INFO:2024-04-17T18:56:01Z:root:pulling...
From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   800f1050e190..6f7976c883da  main       -> origin/main
Switched to branch 'main'
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HEAD is now at 6f7976c883da [libc++][TZDB] Adds sys_info formatter. (#85896)
INFO:2024-04-17T18:56:03Z:root:syncing...
Deleted branch merge (was 3ebf16066861).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
[merge 07cfba9269d6] [gn build] Port d423d80e560d
 1 file changed, 5 insertions(+), 6 deletions(-)
[gn build] Port d423d80e560d -- https://github.com/llvm/llvm-project/commit/d423d80e560d
INFO:2024-04-17T18:56:04Z:root:building
ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/386] STAMP obj/llvm/unittests/Target/AMDGPU/AMDGPUTests.inputdeps.stamp
[2/386] AR lib/libLLVMExegesisAArch64.a
[3/386] AR lib/libLLVMBOLTTargetAArch64.a
[4/386] AR lib/libLLVMBOLTRewrite.a
[5/386] LINK obj/llvm/unittests/Target/AArch64/AArch64Tests
[6/386] LINK ./bin/lli
[7/386] AR lib/libLLVMExegesis.a
[8/386] ACTION //llvm/lib/Target/NVPTX/MCTargetDesc:NVPTXGenRegisterInfo(//llvm/utils/gn/build/toolchain:unix)
[9/385] LINK obj/llvm/unittests/tools/llvm-exegesis/LLVMExegesisTests
[10/385] ACTION //llvm/lib/Target/NVPTX/MCTargetDesc:NVPTXGenSubtargetInfo(//llvm/utils/gn/build/toolchain:unix)
[11/384] ACTION //llvm/lib/Target/NVPTX/MCTargetDesc:NVPTXGenAsmWriter(//llvm/utils/gn/build/toolchain:unix)
[12/384] LINK obj/llvm/unittests/tools/llvm-exegesis/AArch64/LLVMExegesisAArch64Tests
[13/384] STAMP obj/llvm/lib/Target/NVPTX/MCTargetDesc/NVPTXGenAsmWriter.stamp
[14/384] LINK obj/llvm/unittests/tools/llvm-exegesis/Mips/LLVMExegesisMipsTests
[15/384] LINK obj/llvm/unittests/tools/llvm-exegesis/PowerPC/LLVMExegesisPowerPCTests
[16/384] LINK obj/llvm/unittests/ExecutionEngine/MCJIT/MCJITTests
[17/384] 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'
[18/384] AR lib/libLLVMAMDGPUCodeGen.a
[19/384] LINK obj/llvm/unittests/tools/llvm-exegesis/X86/LLVMExegesisX86Tests
[20/384] LINK obj/llvm/unittests/ExecutionEngine/Orc/OrcJITTests
[21/384] ACTION //llvm/lib/Target/NVPTX/MCTargetDesc:NVPTXGenInstrInfo(//llvm/utils/gn/build/toolchain:unix)
[22/359] ACTION //llvm/lib/Target/NVPTX:NVPTXGenDAGISel(//llvm/utils/gn/build/toolchain:unix)
[23/356] CXX obj/llvm/unittests/Target/AMDGPU/AMDGPUTests.DwarfRegMappings.o
[24/356] CXX obj/llvm/unittests/Target/AMDGPU/AMDGPUTests.ExecMayBeModifiedBeforeAnyUse.o
[25/356] CXX obj/llvm/unittests/Target/AMDGPU/AMDGPUTests.AMDGPUUnitTests.o
[26/356] CXX obj/lld/wasm/wasm.Symbols.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.