[llvm-dev] lld does not build

Wed Jan 15 14:48:15 PST 2020

I confirm I could build today's trunk lld with GCC. I'll go ahead and
report as you suggested.

On Wed, Jan 15, 2020 at 7:54 PM Oliver Stannard <oliver.stannard at linaro.org>
wrote:

> That's a crash in the compiler you are using, not a problem with lld, so
> I'd suggest following the instructions at the end of the crash report, and
> contacting support-hpc-sw at arm.com.
>
> It looks like the crash is happening during an optimisation pass, so you
> could try compiling at a lower optimisation level (replace -O3 with -O0 or
> -O1) as a workaround for now.
>
> Oliver
>
>
> On Wed, 15 Jan 2020 at 09:32, Itaru Kitayama via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
>
>> Hi,
>> Can someone who's familiar with lld take a look?
>>
>> [2980/3371] Building C object
>> tools/llvm-c-test/CMakeFiles/llvm-c-test.dir/disassemble.c.o
>> [2981/3371] Building CXX object
>> tools/lld/COFF/CMakeFiles/lldCOFF.dir/Writer.cpp.o
>> FAILED: tools/lld/COFF/CMakeFiles/lldCOFF.dir/Writer.cpp.o
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/bin/armclang++
>>  -DGTEST_HAS_RTTI=0 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS
>> -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Itools/lld/COFF
>> -I/fefs/home/r1050/projects/llvm-project/lld/COFF
>> -I/fefs/home/r1050/projects/llvm-project/lld/include -Itools/lld/include
>> -I/usr/include/libxml2 -Iinclude
>> -I/fefs/home/r1050/projects/llvm-project/llvm/include -fPIC
>> -fvisibility-inlines-hidden -Werror=date-time
>> -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter
>> -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic
>> -Wno-long-long -Wimplicit-fallthrough -Wcovered-switch-default
>> -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor
>> -Wstring-conversion -fdiagnostics-color -ffunction-sections -fdata-sections
>> -O3 -DNDEBUG    -fno-exceptions -fno-rtti -std=c++14 -MD -MT
>> tools/lld/COFF/CMakeFiles/lldCOFF.dir/Writer.cpp.o -MF
>> tools/lld/COFF/CMakeFiles/lldCOFF.dir/Writer.cpp.o.d -o
>> tools/lld/COFF/CMakeFiles/lldCOFF.dir/Writer.cpp.o -c
>> /fefs/home/r1050/projects/llvm-project/lld/COFF/Writer.cpp
>> Stack dump:
>> 0. Program arguments:
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9
>> -cc1 -triple aarch64-unknown-linux-gnu -emit-obj -disable-free
>> -disable-llvm-verifier -discard-value-names -main-file-name Writer.cpp
>> -mrelocation-model pic -pic-level 2 -mthread-model posix -mllvm
>> -memory-check-merge-threshold=500 -mllvm -max-dependences=20000
>> -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases
>> -munwind-tables -fuse-init-array -target-cpu generic -target-feature +neon
>> -target-abi aapcs -fallow-half-arguments-and-returns -dwarf-column-info
>> -debugger-tuning=gdb -ffunction-sections -fdata-sections
>> -coverage-notes-file
>> /fefs/home/r1050/work/build/202001151820/tools/lld/COFF/CMakeFiles/lldCOFF.dir/Writer.cpp.gcno
>> -resource-dir
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/lib/clang/9.0.1
>> -dependency-file tools/lld/COFF/CMakeFiles/lldCOFF.dir/Writer.cpp.o.d
>> -sys-header-deps -MT tools/lld/COFF/CMakeFiles/lldCOFF.dir/Writer.cpp.o -D
>> GTEST_HAS_RTTI=0 -D _GNU_SOURCE -D __STDC_CONSTANT_MACROS -D
>> __STDC_FORMAT_MACROS -D __STDC_LIMIT_MACROS -I tools/lld/COFF -I
>> /fefs/home/r1050/projects/llvm-project/lld/COFF -I
>> /fefs/home/r1050/projects/llvm-project/lld/include -I tools/lld/include -I
>> /usr/include/libxml2 -I include -I
>> /fefs/home/r1050/projects/llvm-project/llvm/include -D NDEBUG
>> -I/opt/arm/armpl-20.0.0_ThunderX2CN99_RHEL-7_arm-linux-compiler_20.0_aarch64-linux/include_common
>> -I/opt/arm//arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/include
>> -I/opt/arm/gcc-9.2.0_Generic-AArch64_RHEL-7_aarch64-linux/include
>> -internal-isystem
>> /opt/arm/gcc-9.2.0_Generic-AArch64_RHEL-7_aarch64-linux/lib/gcc/aarch64-linux-gnu/9.2.0/../../../../include/c++/9.2.0
>> -internal-isystem
>> /opt/arm/gcc-9.2.0_Generic-AArch64_RHEL-7_aarch64-linux/lib/gcc/aarch64-linux-gnu/9.2.0/../../../../include/c++/9.2.0/aarch64-linux-gnu
>> -internal-isystem
>> /opt/arm/gcc-9.2.0_Generic-AArch64_RHEL-7_aarch64-linux/lib/gcc/aarch64-linux-gnu/9.2.0/../../../../include/c++/9.2.0/backward
>> -internal-isystem /usr/local/include -internal-isystem
