[llvm] Reland [CGData] llvm-cgdata #89884 (PR #101461)

Tue Aug 20 09:26:41 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux` running on `sanitizer-buildbot2` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/66/builds/2956

Here is the relevant piece of the build log for the reference:
```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
[4629/5249] Linking CXX shared module lib/CheckerDependencyHandlingAnalyzerPlugin.so
[4630/5249] Linking CXX executable bin/clang-installapi
[4631/5249] Linking CXX executable bin/clang-refactor
[4632/5249] Linking CXX executable bin/clang-diff
[4633/5249] Linking CXX shared module lib/CheckerOptionHandlingAnalyzerPlugin.so
[4634/5249] Linking CXX executable bin/clang-rename
[4635/5249] Linking CXX shared module lib/SampleAnalyzerPlugin.so
[4636/5249] Linking CXX executable bin/clang-import-test
[4637/5249] Building RISCVGenDAGISel.inc...
[4638/5249] Building CXX object tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o
FAILED: tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /home/b/sanitizer-x86_64-linux/build/llvm_build0/bin/clang++ -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-x86_64-linux/build/build_default/tools/llvm-cgdata -I/home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/tools/llvm-cgdata -I/home/b/sanitizer-x86_64-linux/build/build_default/include -I/home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o -MF tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o.d -o tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o -c /home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/tools/llvm-cgdata/llvm-cgdata.cpp
/home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/tools/llvm-cgdata/llvm-cgdata.cpp:349:3: error: default label in switch which covers all enumeration values [-Werror,-Wcovered-switch-default]
  349 |   default:
      |   ^
1 error generated.
[4639/5249] Building RISCVGenSubtargetInfo.inc...
[4640/5249] Building AMDGPUGenGlobalISel.inc...
[4641/5249] Building AMDGPUGenAsmWriter.inc...
[4642/5249] Building AMDGPUGenDAGISel.inc...
[4643/5249] Building AMDGPUGenAsmMatcher.inc...
[4644/5249] Building AMDGPUGenInstrInfo.inc...
[4645/5249] Building AMDGPUGenRegisterBank.inc...
[4646/5249] Building AMDGPUGenRegisterInfo.inc...
ninja: build stopped: subcommand failed.

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild

@@@STEP_FAILURE@@@
@@@BUILD_STEP test compiler-rt symbolizer@@@
ninja: Entering directory `build_default'
[1/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVAsmPrinter.cpp.o
[2/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVCodeGenPrepare.cpp.o
[3/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVDeadRegisterDefinitions.cpp.o
[4/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVMakeCompressible.cpp.o
[5/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVExpandAtomicPseudoInsts.cpp.o
[6/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVExpandPseudoInsts.cpp.o
[7/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVFrameLowering.cpp.o
[8/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVGatherScatterLowering.cpp.o
[9/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVIndirectBranchTracking.cpp.o
[10/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVInsertVSETVLI.cpp.o
[11/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVInsertReadWriteCSR.cpp.o
[12/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVInsertWriteVXRM.cpp.o
[13/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVInstrInfo.cpp.o
[14/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVISelLowering.cpp.o
[15/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVLandingPadSetup.cpp.o
[16/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVMachineFunctionInfo.cpp.o
[17/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVMergeBaseOffset.cpp.o
[18/382] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVOptWInstrs.cpp.o
Step 8 (build compiler-rt symbolizer) failure: build compiler-rt symbolizer (failure)
...
[4629/5249] Linking CXX shared module lib/CheckerDependencyHandlingAnalyzerPlugin.so
[4630/5249] Linking CXX executable bin/clang-installapi
[4631/5249] Linking CXX executable bin/clang-refactor
[4632/5249] Linking CXX executable bin/clang-diff
[4633/5249] Linking CXX shared module lib/CheckerOptionHandlingAnalyzerPlugin.so
[4634/5249] Linking CXX executable bin/clang-rename
[4635/5249] Linking CXX shared module lib/SampleAnalyzerPlugin.so
[4636/5249] Linking CXX executable bin/clang-import-test
[4637/5249] Building RISCVGenDAGISel.inc...
[4638/5249] Building CXX object tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o
FAILED: tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /home/b/sanitizer-x86_64-linux/build/llvm_build0/bin/clang++ -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-x86_64-linux/build/build_default/tools/llvm-cgdata -I/home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/tools/llvm-cgdata -I/home/b/sanitizer-x86_64-linux/build/build_default/include -I/home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o -MF tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o.d -o tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o -c /home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/tools/llvm-cgdata/llvm-cgdata.cpp
/home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/tools/llvm-cgdata/llvm-cgdata.cpp:349:3: error: default label in switch which covers all enumeration values [-Werror,-Wcovered-switch-default]
  349 |   default:
      |   ^
1 error generated.
