[clang] Reland [clang][modules-driver] Add scanner to detect C++20 module presence (PR #147630)
LLVM Continuous Integration via cfe-commits
cfe-commits at lists.llvm.org
Mon Jul 21 13:51:36 PDT 2025
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `openmp-offload-sles-build-only` running on `rocm-worker-hw-04-sles` while building `clang` at step 5 "compile-openmp".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/140/builds/27383
<details>
<summary>Here is the relevant piece of the build log for the reference</summary>
```
Step 5 (compile-openmp) failure: build (failure)
...
508.949 [28/6/7286] Linking CXX executable tools/flang/unittests/Evaluate/integer.test
508.967 [28/5/7287] Linking CXX executable tools/flang/unittests/Evaluate/real.test
510.000 [28/4/7288] Linking CXX executable tools/flang/unittests/Evaluate/expression.test
510.013 [28/3/7289] Linking CXX executable tools/flang/unittests/Evaluate/intrinsics.test
510.024 [28/2/7290] Linking CXX executable tools/flang/unittests/Evaluate/folding.test
510.130 [28/1/7291] Linking CXX static library lib/libFortranLower.a
510.221 [27/1/7292] Linking CXX static library lib/libflangFrontend.a
510.236 [25/2/7293] Linking CXX static library lib/libflangFrontendTool.a
518.806 [24/2/7294] Linking CXX executable bin/bbc
520.556 [24/1/7295] Linking CXX executable bin/flang-22
FAILED: bin/flang-22
: && /usr/bin/c++ -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment -Wno-misleading-indentation -fdiagnostics-color -ffunction-sections -fdata-sections -Wno-deprecated-copy -Wno-ctad-maybe-unsupported -fno-semantic-interposition -fpch-preprocess -O3 -DNDEBUG -Wl,--export-dynamic -Wl,-rpath-link,/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.build/./lib -Wl,--gc-sections tools/flang/tools/flang-driver/CMakeFiles/flang.dir/driver.cpp.o tools/flang/tools/flang-driver/CMakeFiles/flang.dir/fc1_main.cpp.o -o bin/flang-22 -L/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.build/./lib -Wl,-rpath,"\$ORIGIN/../lib:/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.build/./lib:" lib/libLLVMX86CodeGen.a lib/libLLVMX86AsmParser.a lib/libLLVMX86Desc.a lib/libLLVMX86Disassembler.a lib/libLLVMX86Info.a lib/libLLVMAMDGPUCodeGen.a lib/libLLVMAMDGPUAsmParser.a lib/libLLVMAMDGPUDesc.a lib/libLLVMAMDGPUDisassembler.a lib/libLLVMAMDGPUInfo.a lib/libLLVMAMDGPUUtils.a lib/libLLVMMC.a lib/libLLVMOption.a lib/libLLVMSupport.a lib/libLLVMTargetParser.a -lpthread lib/libflangFrontend.a lib/libflangFrontendTool.a lib/libclangDriver.a lib/libclangBasic.a lib/libLLVMMCDisassembler.a lib/libflangFrontend.a lib/libFortranLower.a lib/libFortranSemantics.a lib/libflangPasses.a lib/libHLFIRTransforms.a lib/libFIRTransforms.a lib/libFIRCodeGen.a lib/libMLIRComplexToROCDLLibraryCalls.a lib/libMLIRMathToFuncs.a lib/libFIROpenACCSupport.a lib/libFIROpenMPSupport.a lib/libFlangOpenMPTransforms.a lib/libFIRCodeGenDialect.a lib/libFIRAnalysis.a lib/libFIRBuilder.a lib/libCUFDialect.a lib/libFortranEvaluate.a lib/libFortranParser.a