<div dir="ltr">Hi,
<br>Building my C++ application with the latest LLVM/Clang fails with the
following error:
<br>
<br>$ make
<br>Scanning dependencies of target nestutil
<br>[ 0%] Building CXX object
libnestutil/CMakeFiles/nestutil.dir/stopwatch.cpp.o
<br>[ 1%] Building CXX object
libnestutil/CMakeFiles/nestutil.dir/numerics.cpp.o
<br>[ 1%] Building CXX object
libnestutil/CMakeFiles/nestutil.dir/propagator_stability.cpp.o
<br>[ 2%] Building CXX object
libnestutil/CMakeFiles/nestutil.dir/logging_event.cpp.o
<br>[ 2%] Linking CXX shared library libnestutil.so
<br>[ 2%] Built target nestutil
<br>Scanning dependencies of target sli_lib
<br>[ 2%] Building CXX object sli/CMakeFiles/sli_lib.dir/allocator.cpp.o
<br>[ 3%] Building CXX object sli/CMakeFiles/sli_lib.dir/arraydatum.cc.o
<br>no definition for emitted function
<br>UNREACHABLE executed at
/gpfs/work/pcp0/pcp0151/projects/llvm/tools/clang/lib/CodeGen/CodeGenFunction.cpp:1355!
<br>Stack dump:
<br>0. Program arguments:
/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8 -cc1 -triple
nvptx64-nvidia-cuda -aux-triple powerpc64le-unknown-linux-gnu -S
-disable-free -main-file-name arraydatum.cc -mrelocation-model pic
-pic-level 2 -mthread-model posix -mdisable-fp-elim -no-integrated-as
-fuse-init-array -mlink-cuda-bitcode
/gpfs/software/opt/cuda/8.0.61/nvvm/libdevice/libdevice.compute_30.10.bc
-target-feature +ptx42 -mlink-cuda-bitcode
/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/lib/libomptarget-nvptx-sm_60.bc
-target-cpu sm_60 -dwarf-column-info -debugger-tuning=gdb -resource-dir
/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/lib/clang/8.0.0 -D
sli_lib_EXPORTS -I /bgsys/drivers/ppcfloor/comm/gcc/include -I
/gpfs/software/opt/gsl/2.4/include -I
/gpfs/homeb/pcp0/pcp0151/projects/nest-simulator/libnestutil -I
/gpfs/work/pcp0/pcp0151/build/nest-clang-upstream/libnestutil
-I/gpfs/software/opt/gcc/5.4.0/include
-I/gpfs/software/opt/cuda/8.0.61/extras/CUPTI/include
-I/gpfs/software/opt/cuda/8.0.61/nvvm/include
-I/gpfs/software/opt/cuda/8.0.61/include
-I/gpfs/software/opt/cubegui/4.4-TP3/include
-I/gpfs/software/opt/cubelib/4.4-TP3/include
-I/gpfs/software/opt/scalasca/2.3.1-gnu5.4-ompi2.0.0/include
-I/gpfs/software/opt/gsl/2.4/include -internal-isystem
/usr/lib/gcc/ppc64le-redhat-linux/4.8.5/../../../../include/c++/4.8.5
-internal-isystem
/usr/lib/gcc/ppc64le-redhat-linux/4.8.5/../../../../include/c++/4.8.5/ppc64le-redhat-linux
-internal-isystem
/usr/lib/gcc/ppc64le-redhat-linux/4.8.5/../../../../include/c++/4.8.5/backward
-internal-isystem
/usr/lib/gcc/ppc64le-redhat-linux/4.8.5/../../../../include/c++/4.8.5
-internal-isystem
/usr/lib/gcc/ppc64le-redhat-linux/4.8.5/../../../../include/c++/4.8.5/ppc64le-redhat-linux
-internal-isystem
/usr/lib/gcc/ppc64le-redhat-linux/4.8.5/../../../../include/c++/4.8.5/backward
-internal-isystem /usr/local/include -internal-isystem
/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/lib/clang/8.0.0/include
-internal-externc-isystem /include -internal-externc-isystem
/usr/include -internal-isystem /usr/local/include -internal-isystem
/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/lib/clang/8.0.0/include
-internal-externc-isystem /include -internal-externc-isystem
/usr/include -O2 -Wall -std=c++11 -fdeprecated-macro
-fno-dwarf-directory-asm -fdebug-compilation-dir
/gpfs/work/pcp0/pcp0151/build/nest-clang-upstream/sli -ferror-limit 19
-fmessage-length 95 -fopenmp -fobjc-runtime=gcc -fcxx-exceptions
-fexceptions -fdiagnostics-show-option -fcolor-diagnostics
-vectorize-loops -vectorize-slp -o /tmp/arraydatum-5dbb9f.s -x c++
/gpfs/homeb/pcp0/pcp0151/projects/nest-simulator/sli/arraydatum.cc
-fopenmp-is-device -fopenmp-host-ir-file-path /tmp/arraydatum-820a98.bc
<br>1. <eof> parser at end of file
<br>2. Per-file LLVM IR generation
<br>3.