[4639/5249] Building RISCVGenSubtargetInfo.inc...
[4640/5249] Building AMDGPUGenGlobalISel.inc...
[4641/5249] Building AMDGPUGenAsmWriter.inc...
[4642/5249] Building AMDGPUGenDAGISel.inc...
[4643/5249] Building AMDGPUGenAsmMatcher.inc...
[4644/5249] Building AMDGPUGenInstrInfo.inc...
[4645/5249] Building AMDGPUGenRegisterBank.inc...
[4646/5249] Building AMDGPUGenRegisterInfo.inc...
ninja: build stopped: subcommand failed.

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild
Step 9 (test compiler-rt symbolizer) failure: test compiler-rt symbolizer (failure)
...
+ nm -f posix -g symbolizer.o
+ sort -u
+ sort -u
+ grep -Ev '^#|^$' /home/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt
+ diff -u expected.new undefined.new
+ grep -E '^\+[^+]'
+ cp -f symbolizer.o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/sanitizer_common/symbolizer/RTSanitizerCommonSymbolizerInternal.i386.o
+ echo 'Success!'
Success!
[2158/2515] Generating Nsan-x86_64-Test
FAILED: compiler-rt/lib/nsan/tests/Nsan-x86_64-Test /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/nsan/tests/Nsan-x86_64-Test 
cd /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/nsan/tests && /home/b/sanitizer-x86_64-linux/build/build_default/./bin/clang++ NsanTestObjects.NSanUnitTest.cpp.x86_64.o NsanTestObjects.nsan_unit_test_main.cpp.x86_64.o NsanTestObjects.gtest-all.cc.x86_64.o -o /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/lib/nsan/tests/./Nsan-x86_64-Test -fuse-ld=lld -Wl,--color-diagnostics -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -resource-dir=/home/b/sanitizer-x86_64-linux/build/build_default/./lib/../lib/clang/20 -lstdc++ -fsanitize=numerical -m64
ld.lld: error: cannot open /home/b/sanitizer-x86_64-linux/build/build_default/./lib/../lib/clang/20/lib/x86_64-unknown-linux-gnu/libclang_rt.nsan.a: No such file or directory
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
ninja: build stopped: subcommand failed.
FAILED: runtimes/CMakeFiles/check-compiler-rt /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/CMakeFiles/check-compiler-rt 
cd /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins && /usr/bin/cmake --build /home/b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/ --target check-compiler-rt --config Release
ninja: build stopped: subcommand failed.

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild
Step 10 (build compiler-rt debug) failure: build compiler-rt debug (failure)
...
[4688/5249] Building CXX object lib/Target/RISCV/MCA/CMakeFiles/LLVMRISCVTargetMCA.dir/RISCVCustomBehaviour.cpp.o
[4689/5249] Building CXX object lib/Target/RISCV/MCTargetDesc/CMakeFiles/LLVMRISCVDesc.dir/RISCVMCTargetDesc.cpp.o
[4690/5249] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVVectorPeephole.cpp.o
[4691/5249] Linking CXX static library lib/libLLVMRISCVInfo.a
[4692/5249] Linking CXX static library lib/libLLVMRISCVDesc.a
[4693/5249] Linking CXX static library lib/libLLVMRISCVAsmParser.a
[4694/5249] Linking CXX static library lib/libLLVMRISCVTargetMCA.a
[4695/5249] Linking CXX static library lib/libLLVMRISCVDisassembler.a
[4696/5249] Linking CXX static library lib/libLLVMRISCVCodeGen.a
[4697/5249] Building CXX object tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o
FAILED: tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /home/b/sanitizer-x86_64-linux/build/llvm_build0/bin/clang++ -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-x86_64-linux/build/build_default/tools/llvm-cgdata -I/home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/tools/llvm-cgdata -I/home/b/sanitizer-x86_64-linux/build/build_default/include -I/home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o -MF tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o.d -o tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o -c /home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/tools/llvm-cgdata/llvm-cgdata.cpp
/home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/tools/llvm-cgdata/llvm-cgdata.cpp:349:3: error: default label in switch which covers all enumeration values [-Werror,-Wcovered-switch-default]
  349 |   default:
      |   ^
1 error generated.
[4698/5249] Building AMDGPUGenAsmWriter.inc...
[4699/5249] Building AMDGPUGenGlobalISel.inc...
[4700/5249] Building AMDGPUGenAsmMatcher.inc...
[4701/5249] Building AMDGPUGenInstrInfo.inc...
[4702/5249] Building AMDGPUGenDAGISel.inc...
[4703/5249] Building AMDGPUGenRegisterBank.inc...