lib/libFortranSupport.a lib/libFortranDecimal.a lib/libFIRSupport.a lib/libMLIROpenACCToLLVMIRTranslation.a lib/libMLIROpenMPToLLVMIRTranslation.a lib/libHLFIRDialect.a lib/libFIRDialect.a lib/libFIRDialectSupport.a lib/libMLIROpenMPToLLVM.a lib/libCUFAttrs.a lib/libLLVMExtensions.a lib/libLLVMFrontendDriver.a lib/libLLVMFrontendOpenACC.a lib/libMLIRBuiltinToLLVMIRTranslation.a lib/libMLIRLLVMToLLVMIRTranslation.a lib/libMLIRTargetLLVMIRImport.a lib/libMLIRAffineTransformOps.a lib/libMLIRAMDGPUTransforms.a lib/libMLIRArithValueBoundsOpInterfaceImpl.a lib/libMLIRArmNeonVectorTransformOps.a lib/libMLIRArmSMETransforms.a lib/libMLIRArmSMEDialect.a lib/libMLIRArmSVEVectorTransformOps.a lib/libMLIRAsyncTransforms.a lib/libMLIRBufferizationPipelines.a lib/libMLIRBufferizationTransformOps.a lib/libMLIRControlFlowTransforms.a lib/libMLIRDLTITransformOps.a lib/libMLIREmitCTransforms.a lib/libMLIREmitCDialect.a lib/libMLIRFuncTransformOps.a lib/libMLIRFuncUtils.a lib/libMLIRGPUTransformOps.a lib/libMLIRGPUToROCDLTransforms.a lib/libMLIRMathToROCDL.a lib/libMLIRAMDGPUToROCDL.a lib/libMLIRAMDGPUUtils.a lib/libMLIRGPUPipelines.a lib/libMLIRIndexToLLVM.a lib/libMLIRNVVMToLLVM.a lib/libMLIRVCIXDialect.a lib/libMLIRMathTransforms.a lib/libMLIRMemRefTransformOps.a lib/libMLIRMLProgramTransforms.a lib/libMLIRMLProgramDialect.a lib/libMLIRMPIDialect.a lib/libMLIRNVGPUUtils.a lib/libMLIRNVGPUTransformOps.a lib/libMLIRNVGPUToNVVM.a lib/libMLIRNVGPUTransforms.a lib/libMLIROpenACCTransforms.a lib/libMLIROpenACCDialect.a lib/libMLIROpenMPDialect.a lib/libMLIROpenACCMPCommon.a lib/libMLIRPtrDialect.a lib/libMLIRQuantTransforms.a lib/libMLIRSCFTransformOps.a lib/libMLIRShapeOpsTransforms.a lib/libMLIRShapeDialect.a lib/libMLIRSMT.a lib/libMLIRSparseTensorPipelines.a lib/libMLIRSCFToControlFlow.a lib/libMLIRAffineToStandard.a lib/libMLIRComplexToLLVM.a lib/libMLIRComplexToStandard.a lib/libMLIRComplexDivisionConversion.a lib/libMLIRMathToLLVM.a lib/libMLIRMathToLibm.a lib/libMLIRReconcileUnrealizedCasts.a lib/libMLIRGPUToNVVMTransforms.a lib/libMLIRGPUToGPURuntimeTransforms.a lib/libMLIRGPUTransforms.a lib/libMLIRAMDGPUDialect.a lib/libMLIRXeVMDialect.a lib/libMLIRAsyncToLLVM.a lib/libMLIRAsyncDialect.a lib/libMLIRFuncToLLVM.a lib/libMLIRArithToLLVM.a lib/libMLIRControlFlowToLLVM.a lib/libMLIRConvertToLLVMPass.a lib/libMLIRConvertToLLVMInterface.a lib/libMLIRComplexToLibm.a lib/libMLIRMemRefToLLVM.a lib/libMLIRUBToLLVM.a lib/libMLIRVectorToLLVMPass.a lib/libMLIRAMXTransforms.a lib/libMLIRAMXDialect.a lib/libMLIRArmNeonTransforms.a lib/libMLIRArmNeonDialect.a lib/libMLIRArmSVETransforms.a lib/libMLIRArmSVEDialect.a lib/libMLIRSparseTensorTransformOps.a lib/libMLIRLinalgTransformOps.a lib/libMLIRSparseTensorTransforms.a lib/libMLIRLinalgTransforms.a lib/libMLIRMemRefTransforms.a lib/libMLIRArithTransforms.a lib/libMLIRFuncTransforms.a lib/libMLIRNVGPUDialect.a lib/libMLIRMeshTransforms.a lib/libMLIRSparseTensorUtils.a lib/libMLIRSPIRVModuleCombiner.a lib/libMLIRSPIRVTransforms.a lib/libMLIRSPIRVConversion.a