INFO:2026-05-28T16:55:55Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   f505ceabdd23..b76d08a8fc46  main       -> origin/main
Switched to branch 'main'
Your branch is behind 'origin/main' by 1 commit, and can be fast-forwarded.
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HEAD is now at b76d08a8fc46 [RISCV] Factor out common scheduling model part between SiFive P400 and P500. NFCI (#199796)
INFO:2026-05-28T16:55:58Z:root:syncing...
Deleted branch merge (was f505ceabdd23).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
[gn build] Port 174eb79572b3 -- https://github.com/llvm/llvm-project/commit/174eb79572b3
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 187, in <module>
    main()
    ~~~~^^
  File "/usr/local/google/home/thakis/src/llvm-project/llvm/utils/gn/build/sync_source_lists_from_cmake.py", line 180, 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 139, 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.