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/lib/clang/9.0.1/include
>> -internal-externc-isystem /include -internal-externc-isystem /usr/include
>> -O3 -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra
>> -Wno-unused-parameter -Wwrite-strings -Wcast-qual
>> -Wmissing-field-initializers -Wno-long-long -Wimplicit-fallthrough
>> -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor
>> -Wdelete-non-virtual-dtor -Wstring-conversion -pedantic -std=c++14
>> -fdeprecated-macro -fdebug-compilation-dir
>> /fefs/home/r1050/work/build/202001151820 -ferror-limit 19 -fmessage-length
>> 0 -fvisibility-inlines-hidden -fno-rtti -fno-signed-char -fobjc-runtime=gcc
>> -fdiagnostics-show-option -fcolor-diagnostics -vectorize-loops
>> -vectorize-slp -faddrsig -o
>> tools/lld/COFF/CMakeFiles/lldCOFF.dir/Writer.cpp.o -x c++
>> /fefs/home/r1050/projects/llvm-project/lld/COFF/Writer.cpp
>> 1. <eof> parser at end of file
>> 2. Per-module optimization passes
>> 3. Running pass 'CallGraph Pass Manager' on module
>> '/fefs/home/r1050/projects/llvm-project/lld/COFF/Writer.cpp'.
>> 4. Running pass 'Loop Pass Manager' on function
>> '@_ZN3lld4coff12_GLOBAL__N_16Writer13mergeSectionsEv'
>> 5. Running pass 'Loop Invariant Code Motion' on basic block '%37'
>>  #0 0x00000000015c2188 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x15c2188)
>>  #1 0x00000000015c0750 llvm::sys::RunSignalHandlers()
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x15c0750)
>>  #2 0x00000000015c0870 SignalHandler(int)
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x15c0870)
>>  #3 0x0000ffffad5f066c  0x66c sink(llvm::Instruction&, llvm::LoopInfo*,
>> llvm::DominatorTree*, llvm::Loop const*, llvm::ICFLoopSafetyInfo*,
>> llvm::MemorySSAUpdater*, llvm::OptimizationRemarkEmitter*)
>>  #4 0x0000ffffad5f066c
>>  #5 0x0000ffffad5f066c
>> llvm::sinkRegion(llvm::DomTreeNodeBase<llvm::BasicBlock>*,
>> llvm::AAResults*, llvm::LoopInfo*, llvm::DominatorTree*,
>> llvm::TargetLibraryInfo*, llvm::TargetTransformInfo*, llvm::Loop*,
>> llvm::AliasSetTracker*, llvm::MemorySSAUpdater*, llvm::ICFLoopSafetyInfo*,
>> llvm::SinkAndHoistLICMFlags&, llvm::OptimizationRemarkEmitter*) (+0x66c)
>>  #6 0x00000000014228f8 (anonymous
>> namespace)::LoopInvariantCodeMotion::runOnLoop(llvm::Loop*,
>> llvm::AAResults*, llvm::LoopInfo*, llvm::DominatorTree*,
>> llvm::TargetLibraryInfo*, llvm::TargetTransformInfo*,
>> llvm::ScalarEvolution*, llvm::MemorySSA*, llvm::OptimizationRemarkEmitter*,
>> bool)
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x14228f8)
>>  #7 0x0000000001424d30 (anonymous
>> namespace)::LegacyLICMPass::runOnLoop(llvm::Loop*, llvm::LPPassManager&)
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x1424d30)
>>  #8 0x0000000001425b60
>> llvm::LPPassManager::runOnFunction(llvm::Function&)
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x1425b60)
>>  #9 0x00000000014276b0
>> llvm::FPPassManager::runOnFunction(llvm::Function&)
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x14276b0)
>> #10 0x0000000002481a90 (anonymous
>> namespace)::CGPassManager::runOnModule(llvm::Module&)
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x2481a90)
>> #11 0x00000000010c98e8 llvm::legacy::PassManagerImpl::run(llvm::Module&)
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x10c98e8)
>> #12 0x00000000024559b8
>> clang::EmitBackendOutput(clang::DiagnosticsEngine&,
>> clang::HeaderSearchOptions const&, clang::CodeGenOptions const&,
>> clang::TargetOptions const&, clang::LangOptions const&, llvm::DataLayout
>> const&, llvm::Module*, clang::BackendAction,
>> std::unique_ptr<llvm::raw_pwrite_stream,
>> std::default_delete<llvm::raw_pwrite_stream> >)
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x24559b8)
>> #13 0x00000000010c8d14
>> clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&)
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x10c8d14)
>> #14 0x00000000017f3e74 clang::ParseAST(clang::Sema&, bool, bool)
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x17f3e74)
>> #15 0x00000000021ae9dc clang::FrontendAction::Execute()
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x21ae9dc)
>> #16 0x0000000002ce0ecc
>> clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x2ce0ecc)
>> #17 0x0000000001c8c5e0
>> clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x1c8c5e0)