lib/libMLIRSPIRVUtils.a lib/libMLIRTensorInferTypeOpInterfaceImpl.a lib/libMLIRTensorTilingInterfaceImpl.a lib/libMLIRLinalgUtils.a lib/libMLIRTensorTransformOps.a lib/libMLIRTosaShardingInterfaceImpl.a lib/libMLIRTosaTransforms.a lib/libMLIRTransformDebugExtension.a lib/libMLIRTransformDialectIRDLExtension.a lib/libMLIRIRDL.a lib/libMLIRTransformLoopExtension.a lib/libMLIRTransformPDLExtension.a lib/libMLIRTransformDialectTransforms.a lib/libMLIRTransformTuneExtension.a lib/libMLIRVectorTransformOps.a lib/libMLIRTransformDialect.a lib/libMLIRTransformDialectInterfaces.a lib/libMLIRTransformDialectUtils.a lib/libMLIRVectorToLLVM.a lib/libMLIRArithAttrToLLVMConversion.a lib/libMLIRVectorToSCF.a lib/libMLIRX86VectorTransforms.a lib/libMLIRX86VectorDialect.a lib/libMLIRLLVMCommonConversion.a lib/libMLIRSPIRVTarget.a lib/libMLIRSPIRVSerialization.a lib/libMLIRSPIRVDialect.a lib/libMLIRSPIRVImageInterfaces.a lib/libMLIRSPIRVBinaryUtils.a lib/libMLIRNVVMTarget.a lib/libMLIRNVVMToLLVMIRTranslation.a lib/libMLIRROCDLTarget.a lib/libLLVMAMDGPUCodeGen.a lib/libLLVMAsmPrinter.a lib/libLLVMMIRParser.a lib/libLLVMAMDGPUAsmParser.a lib/libLLVMAMDGPUDesc.a lib/libLLVMAMDGPUUtils.a lib/libLLVMAMDGPUInfo.a lib/libMLIRTargetLLVM.a lib/libMLIRExecutionEngineUtils.a lib/libLLVMPasses.a lib/libLLVMCFGuard.a lib/libLLVMGlobalISel.a lib/libLLVMSelectionDAG.a lib/libLLVMCodeGen.a lib/libLLVMCGData.a lib/libLLVMCodeGenTypes.a lib/libLLVMIRPrinter.a lib/libLLVMTarget.a lib/libLLVMHipStdPar.a lib/libLLVMObjCARCOpts.a lib/libLLVMCoroutines.a lib/libLLVMipo.a lib/libLLVMInstrumentation.a lib/libLLVMVectorize.a lib/libLLVMSandboxIR.a lib/libLLVMLinker.a lib/libMLIRROCDLToLLVMIRTranslation.a lib/libMLIRROCDLDialect.a lib/libMLIRTargetLLVMIRExport.a lib/libMLIRLLVMIRTransforms.a lib/libMLIRNVVMDialect.a lib/libMLIRLLVMDialect.a lib/libLLVMBitWriter.a lib/libMLIRTranslateLib.a lib/libMLIRTestDynDialect.a lib/libMLIRTosaTestPasses.a lib/libMLIRTosaDialect.a lib/libMLIRQuantUtils.a lib/libMLIRQuantDialect.a lib/libMLIRXeGPUTestPasses.a lib/libMLIRXeGPUTransforms.a lib/libMLIRIndexDialect.a lib/libMLIRVectorTransforms.a lib/libMLIRGPUUtils.a lib/libMLIRGPUDialect.a lib/libMLIRDLTIDialect.a lib/libMLIRMemRefUtils.a lib/libMLIRXeGPUUtils.a lib/libMLIRSCFTransforms.a lib/libMLIRBufferizationTransforms.a lib/libMLIRTensorTransforms.a lib/libMLIRAffineTransforms.a lib/libMLIRSCFUtils.a lib/libMLIRTransforms.a lib/libMLIRAffineUtils.a lib/libMLIRLinalgDialect.a lib/libMLIRBufferizationDialect.a lib/libMLIRMathDialect.a lib/libMLIRSparseTensorDialect.a lib/libMLIRParser.a lib/libMLIRBytecodeReader.a lib/libMLIRAsmParser.a lib/libMLIRTensorUtils.a lib/libMLIRVectorUtils.a lib/libMLIRAffineAnalysis.a lib/libMLIRSCFDialect.a lib/libMLIRTilingInterface.a lib/libMLIRTransformUtils.a lib/libMLIRSubsetOpInterface.a lib/libMLIRRewrite.a lib/libMLIRRewritePDL.a lib/libMLIRPDLToPDLInterp.a lib/libMLIRPDLInterpDialect.a lib/libMLIRPDLDialect.a lib/libMLIRXeGPUDialect.a lib/libMLIRVectorDialect.a