Clang-16 frontend crash with mpv-git

[ms178]

Compiling mpv-git with Clang-16 (7d26f9e) on CachyOS, I get the following two stack dumps:

1. First dump:

Stack dump:
0.      Program arguments: clang -O3 -march=native -mtune=native -mllvm -polly -mllvm -polly-position=early -mllvm -polly-parallel=true -fopenmp -fopenmp-version=50 -mllvm -polly-dependences-computeout=5000000 -mllvm -polly-detect-profitability-min-per-loop-insts=40 -mllvm -polly-tiling=true -mllvm -polly-prevect-width=256 -mllvm -polly-vectorizer=stripmine -mllvm -polly-omp-backend=LLVM -mllvm -polly-num-threads=36 -mllvm -polly-scheduling=dynamic -mllvm -polly-scheduling-chunksize=1 -mllvm -polly-invariant-load-hoisting -mllvm -polly-loopfusion-greedy -mllvm -polly-run-inliner -mllvm -polly-run-dce -mllvm -polly-enable-delicm=true -mllvm -extra-vectorizer-passes -mllvm -enable-cond-stores-vec -mllvm -slp-vectorize-hor-store -mllvm -enable-loopinterchange -mllvm -enable-loop-distribute -mllvm -enable-unroll-and-jam -mllvm -enable-loop-flatten -mllvm -interleave-small-loop-scalar-reduction -mllvm -unroll-runtime-multi-exit -mllvm -aggressive-ext-opt -fno-math-errno -fno-trapping-math -falign-functions=32 -funroll-loops -fno-semantic-interposition -fcf-protection=none -mharden-sls=none -fomit-frame-pointer -mprefer-vector-width=256 -flto -fgnuc-version=10.5.0 -D_ISOC99_SOURCE -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -std=c11 -O2 -Werror=implicit-function-declaration -Wno-error=deprecated-declarations -Wno-error=unused-function -Wempty-body -Wdisabled-optimization -Wstrict-prototypes -Wno-format-zero-length -Werror=format-security -Wno-redundant-decls -Wvla -Wimplicit-fallthrough -fno-math-errno -Wall -Wundef -Wmissing-prototypes -Wshadow -Wno-switch -Wparentheses -Wpointer-arith -Wno-pointer-sign -Wno-unused-result -Wno-logical-op-parentheses -fcolor-diagnostics -Wno-tautological-compare -Wno-tautological-constant-out-of-range-compare -DNO_BUILD_TIMESTAMPS -pthread -pthread -pthread -pthread -I. -I.. -I/usr/include/lua5.2 -I/usr/include/libdrm -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/sysprof-4 -I/usr/include/fribidi -I/usr/include/pipewire-0.3 -I/usr/include/spa-0.2 -I/usr/include/uchardet -I/usr/include/AL -I/usr/include/libxml2 -I/usr/include/spirv_cross -D_REENTRANT -D_REENTRANT -D_REENTRANT ../video/repack.c -c -o/tmp/makepkg/mpv-full-git/src/mpv/build/video/repack.c.37.o -D_FORTIFY_SOURCE=0
1.      <eof> parser at end of file
2.      Optimizer
 #0 0x00007f3fafc8a344 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/usr/bin/../lib/libLLVM-16git.so+0x228a344)
 #1 0x00007f3fafc89230 llvm::sys::RunSignalHandlers() (/usr/bin/../lib/libLLVM-16git.so+0x2289230)
 #2 0x00007f3fafb7b71d (/usr/bin/../lib/libLLVM-16git.so+0x217b71d)
 #3 0x00007f3fafb7b48c (/usr/bin/../lib/libLLVM-16git.so+0x217b48c)
 #4 0x00007f3faba1efd0 (/usr/bin/../lib/libc.so.6+0x21efd0)
 #5 0x00007f3fb13bf658 llvm::slpvectorizer::BoUpSLP::setInsertPointAfterBundle(llvm::slpvectorizer::BoUpSLP::TreeEntry const*) (/usr/bin/../lib/libLLVM-16git.so+0x39bf658)
 #6 0x00007f3fb13c1643 llvm::slpvectorizer::BoUpSLP::vectorizeTree(llvm::slpvectorizer::BoUpSLP::TreeEntry*) (/usr/bin/../lib/libLLVM-16git.so+0x39c1643)
 #7 0x00007f3fb13c634b llvm::slpvectorizer::BoUpSLP::vectorizeTree(llvm::MapVector<llvm::Value*, llvm::SmallVector<llvm::Instruction*, 2u>, llvm::DenseMap<llvm::Value*, unsigned int, llvm::DenseMapInfo<llvm::Value*, void>, llvm::detail::DenseMapPair<llvm::Value*, unsigned int>>, std::vector<std::pair<llvm::Value*, llvm::SmallVector<llvm::Instruction*, 2u>>, std::allocator<std::pair<llvm::Value*, llvm::SmallVector<llvm::Instruction*, 2u>>>>>&, llvm::Instruction*) (/usr/bin/../lib/libLLVM-16git.so+0x39c634b)
 #8 0x00007f3fb13ed309 (/usr/bin/../lib/libLLVM-16git.so+0x39ed309)
