INFO:2025-06-26T19:42:00Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   a0c5f1992d21..938cdb30f16f  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 938cdb30f16f [flang] Migrate away from std::nullopt (NFC) (#145928)
INFO:2025-06-26T19:42:03Z:root:syncing...
Deleted branch merge (was e8442761df05).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
[merge ed0d0a689e49] [gn build] Port 0a3c5c42a178
 1 file changed, 1 insertion(+)
[merge 8537557e82c3] [gn build] Port 0faa181434cf
 1 file changed, 2 insertions(+)
[merge 72ecf0ed28d0] [gn build] Port 33872f12187b
 1 file changed, 1 insertion(+)
[merge 2e48f4d0b652] [gn build] Port cbf781f0bdf2
 1 file changed, 1 insertion(+), 2 deletions(-)
[merge d5f7085e8e83] [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 33872f12187b -- https://github.com/llvm/llvm-project/commit/33872f12187b
[gn build] Port cbf781f0bdf2 -- https://github.com/llvm/llvm-project/commit/cbf781f0bdf2
[gn build] Port d7b936b633f3 -- https://github.com/llvm/llvm-project/commit/d7b936b633f3
INFO:2025-06-26T19:42:09Z: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/linux-amd64/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.