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   c186db874b90..03174c2b1462  main       -> origin/main
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HEAD is now at 03174c2b1462 [mlir][CFGToSCF] Fix crash when encountering unknown control flow ops (#184103)
INFO:2026-03-05T14:12:14Z:root:syncing...
Deleted branch merge (was f84ab56eaacc).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
[merge a021948a63d1] [gn build] Port b80248a0ea35
 1 file changed, 1 insertion(+)
[gn build] Port b80248a0ea35 -- https://github.com/llvm/llvm-project/commit/b80248a0ea35
INFO:2026-03-05T14:12:15Z:root:building
ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/329] ACTION //bolt/tools/driver:llvm-boltdiff(//llvm/utils/gn/build/toolchain:unix)
[2/329] ACTION //bolt/tools/driver:perf2bolt(//llvm/utils/gn/build/toolchain:unix)
[3/329] ACTION //llvm/tools/llvm-ml:llvm-ml64(//llvm/utils/gn/build/toolchain:unix)
[4/329] LINK obj/clang/unittests/libclang/CrashTests/libclangCrashTests
[5/329] ACTION //llvm/tools/llvm-objdump:llvm-otool(//llvm/utils/gn/build/toolchain:unix)
[6/329] LINK obj/clang/unittests/libclang/libclangTests
[7/329] ACTION //llvm/utils/llvm-lit:llvm-lit(//llvm/utils/gn/build/toolchain:unix)
FAILED: bin/llvm-lit 
python3 ../../llvm/utils/gn/build/write_cmake_config.py -o bin/llvm-lit ../../llvm/utils/llvm-lit/llvm-lit.in LLVM_SOURCE_DIR=../../../llvm Python3_EXECUTABLE=/usr/bin/env\ python3 BUILD_MODE=. LLVM_LIT_CONFIG_MAP=\#\ Takes\ a\ path\ that\'s\ relative\ to\ __file__\ and\ makes\ it\ absolute.\\ndef\ path\(p\):\\n\ \ \ \ return\ os.path.abspath\(os.path.join\(__file__,\ \'..\',\ p\)\)\ if\ p\ else\ \'\'\\n\\nmap_config\(\\n\ \ \ \ path\(r\'../../../bolt/test/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/bolt/test/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../bolt/test/Unit/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/bolt/test/Unit/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../clang-tools-extra/test/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/clang-tools-extra/test/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../clang-tools-extra/test/Unit/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/clang-tools-extra/test/Unit/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../clang-tools-extra/clangd/test/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/clang-tools-extra/clangd/test/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../clang-tools-extra/clangd/unittests/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/clang-tools-extra/clangd/unittests/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../clang/test/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/clang/test/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../clang/test/Unit/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/clang/test/Unit/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../lld/test/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/lld/test/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../lld/test/Unit/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/lld/test/Unit/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../lldb/test/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/lldb/test/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../lldb/test/API/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/lldb/test/API/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../lldb/test/Shell/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/lldb/test/Shell/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../lldb/test/Unit/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/lldb/test/Unit/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../llvm/test/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/llvm/test/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../llvm/test/Unit/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/llvm/test/Unit/lit.site.cfg.py\'\)\)
Traceback (most recent call last):
  File "/usr/local/google/home/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 122, in <module>
    sys.exit(main())
             ~~~~^^
  File "/usr/local/google/home/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 "/usr/local/google/home/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 70, in repl
    return values[key]
           ~~~~~~^^^^^
KeyError: 'LLVM_WINDOWS_PREFER_FORWARD_SLASH'
[8/329] LINK ./bin/llvm-cxxmap
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[11/329] LINK obj/llvm/unittests/ExecutionEngine/JITLink/JITLinkTests
[12/329] LINK ./bin/llvm-xray
[13/329] LINK obj/llvm/unittests/MC/MCTests
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[15/329] LINK ./bin/llvm-ar
[16/329] LINK ./bin/llvm-rtdyld
[17/329] LINK obj/llvm/unittests/Passes/PassBuilderBindings/PassesBindingsTests
[18/329] LINK ./bin/llvm-exegesis
[19/329] LINK obj/llvm/unittests/Target/AMDGPU/AMDGPUTests
[20/329] LINK ./bin/c-index-test
[21/329] LINK obj/llvm/unittests/MC/AMDGPU/AMDGPUMCTests
[22/329] LINK ./bin/llvm-split
[23/329] LINK obj/clang/unittests/Tooling/Syntax/SyntaxTests
[24/329] LINK ./bin/llvm-ir2vec
[25/329] LINK ./bin/dexp
[26/329] LINK obj/clang/unittests/StaticAnalyzer/StaticAnalysisTests
[27/329] SOLINK ./lib/libLTO.so
[28/329] LINK ./bin/llvm-dwp
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[30/329] LINK ./bin/dsymutil
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[32/329] LINK ./bin/llvm-lto
[33/329] LINK obj/lld/unittests/AsLibELF/LLDAsLibELFTests
[34/329] LINK ./bin/llc
[35/329] LINK ./bin/llvm-dwarfutil
[36/329] LINK obj/llvm/unittests/DebugInfo/LogicalView/DebugInfoLogicalViewTests
[37/329] LINK obj/llvm/unittests/DebugInfo/DWARF/DebugInfoDWARFTests
[38/329] LINK obj/llvm/unittests/CodeGen/GlobalISel/GlobalISelTests
[39/329] LINK ./bin/llvm-gsymutil
[40/329] LINK obj/llvm/unittests/MI/MITests
[41/329] LINK ./bin/llvm-c-test
[42/329] LINK obj/llvm/unittests/CodeGen/CodeGenTests
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[46/329] LINK obj/llvm/unittests/Target/TargetMachineCTests
[47/329] LINK ./bin/opt
[48/329] LINK ./bin/clang-tidy
[49/329] LINK obj/lld/unittests/AsLibAll/LLDAsLibAllTests
[50/329] LINK obj/clang/unittests/Tooling/ToolingTests
[51/329] LINK ./bin/clangd
[52/329] LINK ./bin/lldb-test
[53/329] LINK obj/clang-tools-extra/clangd/unittests/ClangdTests
[54/329] LINK ./bin/clang
[55/329] LINK ./bin/lldb-dap
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.