>> #18 0x0000000001c55c80 cc1_main(llvm::ArrayRef<char const*>, char const*,
>> void*)
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x1c55c80)
>> #19 0x0000000001d3f830 main
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x1d3f830)
>> #20 0x00000000008b9ea0 __libc_start_main
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x8b9ea0)
>> #21 0x000000000086cc38 _start
>> (/opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9+0x86cc38)
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9(_ZN4llvm3sys15PrintStackTraceERNS_11raw_ostreamE+0x28)[0x15c2188]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9(_ZN4llvm3sys17RunSignalHandlersEv+0x48)[0x15c0750]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9[0x15c0870]
>> [0xffffad5f066c]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9[0x14228f8]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9(_ZN4llvm10sinkRegionEPNS_15DomTreeNodeBaseINS_10BasicBlockEEEPNS_9AAResultsEPNS_8LoopInfoEPNS_13DominatorTreeEPNS_17TargetLibraryInfoEPNS_19TargetTransformInfoEPNS_4LoopEPNS_15AliasSetTrackerEPNS_16MemorySSAUpdaterEPNS_17ICFLoopSafetyInfoERNS_21SinkAndHoistLICMFlagsEPNS_25OptimizationRemarkEmitterE+0x488)[0x1424d30]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9[0x1425b60]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9[0x14276b0]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9(_ZN4llvm13LPPassManager13runOnFunctionERNS_8FunctionE+0x6d8)[0x2481a90]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9(_ZN4llvm13FPPassManager13runOnFunctionERNS_8FunctionE+0x458)[0x10c98e8]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9[0x24559b8]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9(_ZN4llvm6legacy15PassManagerImpl3runERNS_6ModuleE+0x2fc)[0x10c8d14]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9(_ZN5clang17EmitBackendOutputERNS_17DiagnosticsEngineERKNS_19HeaderSearchOptionsERKNS_14CodeGenOptionsERKNS_13TargetOptionsERKNS_11LangOptionsERKN4llvm10DataLayoutEPNSE_6ModuleENS_13BackendActionESt10unique_ptrINSE_17raw_pwrite_streamESt14default_deleteISM_EE+0x5a4)[0x17f3e74]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9[0x21ae9dc]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9(_ZN5clang8ParseASTERNS_4SemaEbb+0x3dc)[0x2ce0ecc]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9(_ZN5clang14FrontendAction7ExecuteEv+0xa0)[0x1c8c5e0]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9(_ZN5clang16CompilerInstance13ExecuteActionERNS_14FrontendActionE+0x268)[0x1c55c80]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9(_ZN5clang25ExecuteCompilerInvocationEPNS_16CompilerInstanceE+0x5d0)[0x1d3f830]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9(_Z8cc1_mainN4llvm8ArrayRefIPKcEES2_Pv+0x530)[0x8b9ea0]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9(main+0x2170)[0x86cc38]
>> /lib64/libc.so.6(__libc_start_main+0xf0)[0xffffad0615d4]
>>
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/llvm-bin/clang-9[0x8b7f14]
>> clang-9: error: unable to execute command: Segmentation fault (core
>> dumped)
>> clang-9: error: clang frontend command failed due to signal (use -v to
>> see invocation)
>> Arm C/C++/Fortran Compiler version 20.0 (build number 51) (based on LLVM
>> 9.0.1)
>> Target: aarch64-unknown-linux-gnu
>> Thread model: posix
>> InstalledDir:
>> /opt/arm/arm-linux-compiler-20.0_Generic-AArch64_RHEL-7_aarch64-linux/bin
>> clang-9: note: diagnostic msg: PLEASE submit a bug report to
>> support-hpc-sw at arm.com including:
>> 1. This complete error report (product information and crash backtrace)
>> 2. System platform (for example, the output from 'cat /etc/issue')
>> 3. Preprocessed source (listed below where available)
>> 4. Associated run script (listed below where available)
>> clang-9: note: diagnostic msg:
>> ********************
>>
>> PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
>> Preprocessed source(s) and associated run script(s) are located at:
>> clang-9: note: diagnostic msg: /tmp/Writer-db2167.cpp
>> clang-9: note: diagnostic msg: /tmp/Writer-db2167.sh
>> clang-9: note: diagnostic msg:
>>
>> ********************
>> _______________________________________________
>> LLVM Developers mailing list
>> llvm-dev at lists.llvm.org
>> https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>>
>
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