/usr/lib/gcc/ppc64le-redhat-linux/4.8.5/../../../../include/c++/4.8.5/ppc64le-redhat-linux/bits/gthr-default.h:236:1
<Spelling=<scratch space>:14:1>: Generating code for
declaration '__gthrw___pthread_key_create'
<br>#0 0x0000000012161e24 PrintStackTraceSignalHandler(void*)
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x12161e24)
<br>#1 0x000000001215f068 llvm::sys::RunSignalHandlers()
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x1215f068)
<br>#2 0x0000000012162108 SignalHandler(int)
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x12162108)
<br>#3 0x00003fff996f0478 0x478 __GI_abort
<br>#4 0x00003fff996f0478
<br>#5 0x00003fff996f0478 llvm::llvm_unreachable_internal(char const*, char
const*, unsigned int) (+0x478)
<br>#6 0x00003fff990d1494
clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl,
llvm::Function*, clang::CodeGen::CGFunctionInfo const&)
(/lib64/libc.so.6+0x41494)
<br>#7 0x00000000120f9f24
clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl,
llvm::GlobalValue*)
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x120f9f24)
<br>#8 0x0000000012445368
clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl,
llvm::GlobalValue*)
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x12445368)
<br>#9 0x0000000012466c2c clang::CodeGen::CodeGenModule::EmitDeferred()
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x12466c2c)
<br>#10 0x000000001245d6c4 clang::CodeGen::CodeGenModule::EmitDeferred()
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x1245d6c4)
<br>#11 0x0000000012451ed8 clang::CodeGen::CodeGenModule::EmitDeferred()
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x12451ed8)
<br>#12 0x0000000012451f04 clang::CodeGen::CodeGenModule::EmitDeferred()
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x12451f04)
<br>#13 0x0000000012451f04 clang::CodeGen::CodeGenModule::EmitDeferred()
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x12451f04)
<br>#14 0x0000000012451f04 clang::CodeGen::CodeGenModule::EmitDeferred()
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x12451f04)
<br>#15 0x0000000012451f04 clang::CodeGen::CodeGenModule::EmitDeferred()
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x12451f04)
<br>#16 0x0000000012451f04 clang::CodeGen::CodeGenModule::Release()
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x12451f04)
<br>#17 0x0000000012451f04 (anonymous
namespace)::CodeGeneratorImpl::HandleTranslationUnit(clang::ASTContext&)
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x12451f04)
<br>#18 0x0000000012451284
clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&)
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x12451284)
<br>#19 0x0000000012cd5914 clang::ParseAST(clang::Sema&, bool, bool)
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x12cd5914)
<br>#20 0x0000000012cd168c clang::ASTFrontendAction::ExecuteAction()
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x12cd168c)
<br>#21 0x0000000013637784 clang::CodeGenAction::ExecuteAction()
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x13637784)
<br>#22 0x00000000128cdebc clang::FrontendAction::Execute()
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x128cdebc)
<br>#23 0x0000000012cd025c
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x12cd025c)
<br>#24 0x00000000128cd540
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x128cd540)
<br>#25 0x00000000128806f4 cc1_main(llvm::ArrayRef<char const*>, char
const*, void*)
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x128806f4)
<br>#26 0x00000000129943b8 main
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x129943b8)
<br>#27 0x000000001054e5d4 generic_start_main.isra.0
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x1054e5d4)
<br>#28 0x000000001054ae90 __libc_start_main
(/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8+0x1054ae90)
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8[0x12161e24]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN4llvm3sys17RunSignalHandlersEv+0xc8)[0x1215f068]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8[0x12162108]
