis/src/llvm-project/llvm/utils/gn/build/sync_source_lists_from_cmake.py", line 35, in patch_gn_file
    raise ValueError(gn_file + ": Multiple source lists")
ValueError: llvm/utils/gn/secondary/compiler-rt/lib/builtins/BUILD.gn: Multiple source lists
Command '['/usr/bin/python3', 'llvm/utils/gn/build/sync_source_lists_from_cmake.py', '--write']' returned non-zero exit status 1.