[llvm] [gn build] Port 016954e1489d (PR #206571)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Mon Jun 29 13:52:38 PDT 2026 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `release-noassertions-warnings` running on `google-integrate-b1` while building `llvm` at step 6 "build-default".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/228/builds/3282

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (build-default) failure: cmake (failure)
...
10.005 [7367/34/1216] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/StackMaps.cpp.o
10.006 [7366/34/1217] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/StackSlotColoring.cpp.o
10.007 [7365/34/1218] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/StaticDataSplitter.cpp.o
10.008 [7364/34/1219] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/StaticDataAnnotator.cpp.o
10.009 [7363/34/1220] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/SwiftErrorValueTracking.cpp.o
10.014 [7362/34/1221] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/SwitchLoweringUtils.cpp.o
10.015 [7361/34/1222] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TailDuplication.cpp.o
10.020 [7360/34/1223] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetFrameLoweringImpl.cpp.o
10.022 [7359/34/1224] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TailDuplicator.cpp.o
10.026 [7358/34/1225] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/BasicTargetTransformInfo.cpp.o
FAILED: lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/BasicTargetTransformInfo.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes CCACHE_SLOPPINESS=pch_defines,time_macros /usr/bin/ccache /usr/bin/c++ -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/b/release-noassertions-warnings-build/build/lib/CodeGen -I/b/release-noassertions-warnings-build/llvm-project/llvm/lib/CodeGen -I/b/release-noassertions-warnings-build/build/include -I/b/release-noassertions-warnings-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 -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Xclang -fno-pch-timestamp -O3 -DNDEBUG -std=c++17 -fno-exceptions -funwind-tables -fno-rtti -Winvalid-pch -Xclang -include-pch -Xclang /b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx.pch -Xclang -include -Xclang /b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx -MD -MT lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/BasicTargetTransformInfo.cpp.o -MF lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/BasicTargetTransformInfo.cpp.o.d -o lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/BasicTargetTransformInfo.cpp.o -c /b/release-noassertions-warnings-build/llvm-project/llvm/lib/CodeGen/BasicTargetTransformInfo.cpp
fatal error: file '/b/release-noassertions-warnings-build/build/include/llvm/IR/RuntimeLibcalls.inc' has been modified since the precompiled header '/b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx.pch' was built: size changed (was 1261970, now 1261194)
note: please rebuild precompiled file '/b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx.pch'
1 error generated.
10.027 [7358/33/1226] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetInstrInfo.cpp.o
10.028 [7358/32/1227] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetLoweringObjectFileImpl.cpp.o
10.030 [7358/31/1228] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetRegisterInfo.cpp.o
10.031 [7358/30/1229] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetPassConfig.cpp.o
10.032 [7358/29/1230] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetLoweringBase.cpp.o
10.032 [7358/28/1231] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetOptionsImpl.cpp.o
10.037 [7358/27/1232] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetSchedule.cpp.o
10.038 [7358/26/1233] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetSubtargetInfo.cpp.o
10.197 [7358/25/1234] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ExpandVectorPredication.cpp.o
FAILED: lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ExpandVectorPredication.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes CCACHE_SLOPPINESS=pch_defines,time_macros /usr/bin/ccache /usr/bin/c++ -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/b/release-noassertions-warnings-build/build/lib/CodeGen -I/b/release-noassertions-warnings-build/llvm-project/llvm/lib/CodeGen -I/b/release-noassertions-warnings-build/build/include -I/b/release-noassertions-warnings-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 -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Xclang -fno-pch-timestamp -O3 -DNDEBUG -std=c++17 -fno-exceptions -funwind-tables -fno-rtti -Winvalid-pch -Xclang -include-pch -Xclang /b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx.pch -Xclang -include -Xclang /b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx -MD -MT lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ExpandVectorPredication.cpp.o -MF lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ExpandVectorPredication.cpp.o.d -o lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ExpandVectorPredication.cpp.o -c /b/release-noassertions-warnings-build/llvm-project/llvm/lib/CodeGen/ExpandVectorPredication.cpp
fatal error: file '/b/release-noassertions-warnings-build/build/include/llvm/IR/RuntimeLibcalls.inc' has been modified since the precompiled header '/b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx.pch' was built: size changed (was 1261970, now 1261194)
note: please rebuild precompiled file '/b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx.pch'
1 error generated.
