INFO:2024-04-17T18:49:27Z:root:pulling...
From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   cc82f1290a1e..5a0942cd7423  main       -> origin/main
Switched to branch 'main'
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HEAD is now at 5a0942cd7423 [llvm][NVPTX] Don't emit unused var 'temp_param_reg' (NFC) (#89004)
INFO:2024-04-17T18:49:30Z:root:syncing...
Deleted branch merge (was fbe04b41a3e9).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
[merge a84d5a04dc80] [gn build] Port d423d80e560d
 1 file changed, 5 insertions(+), 6 deletions(-)
[gn build] Port d423d80e560d -- https://github.com/llvm/llvm-project/commit/d423d80e560d
INFO:2024-04-17T18:49:31Z:root:building
ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/580] STAMP obj/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUGenAsmMatcher.stamp
[2/580] STAMP obj/llvm/lib/Target/AMDGPU/Disassembler/AMDGPUGenDisassemblerTables.stamp
[3/580] STAMP obj/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUGenAsmWriter.stamp
[4/580] STAMP obj/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUGenInstrInfo.stamp
[5/580] STAMP obj/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUGenMCCodeEmitter.stamp
[6/580] 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_EXTRA_SITE_DEFINES= _LIBCPP_HAS_NO_FILESYSTEM= _LIBCPP_HAS_NO_THREADS= _LIBCPP_HAS_NO_MONOTONIC_CLOCK= _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_NO_VENDOR_AVAILABILITY_ANNOTATIONS=1 _LIBCPP_NO_VCRUNTIME= _LIBCPP_TYPEINFO_COMPARISON_IMPLEMENTATION= _LIBCPP_HAS_NO_RANDOM_DEVICE= _LIBCPP_HAS_NO_LOCALIZATION= _LIBCPP_HAS_NO_WIDE_CHARACTERS= _LIBCPP_HAS_NO_STD_MODULES= _LIBCPP_INSTRUMENTED_WITH_ASAN= _LIBCPP_ABI_DEFINES= _LIBCPP_HARDENING_MODE_DEFAULT=_LIBCPP_HARDENING_MODE_NONE _LIBCPP_PSTL_CPU_BACKEND_LIBDISPATCH= _LIBCPP_PSTL_CPU_BACKEND_SERIAL=1 _LIBCPP_PSTL_CPU_BACKEND_THREAD= _LIBCPP_ABI_VERSION= _LIBCPP_ABI_NAMESPACE=__1 _LIBCPP_HAS_NO_TIME_ZONE_DATABASE=1
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 90, in main
    if not values[var]:
KeyError: '_LIBCPP_PSTL_BACKEND_SERIAL'
[7/580] ACTION //lld/MinGW:Options(//llvm/utils/gn/build/toolchain:unix)
[8/577] ACTION //lldb/tools/lldb-dap:Options(//llvm/utils/gn/build/toolchain:unix)
[9/575] ACTION //lld/wasm:Options(//llvm/utils/gn/build/toolchain:unix)
[10/573] ACTION //lldb/tools/driver:Options(//llvm/utils/gn/build/toolchain:unix)
[11/571] ACTION //lldb/tools/lldb-server:LLGSOptions(//llvm/utils/gn/build/toolchain:unix)
[12/568] ACTION //lld/COFF:Options(//llvm/utils/gn/build/toolchain:unix)
[13/553] ACTION //lld/ELF:Options(//llvm/utils/gn/build/toolchain:unix)
[14/549] ACTION //lld/MachO:Options(//llvm/utils/gn/build/toolchain:unix)
[15/548] CXX obj/llvm/lib/Target/AMDGPU/AsmParser/AsmParser.AMDGPUAsmParser.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.