INFO:2025-06-26T15:41:55Z:root:pulling...
From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   70dce3d987ce..04b60d29ba7f  main       -> origin/main
Auto packing the repository in background for optimum performance.
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Switched to branch 'main'
Your branch is behind 'origin/main' by 4 commits, and can be fast-forwarded.
  (use "git pull" to update your local branch)
HEAD is now at 04b60d29ba7f Disable HWSan for thread_creae_failure.pass.
INFO:2025-06-26T15:42:00Z:root:syncing...
Deleted branch merge (was 8b74747b8384).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
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[merge 7def1941ae2c] [gn build] Port 0a3c5c42a178
 1 file changed, 1 insertion(+)
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[merge fa6d670788e3] [gn build] Port 0faa181434cf
 1 file changed, 2 insertions(+)
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[merge 7128aef113eb] [gn build] Port d7b936b633f3
 1 file changed, 1 insertion(+)
[gn build] Port 0a3c5c42a178 -- https://github.com/llvm/llvm-project/commit/0a3c5c42a178
[gn build] Port 0faa181434cf -- https://github.com/llvm/llvm-project/commit/0faa181434cf
[gn build] Port d7b936b633f3 -- https://github.com/llvm/llvm-project/commit/d7b936b633f3
INFO:2025-06-26T15:42:02Z:root:building
ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
ERROR at //clang/unittests/BUILD.gn:53:13: Assignment had no effect.
  sources = [ "AllClangUnitTests.cpp" ]
            ^-------------------------
You set the variable "sources" here and it was unused before it went
out of scope.
See //clang/test/BUILD.gn:177:5: which caused the file to be included.
    "//clang/unittests",
    ^------------------
FAILED: build.ninja.stamp 
../../llvm/utils/gn/bin/mac-arm64/gn --root=../.. -q --dotfile=../../llvm/utils/gn/.gn --regeneration gen .
ninja: error: rebuilding 'build.ninja': subcommand failed
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.