<br>[0x3fff996f0478]
<br>/lib64/libc.so.6(abort+0x2b4)[0x3fff990d1494]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN4llvm25llvm_unreachable_internalEPKcS1_j+0x2c4)[0x120f9f24]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang7CodeGen15CodeGenFunction12GenerateCodeENS_10GlobalDeclEPN4llvm8FunctionERKNS0_14CGFunctionInfoE+0x9d8)[0x12445368]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang7CodeGen13CodeGenModule28EmitGlobalFunctionDefinitionENS_10GlobalDeclEPN4llvm11GlobalValueE+0x20c)[0x12466c2c]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang7CodeGen13CodeGenModule20EmitGlobalDefinitionENS_10GlobalDeclEPN4llvm11GlobalValueE+0xe4)[0x1245d6c4]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang7CodeGen13CodeGenModule12EmitDeferredEv+0x148)[0x12451ed8]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang7CodeGen13CodeGenModule12EmitDeferredEv+0x174)[0x12451f04]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang7CodeGen13CodeGenModule12EmitDeferredEv+0x174)[0x12451f04]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang7CodeGen13CodeGenModule12EmitDeferredEv+0x174)[0x12451f04]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang7CodeGen13CodeGenModule12EmitDeferredEv+0x174)[0x12451f04]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang7CodeGen13CodeGenModule12EmitDeferredEv+0x174)[0x12451f04]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang7CodeGen13CodeGenModule12EmitDeferredEv+0x174)[0x12451f04]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang7CodeGen13CodeGenModule7ReleaseEv+0x34)[0x12451284]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8[0x12cd5914]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8[0x12cd168c]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang8ParseASTERNS_4SemaEbb+0x304)[0x13637784]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang17ASTFrontendAction13ExecuteActionEv+0xdc)[0x128cdebc]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang13CodeGenAction13ExecuteActionEv+0x34c)[0x12cd025c]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang14FrontendAction7ExecuteEv+0xf0)[0x128cd540]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang16CompilerInstance13ExecuteActionERNS_14FrontendActionE+0x504)[0x128806f4]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_ZN5clang25ExecuteCompilerInvocationEPNS_16CompilerInstanceE+0x7f8)[0x129943b8]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(_Z8cc1_mainN4llvm8ArrayRefIPKcEES2_Pv+0x744)[0x1054e5d4]
<br>/gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin/clang-8(main+0x2fd0)[0x1054ae90]
<br>/lib64/libc.so.6(+0x24980)[0x3fff990b4980]
<br>/lib64/libc.so.6(__libc_start_main+0xc4)[0x3fff990b4b74]
<br>clang-8: error: unable to execute command: Aborted (core dumped)
<br>clang-8: error: clang frontend command failed due to signal (use -v to
see invocation)
<br>clang version 8.0.0 (<a class="inbox-inbox-moz-txt-link-freetext" href="https://github.com/llvm-mirror/clang">https://github.com/llvm-mirror/clang</a>
b14b766b1c2e712e1b2ccca1418fb0fbb68d0230)
(<a class="inbox-inbox-moz-txt-link-freetext" href="https://github.com/llvm-mirror/llvm">https://github.com/llvm-mirror/llvm</a>
709fda69699e80166483f87a0273bb3bd04bba69)
<br>Target: powerpc64le-unknown-linux-gnu
<br>Thread model: posix
<br>InstalledDir: /gpfs/work/pcp0/pcp0151/opt/llvm+clang-upstream/bin
<br>clang-8: note: diagnostic msg: PLEASE submit a bug report to
<a class="inbox-inbox-moz-txt-link-freetext" href="https://bugs.llvm.org/">https://bugs.llvm.org/</a> and include the crash backtrace, preprocessed
source, and associated run script.
<br>clang-8: note: diagnostic msg: Error generating preprocessed source(s).
<br>make[2]: *** [sli/CMakeFiles/sli_lib.dir/arraydatum.cc.o] Error 254
<br>make[1]: *** [sli/CMakeFiles/sli_lib.dir/all] Error 2
<br>make: *** [all] Error 2
<br>
<br>Could this be a LLVM/Clang bug?
<br>
<br>Itaru.<br></div>