10.208 [7358/24/1235] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/CodeGenPrepare.cpp.o
FAILED: lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/CodeGenPrepare.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes CCACHE_SLOPPINESS=pch_defines,time_macros /usr/bin/ccache /usr/bin/c++ -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/b/release-noassertions-warnings-build/build/lib/CodeGen -I/b/release-noassertions-warnings-build/llvm-project/llvm/lib/CodeGen -I/b/release-noassertions-warnings-build/build/include -I/b/release-noassertions-warnings-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 -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Xclang -fno-pch-timestamp -O3 -DNDEBUG -std=c++17 -fno-exceptions -funwind-tables -fno-rtti -Winvalid-pch -Xclang -include-pch -Xclang /b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx.pch -Xclang -include -Xclang /b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx -MD -MT lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/CodeGenPrepare.cpp.o -MF lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/CodeGenPrepare.cpp.o.d -o lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/CodeGenPrepare.cpp.o -c /b/release-noassertions-warnings-build/llvm-project/llvm/lib/CodeGen/CodeGenPrepare.cpp
fatal error: file '/b/release-noassertions-warnings-build/build/include/llvm/IR/RuntimeLibcalls.inc' has been modified since the precompiled header '/b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx.pch' was built: size changed (was 1261970, now 1261194)
note: please rebuild precompiled file '/b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx.pch'
1 error generated.
10.244 [7358/23/1236] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/InterleavedAccessPass.cpp.o
FAILED: lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/InterleavedAccessPass.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes CCACHE_SLOPPINESS=pch_defines,time_macros /usr/bin/ccache /usr/bin/c++ -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/b/release-noassertions-warnings-build/build/lib/CodeGen -I/b/release-noassertions-warnings-build/llvm-project/llvm/lib/CodeGen -I/b/release-noassertions-warnings-build/build/include -I/b/release-noassertions-warnings-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 -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Xclang -fno-pch-timestamp -O3 -DNDEBUG -std=c++17 -fno-exceptions -funwind-tables -fno-rtti -Winvalid-pch -Xclang -include-pch -Xclang /b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx.pch -Xclang -include -Xclang /b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx -MD -MT lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/InterleavedAccessPass.cpp.o -MF lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/InterleavedAccessPass.cpp.o.d -o lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/InterleavedAccessPass.cpp.o -c /b/release-noassertions-warnings-build/llvm-project/llvm/lib/CodeGen/InterleavedAccessPass.cpp
fatal error: file '/b/release-noassertions-warnings-build/build/include/llvm/IR/RuntimeLibcalls.inc' has been modified since the precompiled header '/b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx.pch' was built: size changed (was 1261970, now 1261194)
note: please rebuild precompiled file '/b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx.pch'
1 error generated.
10.329 [7358/22/1237] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineUniformityAnalysis.cpp.o
FAILED: lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineUniformityAnalysis.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes CCACHE_SLOPPINESS=pch_defines,time_macros /usr/bin/ccache /usr/bin/c++ -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/b/release-noassertions-warnings-build/build/lib/CodeGen -I/b/release-noassertions-warnings-build/llvm-project/llvm/lib/CodeGen -I/b/release-noassertions-warnings-build/build/include -I/b/release-noassertions-warnings-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 -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Xclang -fno-pch-timestamp -O3 -DNDEBUG -std=c++17 -fno-exceptions -funwind-tables -fno-rtti -Winvalid-pch -Xclang -include-pch -Xclang /b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx.pch -Xclang -include -Xclang /b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx -MD -MT lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineUniformityAnalysis.cpp.o -MF lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineUniformityAnalysis.cpp.o.d -o lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineUniformityAnalysis.cpp.o -c /b/release-noassertions-warnings-build/llvm-project/llvm/lib/CodeGen/MachineUniformityAnalysis.cpp
fatal error: file '/b/release-noassertions-warnings-build/build/include/llvm/IR/RuntimeLibcalls.inc' has been modified since the precompiled header '/b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx.pch' was built: size changed (was 1261970, now 1261194)
note: please rebuild precompiled file '/b/release-noassertions-warnings-build/build/lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/cmake_pch.hxx.pch'
1 error generated.
10.337 [7358/21/1238] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/CodeGenTargetMachineImpl.cpp.o
FAILED: lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/CodeGenTargetMachineImpl.cpp.o 

```

</details>

https://github.com/llvm/llvm-project/pull/206571

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