INFO:2025-11-14T23:58:58Z:root:pulling...
From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   e02fdf0fcea3..66d5f6a60550  main       -> origin/main
Switched to branch 'main'
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HEAD is now at 66d5f6a60550 [lldb] fix parallel module loading deadlock for Linux DYLD (#166480)
INFO:2025-11-14T23:59:01Z:root:syncing...
Deleted branch merge (was e02fdf0fcea3).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2025-11-14T23:59:02Z:root:building
ninja: Entering directory `out/gn'
[1/4192] ACTION //libcxx/include:write_config_site(//llvm/utils/gn/build/toolchain:unix)
FAILED: include/c++/v1/__config_site 
python3 ../../llvm/utils/gn/build/write_cmake_config.py -o include/c++/v1/__config_site ../../libcxx/include/__config_site.in _LIBCPP_ABI_FORCE_ITANIUM= _LIBCPP_ABI_FORCE_MICROSOFT= _LIBCPP_ABI_VERSION=1 _LIBCPP_EXTRA_SITE_DEFINES= _LIBCPP_HAS_FILESYSTEM=1 _LIBCPP_HAS_THREADS=1 _LIBCPP_HAS_MONOTONIC_CLOCK=1 _LIBCPP_HAS_MUSL_LIBC= _LIBCPP_HAS_THREAD_API_PTHREAD= _LIBCPP_HAS_THREAD_API_EXTERNAL= _LIBCPP_HAS_THREAD_API_WIN32= _LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS= _LIBCPP_HAS_VENDOR_AVAILABILITY_ANNOTATIONS= _LIBCPP_NO_VCRUNTIME= _LIBCPP_TYPEINFO_COMPARISON_IMPLEMENTATION= _LIBCPP_HAS_RANDOM_DEVICE=1 _LIBCPP_HAS_LOCALIZATION=1 _LIBCPP_HAS_UNICODE=1 _LIBCPP_HAS_WIDE_CHARACTERS=1 _LIBCPP_HAS_TERMINAL=1 _LIBCPP_INSTRUMENTED_WITH_ASAN= _LIBCPP_ABI_DEFINES= _LIBCPP_HARDENING_MODE_DEFAULT=_LIBCPP_HARDENING_MODE_NONE _LIBCPP_PSTL_BACKEND_LIBDISPATCH= _LIBCPP_PSTL_BACKEND_SERIAL= _LIBCPP_PSTL_BACKEND_STD_THREAD=1 _LIBCPP_ABI_NAMESPACE=__1 _LIBCPP_HAS_TIME_ZONE_DATABASE=
Traceback (most recent call last):
  File "/Users/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 122, in <module>
    sys.exit(main())
  File "/Users/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 72, in main
    in_line = var_re.sub(repl, in_line)
  File "/Users/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 70, in repl
    return values[key]
KeyError: '_LIBCPP_ASSERTION_SEMANTIC_DEFAULT'
[2/4192] CXX obj/lldb/source/Interpreter/Interpreter.OptionValueUUID.o
[3/4192] CXX obj/lldb/source/Plugins/ABI/X86/X86.ABIMacOSX_i386.o
[4/4192] CXX obj/lldb/source/Plugins/ABI/X86/X86.ABISysV_i386.o
[5/4192] CXX obj/lldb/source/Interpreter/Interpreter.ScriptInterpreter.o
[6/4192] CXX obj/lldb/source/Plugins/ABI/X86/X86.ABIWindows_x86_64.o
[7/4192] CXX obj/lldb/source/Plugins/ABI/X86/X86.ABISysV_x86_64.o
[8/4192] CXX obj/lldb/source/Plugins/ABI/X86/X86.ABIX86.o
[9/4192] CXX obj/lldb/source/Interpreter/Interpreter.Property.o
[10/4192] CXX obj/lldb/source/Interpreter/Interpreter.Options.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.