lib/libMLIRIndexingMapOpInterface.a lib/libMLIRVectorInterfaces.a lib/libMLIRMaskableOpInterface.a lib/libMLIRMaskingOpInterface.a lib/libMLIRFuncAllExtensions.a lib/libMLIRFuncInlinerExtension.a lib/libMLIRControlFlowDialect.a lib/libMLIRFuncMeshShardingExtensions.a lib/libMLIRFuncDialect.a lib/libMLIRTensorAllExtensions.a lib/libMLIRTensorMeshShardingExtensions.a lib/libMLIRShardingInterface.a lib/libMLIRMeshDialect.a lib/libMLIRTensorDialect.a lib/libMLIRAffineDialect.a lib/libMLIRMemRefDialect.a lib/libMLIRMemorySlotInterfaces.a lib/libMLIRArithUtils.a lib/libMLIRComplexDialect.a lib/libMLIRArithDialect.a lib/libMLIRUBDialect.a lib/libMLIRDialect.a lib/libMLIRRuntimeVerifiableOpInterface.a lib/libMLIRValueBoundsOpInterface.a lib/libMLIRCastInterfaces.a lib/libMLIRInferIntRangeCommon.a lib/libMLIRShapedOpInterfaces.a lib/libMLIRDestinationStyleOpInterface.a lib/libMLIRParallelCombiningOpInterface.a lib/libMLIRDialectUtils.a lib/libclangDriver.a lib/libLLVMWindowsDriver.a lib/libLLVMOption.a lib/libclangBasic.a lib/libLLVMFrontendOpenMP.a lib/libLLVMScalarOpts.a lib/libLLVMAggressiveInstCombine.a lib/libLLVMInstCombine.a lib/libLLVMFrontendDirective.a lib/libLLVMFrontendOffloading.a lib/libLLVMTransformUtils.a lib/libLLVMObjectYAML.a lib/libLLVMFrontendAtomic.a lib/libLLVMAnalysis.a lib/libLLVMProfileData.a lib/libLLVMSymbolize.a lib/libLLVMDebugInfoGSYM.a lib/libLLVMDebugInfoDWARF.a lib/libLLVMDebugInfoDWARFLowLevel.a lib/libLLVMDebugInfoPDB.a lib/libLLVMDebugInfoCodeView.a lib/libLLVMDebugInfoMSF.a lib/libLLVMDebugInfoBTF.a lib/libLLVMObject.a lib/libLLVMMCParser.a lib/libLLVMMC.a lib/libLLVMIRReader.a lib/libLLVMAsmParser.a lib/libLLVMBitReader.a lib/libLLVMTextAPI.a lib/libLLVMCore.a lib/libLLVMBinaryFormat.a lib/libLLVMTargetParser.a lib/libLLVMRemarks.a lib/libLLVMBitstreamReader.a lib/libMLIRPass.a lib/libMLIRAnalysis.a lib/libMLIRLoopLikeInterface.a lib/libMLIRFunctionInterfaces.a lib/libMLIRSideEffectInterfaces.a lib/libMLIRCallInterfaces.a lib/libMLIRControlFlowInterfaces.a lib/libMLIRInferTypeOpInterface.a lib/libMLIRPresburger.a lib/libMLIRViewLikeInterface.a lib/libMLIRInferIntRangeInterface.a lib/libMLIRDataLayoutInterfaces.a lib/libMLIRIR.a lib/libMLIRSupport.a lib/libLLVMSupport.a -lrt -ldl -lm /usr/lib64/libz.so /usr/lib64/libzstd.so lib/libLLVMDemangle.a -lpthread && :
/usr/lib64/gcc/x86_64-suse-linux/7/../../../../x86_64-suse-linux/bin/ld: lib/libclangDriver.a(Driver.cpp.o): in function `clang::driver::Driver::ScanInputsForCXX20ModulesUsage(llvm::SmallVector<std::pair<clang::driver::types::ID, llvm::opt::Arg const*>, 16u> const&) const [clone .localalias.26]':
Driver.cpp:(.text._ZNK5clang6driver6Driver30ScanInputsForCXX20ModulesUsageERKN4llvm11SmallVectorISt4pairINS0_5types2IDEPKNS2_3opt3ArgEELj16EEE+0xd1): undefined reference to `clang::scanInputForCXX20ModulesUsage(llvm::StringRef)'
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.
```
</details>
https://github.com/llvm/llvm-project/pull/147630
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