 #9 0x00007f3fb13e404f llvm::SLPVectorizerPass::vectorizeHorReduction(llvm::PHINode*, llvm::Value*, llvm::BasicBlock*, llvm::slpvectorizer::BoUpSLP&, llvm::TargetTransformInfo*, llvm::SmallVectorImpl<llvm::WeakTrackingVH>&) (/usr/bin/../lib/libLLVM-16git.so+0x39e404f)
#10 0x00007f3fb13e0fdb llvm::SLPVectorizerPass::vectorizeRootInstruction(llvm::PHINode*, llvm::Value*, llvm::BasicBlock*, llvm::slpvectorizer::BoUpSLP&, llvm::TargetTransformInfo*) (/usr/bin/../lib/libLLVM-16git.so+0x39e0fdb)
#11 0x00007f3fb13dbe03 llvm::SLPVectorizerPass::vectorizeChainsInBlock(llvm::BasicBlock*, llvm::slpvectorizer::BoUpSLP&) (/usr/bin/../lib/libLLVM-16git.so+0x39dbe03)
#12 0x00007f3fb13d9835 llvm::SLPVectorizerPass::runImpl(llvm::Function&, llvm::ScalarEvolution*, llvm::TargetTransformInfo*, llvm::TargetLibraryInfo*, llvm::AAResults*, llvm::LoopInfo*, llvm::DominatorTree*, llvm::AssumptionCache*, llvm::DemandedBits*, llvm::OptimizationRemarkEmitter*) (/usr/bin/../lib/libLLVM-16git.so+0x39d9835)
#13 0x00007f3fb13d8ae8 llvm::SLPVectorizerPass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/usr/bin/../lib/libLLVM-16git.so+0x39d8ae8)
#14 0x00007f3fb28708cd (/usr/bin/../lib/libLLVM-16git.so+0x4e708cd)
#15 0x00007f3fafed09c7 llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/usr/bin/../lib/libLLVM-16git.so+0x24d09c7)
#16 0x00007f3fb20eaf2d (/usr/bin/../lib/libLLVM-16git.so+0x46eaf2d)
#17 0x00007f3fafed59d3 llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/usr/bin/../lib/libLLVM-16git.so+0x24d59d3)
#18 0x00007f3fb20ee30d (/usr/bin/../lib/libLLVM-16git.so+0x46ee30d)
#19 0x00007f3fafece4de llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/usr/bin/../lib/libLLVM-16git.so+0x24ce4de)
#20 0x00007f3fb60aa6ce (/usr/bin/../lib/libclang-cpp.so.16git+0x28aa6ce)
#21 0x00007f3fb60a34d8 clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>) (/usr/bin/../lib/libclang-cpp.so.16git+0x28a34d8)
#22 0x00007f3fb648f1d6 (/usr/bin/../lib/libclang-cpp.so.16git+0x2c8f1d6)
#23 0x00007f3fb4dd8cca clang::ParseAST(clang::Sema&, bool, bool) (/usr/bin/../lib/libclang-cpp.so.16git+0x15d8cca)
#24 0x00007f3fb70d5d77 clang::FrontendAction::Execute() (/usr/bin/../lib/libclang-cpp.so.16git+0x38d5d77)
#25 0x00007f3fb704adb0 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/usr/bin/../lib/libclang-cpp.so.16git+0x384adb0)
#26 0x00007f3fb71594ef clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/usr/bin/../lib/libclang-cpp.so.16git+0x39594ef)
#27 0x00000000004173bf cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/usr/bin/clang-16+0x4173bf)
#28 0x000000000041456d (/usr/bin/clang-16+0x41456d)
#29 0x00007f3fb6c43652 clang::driver::CC1Command::setEnvironment(llvm::ArrayRef<char const*>) (/usr/bin/../lib/libclang-cpp.so.16git+0x3443652)
#30 0x00007f3fafb7b8ee llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/usr/bin/../lib/libLLVM-16git.so+0x217b8ee)
#31 0x00007f3fb6c435ab clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const (/usr/bin/../lib/libclang-cpp.so.16git+0x34435ab)
#32 0x00007f3fb6bffc33 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/usr/bin/../lib/libclang-cpp.so.16git+0x33ffc33)
#33 0x00007f3fb6c3f51c clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/usr/bin/../lib/libclang-cpp.so.16git+0x343f51c)
#34 0x0000000000412b66 clang_main(int, char**) (/usr/bin/clang-16+0x412b66)
#35 0x00007f3faba01a47 (/usr/bin/../lib/libc.so.6+0x201a47)
#36 0x00007f3faba01b04 __libc_start_main (/usr/bin/../lib/libc.so.6+0x201b04)
#37 0x000000000040e0a1 _start (/usr/bin/clang-16+0x40e0a1)
clang-16: error: clang frontend command failed with exit code 139 (use -v to see invocation)
clang version 16.0.0 (/home/marcus/Downloads/llvm-git/llvm-project 7d26f9e1329f981ed43eb31f66891702de2f6470)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
clang-16: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-16: note: diagnostic msg: /tmp/repack-0d5953.c
clang-16: note: diagnostic msg: /tmp/repack-0d5953.sh