[4704/5249] Building AMDGPUGenRegisterInfo.inc...
ninja: build stopped: subcommand failed.

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild
Step 12 (build compiler-rt tsan_debug) failure: build compiler-rt tsan_debug (failure)
...
[4669/5230] Building CXX object lib/Target/RISCV/MCTargetDesc/CMakeFiles/LLVMRISCVDesc.dir/RISCVMCTargetDesc.cpp.o
[4670/5230] Building CXX object lib/Target/RISCV/MCTargetDesc/CMakeFiles/LLVMRISCVDesc.dir/RISCVELFStreamer.cpp.o
[4671/5230] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVVectorPeephole.cpp.o
[4672/5230] Linking CXX static library lib/libLLVMRISCVInfo.a
[4673/5230] Linking CXX static library lib/libLLVMRISCVDesc.a
[4674/5230] Linking CXX static library lib/libLLVMRISCVDisassembler.a
[4675/5230] Linking CXX static library lib/libLLVMRISCVAsmParser.a
[4676/5230] Linking CXX static library lib/libLLVMRISCVTargetMCA.a
[4677/5230] Linking CXX static library lib/libLLVMRISCVCodeGen.a
[4678/5230] Building CXX object tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o
FAILED: tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /home/b/sanitizer-x86_64-linux/build/llvm_build0/bin/clang++ -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-x86_64-linux/build/build_default/tools/llvm-cgdata -I/home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/tools/llvm-cgdata -I/home/b/sanitizer-x86_64-linux/build/build_default/include -I/home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o -MF tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o.d -o tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o -c /home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/tools/llvm-cgdata/llvm-cgdata.cpp
/home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/tools/llvm-cgdata/llvm-cgdata.cpp:349:3: error: default label in switch which covers all enumeration values [-Werror,-Wcovered-switch-default]
  349 |   default:
      |   ^
1 error generated.
[4679/5230] Building AMDGPUGenGlobalISel.inc...
[4680/5230] Building AMDGPUGenAsmWriter.inc...
[4681/5230] Building AMDGPUGenAsmMatcher.inc...
[4682/5230] Building AMDGPUGenInstrInfo.inc...
[4683/5230] Building AMDGPUGenDAGISel.inc...
[4684/5230] Building AMDGPUGenRegisterBank.inc...
[4685/5230] Building AMDGPUGenRegisterInfo.inc...
ninja: build stopped: subcommand failed.

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild
Step 13 (build compiler-rt default) failure: build compiler-rt default (failure)
...
[4628/5249] Linking CXX executable bin/arcmt-test
[4629/5249] Linking CXX shared module lib/CheckerDependencyHandlingAnalyzerPlugin.so
[4630/5249] Linking CXX executable bin/clang-installapi
[4631/5249] Linking CXX executable bin/clang-diff
[4632/5249] Linking CXX shared module lib/CheckerOptionHandlingAnalyzerPlugin.so
[4633/5249] Linking CXX executable bin/clang-rename
[4634/5249] Linking CXX executable bin/clang-refactor
[4635/5249] Linking CXX shared module lib/SampleAnalyzerPlugin.so
[4636/5249] Linking CXX executable bin/clang-import-test
[4637/5249] Building CXX object tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o
FAILED: tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /home/b/sanitizer-x86_64-linux/build/llvm_build0/bin/clang++ -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-x86_64-linux/build/build_default/tools/llvm-cgdata -I/home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/tools/llvm-cgdata -I/home/b/sanitizer-x86_64-linux/build/build_default/include -I/home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o -MF tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o.d -o tools/llvm-cgdata/CMakeFiles/llvm-cgdata.dir/llvm-cgdata.cpp.o -c /home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/tools/llvm-cgdata/llvm-cgdata.cpp
/home/b/sanitizer-x86_64-linux/build/llvm-project/llvm/tools/llvm-cgdata/llvm-cgdata.cpp:349:3: error: default label in switch which covers all enumeration values [-Werror,-Wcovered-switch-default]
  349 |   default:
      |   ^
1 error generated.
[4638/5249] Building RISCVGenDAGISel.inc...
[4639/5249] Building RISCVGenSubtargetInfo.inc...
[4640/5249] Building AMDGPUGenAsmWriter.inc...
[4641/5249] Building AMDGPUGenAsmMatcher.inc...
[4642/5249] Building AMDGPUGenDAGISel.inc...
[4643/5249] Building AMDGPUGenInstrInfo.inc...
[4644/5249] Building AMDGPUGenGlobalISel.inc...
[4645/5249] Building AMDGPUGenRegisterBank.inc...
[4646/5249] Building AMDGPUGenRegisterInfo.inc...
ninja: build stopped: subcommand failed.

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild

```

https://github.com/llvm/llvm-project/pull/101461