clang asserts "Attempting to emit S2_mask instruction but the Feature_HasV66 predicate(s) are not met"

[androm3da]

Assertion:

fatal error: error in backend: Attempting to emit S2_mask instruction but the Feature_HasV66 predicate(s) are not met

 0.	Program arguments: /local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang --sysroot /local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/usr/-buildroot-linux-musl/sysroot -Wno-unused-command-line-argument -mcpu=hexagonv60 -std=gnu99 -Os -Wall -Wshadow -Wwrite-strings -Wundef -Wstrict-prototypes -Wunused -Wunused-parameter -Wunused-function -Wunused-value -Wmissing-prototypes -Wmissing-declarations -Wno-format-security -Wdeclaration-after-statement -Wold-style-definition -fno-builtin-strlen -finline-limit=0 -fomit-frame-pointer -ffunction-sections -fdata-sections -funsigned-char -static-libgcc -falign-functions=1 -falign-jumps=1 -falign-labels=1 -falign-loops=1 -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-builtin-printf -Os -fcolor-diagnostics -c -o editors/awk.o /local/mnt/workspace/sidneym/ccache/tmp/awk.stdout.hu-sidneym-lv.1543331.wsPH6O.i
1.	<eof> parser at end of file
2.	Code generation
3.	Running pass 'Function Pass Manager' on module 'editors/awk.c'.
4.	Running pass 'Hexagon Assembly Printer' on function '@next_token'
#0 0x000055987f001ae7 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x33dbae7)
#1 0x000055987efff84e llvm::sys::RunSignalHandlers() (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x33d984e)
#2 0x000055987ef84026 (anonymous namespace)::CrashRecoveryContextImpl::HandleCrash(int, unsigned long) CrashRecoveryContext.cpp:0:0
#3 0x000055987ef83fcf llvm::CrashRecoveryContext::HandleExit(int) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x335dfcf)
#4 0x000055987effc977 llvm::sys::Process::Exit(int, bool) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x33d6977)
#5 0x000055987dff1102 (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x23cb102)
#6 0x000055987ef89a23 llvm::report_fatal_error(llvm::Twine const&, bool) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x3363a23)
#7 0x000055987ef898d6 (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x33638d6)
#8 0x000055987e1e11ca llvm::Hexagon_MC::verifyInstructionPredicates(unsigned int, llvm::FeatureBitset const&) HexagonMCTargetDesc.cpp:0:0
#9 0x000055987dffebee llvm::HexagonAsmPrinter::emitInstruction(llvm::MachineInstr const*) HexagonAsmPrinter.cpp:0:0
#10 0x000055987ff1170f llvm::AsmPrinter::emitFunctionBody() (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x42eb70f)
#11 0x000055987dfff100 llvm::HexagonAsmPrinter::runOnMachineFunction(llvm::MachineFunction&) HexagonAsmPrinter.cpp:0:0
#12 0x000055987e5428ac llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x291c8ac)
#13 0x000055987eb48025 llvm::FPPassManager::runOnFunction(llvm::Function&) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x2f22025)
#14 0x000055987eb4fb01 llvm::FPPassManager::runOnModule(llvm::Module&) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x2f29b01)
#15 0x000055987eb48a26 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x2f22a26)
#16 0x000055987f7d74f1 clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>, std::__1::unique_ptr<llvm::raw_pwrite_stream, std::__1::default_delete<llvm::raw_pwrite_stream>>, clang::BackendConsumer*) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x3bb14f1)
#17 0x000055987f7fd907 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x3bd7907)
#18 0x0000559881554ec7 clang::ParseAST(clang::Sema&, bool, bool) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x592eec7)
#19 0x000055987fc88cd0 clang::FrontendAction::Execute() (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x4062cd0)
#20 0x000055987fc037df clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x3fdd7df)
#21 0x000055987fd6845a clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x414245a)
#22 0x000055987dff0c9b cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x23cac9b)
#23 0x000055987dfed461 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&) driver.cpp:0:0
#24 0x000055987fa30289 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<std::__1::optional<llvm::StringRef>>, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>*, bool*) const::$_1>(long) Job.cpp:0:0
#25 0x000055987ef83f6b llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x335df6b)
#26 0x000055987fa2fc50 clang::driver::CC1Command::Execute(llvm::ArrayRef<std::__1::optional<llvm::StringRef>>, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>*, bool*) const (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x3e09c50)
#27 0x000055987f9eb1ea clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x3dc51ea)
#28 0x000055987f9eb4de clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::__1::pair<int, clang::driver::Command const*>>&, bool) const (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x3dc54de)
#29 0x000055987fa0bf80 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::__1::pair<int, clang::driver::Command const*>>&) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x3de5f80)
#30 0x000055987dfec88b clang_main(int, char**, llvm::ToolContext const&) (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x23c688b)
#31 0x000055987dffc6f7 main (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x23d66f7)
#32 0x00007f2f76514d90 __libc_start_call_main ./csu/../sysdeps/nptl/libc_start_call_main.h:58:16
#33 0x00007f2f76514e40 call_init ./csu/../csu/libc-start.c:128:20
#34 0x00007f2f76514e40 __libc_start_main ./csu/../csu/libc-start.c:379:5
#35 0x000055987dfeade5 _start (/local/mnt/workspace/tmp/X2/QEMU_H2_LINUX/BUILDROOT/pub/host/opt/ext-toolchain/bin/hexagon-unknown-linux-musl-clang+0x23c4de5)
hexagon-unknown-linux-musl-clang: error: clang frontend command failed with exit code 70 (use -v to see invocation)
clang version 20.0.0git (
https://github.com/llvm/llvm-project
ca7368d839c1b067bbb30b4c91dc4d5f79d30bda)

This issue was fixed by cc90830

[androm3da]

/cherry-pick cc90830

[llvmbot]

Failed to cherry-pick: cc90830

https://github.com/llvm/llvm-project/actions/runs/10929633976

Please manually backport the fix and push it to your github fork. Once this is done, please create a pull request

[androm3da]

Sorry, my mistake. This fix is only required after #92365 landed, which is absent from release 19.x.

Please disregard.