repack-0d5953.c.txt
repack-0d5953.sh.txt

2. Second dump:

Stack dump:
0.      Program arguments: clang -O3 -march=native -mtune=native -mllvm -polly -mllvm -polly-position=early -mllvm -polly-parallel=true -fopenmp -fopenmp-version=50 -mllvm -polly-dependences-computeout=5000000 -mllvm -polly-detect-profitability-min-per-loop-insts=40 -mllvm -polly-tiling=true -mllvm -polly-prevect-width=256 -mllvm -polly-vectorizer=stripmine -mllvm -polly-omp-backend=LLVM -mllvm -polly-num-threads=36 -mllvm -polly-scheduling=dynamic -mllvm -polly-scheduling-chunksize=1 -mllvm -polly-invariant-load-hoisting -mllvm -polly-loopfusion-greedy -mllvm -polly-run-inliner -mllvm -polly-run-dce -mllvm -polly-enable-delicm=true -mllvm -extra-vectorizer-passes -mllvm -enable-cond-stores-vec -mllvm -slp-vectorize-hor-store -mllvm -enable-loopinterchange -mllvm -enable-loop-distribute -mllvm -enable-unroll-and-jam -mllvm -enable-loop-flatten -mllvm -interleave-small-loop-scalar-reduction -mllvm -unroll-runtime-multi-exit -mllvm -aggressive-ext-opt -fno-math-errno -fno-trapping-math -falign-functions=32 -funroll-loops -fno-semantic-interposition -fcf-protection=none -mharden-sls=none -fomit-frame-pointer -mprefer-vector-width=256 -flto -fgnuc-version=10.5.0 -D_ISOC99_SOURCE -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -std=c11 -O2 -Werror=implicit-function-declaration -Wno-error=deprecated-declarations -Wno-error=unused-function -Wempty-body -Wdisabled-optimization -Wstrict-prototypes -Wno-format-zero-length -Werror=format-security -Wno-redundant-decls -Wvla -Wimplicit-fallthrough -fno-math-errno -Wall -Wundef -Wmissing-prototypes -Wshadow -Wno-switch -Wparentheses -Wpointer-arith -Wno-pointer-sign -Wno-unused-result -Wno-logical-op-parentheses -fcolor-diagnostics -Wno-tautological-compare -Wno-tautological-constant-out-of-range-compare -DNO_BUILD_TIMESTAMPS -fPIC -pthread -pthread -pthread -pthread -I. -I.. -I/usr/include/lua5.2 -I/usr/include/libdrm -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/sysprof-4 -I/usr/include/fribidi -I/usr/include/pipewire-0.3 -I/usr/include/spa-0.2 -I/usr/include/uchardet -I/usr/include/AL -I/usr/include/libxml2 -I/usr/include/spirv_cross -D_REENTRANT -D_REENTRANT -D_REENTRANT ../video/repack.c -c -o/tmp/makepkg/mpv-full-git/src/mpv/build/video/repack.c.43.o -D_FORTIFY_SOURCE=0
1.      <eof> parser at end of file
2.      Optimizer
 #0 0x00007fc72ce8a344 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/usr/bin/../lib/libLLVM-16git.so+0x228a344)
 #1 0x00007fc72ce89230 llvm::sys::RunSignalHandlers() (/usr/bin/../lib/libLLVM-16git.so+0x2289230)
 #2 0x00007fc72cd7b71d (/usr/bin/../lib/libLLVM-16git.so+0x217b71d)
 #3 0x00007fc72cd7b48c (/usr/bin/../lib/libLLVM-16git.so+0x217b48c)
 #4 0x00007fc728c1efd0 (/usr/bin/../lib/libc.so.6+0x21efd0)
 #5 0x00007fc72e5bf658 llvm::slpvectorizer::BoUpSLP::setInsertPointAfterBundle(llvm::slpvectorizer::BoUpSLP::TreeEntry const*) (/usr/bin/../lib/libLLVM-16git.so+0x39bf658)
 #6 0x00007fc72e5c1643 llvm::slpvectorizer::BoUpSLP::vectorizeTree(llvm::slpvectorizer::BoUpSLP::TreeEntry*) (/usr/bin/../lib/libLLVM-16git.so+0x39c1643)
 #7 0x00007fc72e5c634b llvm::slpvectorizer::BoUpSLP::vectorizeTree(llvm::MapVector<llvm::Value*, llvm::SmallVector<llvm::Instruction*, 2u>, llvm::DenseMap<llvm::Value*, unsigned int, llvm::DenseMapInfo<llvm::Value*, void>, llvm::detail::DenseMapPair<llvm::Value*, unsigned int>>, std::vector<std::pair<llvm::Value*, llvm::SmallVector<llvm::Instruction*, 2u>>, std::allocator<std::pair<llvm::Value*, llvm::SmallVector<llvm::Instruction*, 2u>>>>>&, llvm::Instruction*) (/usr/bin/../lib/libLLVM-16git.so+0x39c634b)
 #8 0x00007fc72e5ed309 (/usr/bin/../lib/libLLVM-16git.so+0x39ed309)
 #9 0x00007fc72e5e404f llvm::SLPVectorizerPass::vectorizeHorReduction(llvm::PHINode*, llvm::Value*, llvm::BasicBlock*, llvm::slpvectorizer::BoUpSLP&, llvm::TargetTransformInfo*, llvm::SmallVectorImpl<llvm::WeakTrackingVH>&) (/usr/bin/../lib/libLLVM-16git.so+0x39e404f)
#10 0x00007fc72e5e0fdb llvm::SLPVectorizerPass::vectorizeRootInstruction(llvm::PHINode*, llvm::Value*, llvm::BasicBlock*, llvm::slpvectorizer::BoUpSLP&, llvm::TargetTransformInfo*) (/usr/bin/../lib/libLLVM-16git.so+0x39e0fdb)
#11 0x00007fc72e5dbe03 llvm::SLPVectorizerPass::vectorizeChainsInBlock(llvm::BasicBlock*, llvm::slpvectorizer::BoUpSLP&) (/usr/bin/../lib/libLLVM-16git.so+0x39dbe03)
#12 0x00007fc72e5d9835 llvm::SLPVectorizerPass::runImpl(llvm::Function&, llvm::ScalarEvolution*, llvm::TargetTransformInfo*, llvm::TargetLibraryInfo*, llvm::AAResults*, llvm::LoopInfo*, llvm::DominatorTree*, llvm::AssumptionCache*, llvm::DemandedBits*, llvm::OptimizationRemarkEmitter*) (/usr/bin/../lib/libLLVM-16git.so+0x39d9835)
#13 0x00007fc72e5d8ae8 llvm::SLPVectorizerPass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/usr/bin/../lib/libLLVM-16git.so+0x39d8ae8)
#14 0x00007fc72fa708cd (/usr/bin/../lib/libLLVM-16git.so+0x4e708cd)
#15 0x00007fc72d0d09c7 llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/usr/bin/../lib/libLLVM-16git.so+0x24d09c7)
#16 0x00007fc72f2eaf2d (/usr/bin/../lib/libLLVM-16git.so+0x46eaf2d)
#17 0x00007fc72d0d59d3 llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/usr/bin/../lib/libLLVM-16git.so+0x24d59d3)
#18 0x00007fc72f2ee30d (/usr/bin/../lib/libLLVM-16git.so+0x46ee30d)
#19 0x00007fc72d0ce4de llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/usr/bin/../lib/libLLVM-16git.so+0x24ce4de)
#20 0x00007fc7332aa6ce (/usr/bin/../lib/libclang-cpp.so.16git+0x28aa6ce)
#21 0x00007fc7332a34d8 clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>) (/usr/bin/../lib/libclang-cpp.so.16git+0x28a34d8)
#22 0x00007fc73368f1d6 (/usr/bin/../lib/libclang-cpp.so.16git+0x2c8f1d6)
#23 0x00007fc731fd8cca clang::ParseAST(clang::Sema&, bool, bool) (/usr/bin/../lib/libclang-cpp.so.16git+0x15d8cca)
#24 0x00007fc7342d5d77 clang::FrontendAction::Execute() (/usr/bin/../lib/libclang-cpp.so.16git+0x38d5d77)
#25 0x00007fc73424adb0 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/usr/bin/../lib/libclang-cpp.so.16git+0x384adb0)
#26 0x00007fc7343594ef clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/usr/bin/../lib/libclang-cpp.so.16git+0x39594ef)
#27 0x00000000004173bf cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/usr/bin/clang-16+0x4173bf)
#28 0x000000000041456d (/usr/bin/clang-16+0x41456d)
#29 0x00007fc733e43652 clang::driver::CC1Command::setEnvironment(llvm::ArrayRef<char const*>) (/usr/bin/../lib/libclang-cpp.so.16git+0x3443652)
#30 0x00007fc72cd7b8ee llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/usr/bin/../lib/libLLVM-16git.so+0x217b8ee)
#31 0x00007fc733e435ab clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const (/usr/bin/../lib/libclang-cpp.so.16git+0x34435ab)
#32 0x00007fc733dffc33 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/usr/bin/../lib/libclang-cpp.so.16git+0x33ffc33)
#33 0x00007fc733e3f51c clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/usr/bin/../lib/libclang-cpp.so.16git+0x343f51c)
#34 0x0000000000412b66 clang_main(int, char**) (/usr/bin/clang-16+0x412b66)
#35 0x00007fc728c01a47 (/usr/bin/../lib/libc.so.6+0x201a47)
#36 0x00007fc728c01b04 __libc_start_main (/usr/bin/../lib/libc.so.6+0x201b04)
#37 0x000000000040e0a1 _start (/usr/bin/clang-16+0x40e0a1)
clang-16: error: clang frontend command failed with exit code 139 (use -v to see invocation)
clang version 16.0.0 (/home/marcus/Downloads/llvm-git/llvm-project 7d26f9e1329f981ed43eb31f66891702de2f6470)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
clang-16: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-16: note: diagnostic msg: /tmp/repack-212851.c
clang-16: note: diagnostic msg: /tmp/repack-212851.sh

repack-212851.c.txt
repack-212851.sh.txt

This is the PKGBUILD which includes the build configuration I was using:
PKGBUILD.txt

[alexey-bataev]

Fixed in a9b052e