Date: Wed, 25 Jun 2025 12:06:17 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 287803] clang internal error when building C++20 modules Message-ID: <bug-287803-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=287803 Bug ID: 287803 Summary: clang internal error when building C++20 modules Product: Base System Version: 15.0-CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: ivy@FreeBSD.org FreeBSD clang version 19.1.7 (https://github.com/llvm/llvm-project.git llvmorg-19.1.7-0-gcd708029e0b2) using src ~07313e0f710bf932258cd980e7362366760b9221 (2025-06-21). reproducer to follow shortly. Stack dump: 0. Program arguments: /usr/bin/c++ -cc1 -triple x86_64-unknown-freebsd15.0 -emit-module-interface -disable-free -clear-ast-before-backend -main-file-name real.ccm -mrelocation-model static -mframe-pointer=all -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debug-info-kind=standalone -dwarf-version=4 -debugger-tuning=gdb -fdebug-compilation-dir=/home/lexi/src/nihil/main/build -fcoverage-compilation-dir=/home/lexi/src/nihil/main/build -resource-dir /usr/lib/clang/19 -dependency-file nihil.ucl/CMakeFiles/nihil.ucl.dir/real.ccm.o.d -MT nihil.ucl/CMakeFiles/nihil.ucl.dir/real.ccm.o -sys-header-deps -module-file-deps -I /usr/local/include -internal-isystem /usr/include/c++/v1 -internal-isystem /usr/lib/clang/19/include -internal-externc-isystem /usr/include -W -Wall -Wextra -Werror -Wpedantic -std=gnu++26 -fdeprecated-macro -ferror-limit 19 -fgnuc-version=4.2.1 -fno-implicit-modules -fmodule-file=nihil.ucl:object=nihil.ucl/CMakeFiles/nihil.ucl.dir/nihil.ucl-object.pcm -fmodule-file=nihil=nihil/CMakeFiles/nihil.dir/nihil.pcm -fmodule-file=nihil.ucl:error=nihil.ucl/CMakeFiles/nihil.ucl.dir/nihil.ucl-error.pcm -fmodule-file=nihil.ucl:type=nihil.ucl/CMakeFiles/nihil.ucl.dir/nihil.ucl-type.pcm -fmodule-file=nihil:argv=nihil/CMakeFiles/nihil.dir/nihil-argv.pcm -fmodule-file=nihil:command_map=nihil/CMakeFiles/nihil.dir/nihil-command_map.pcm -fmodule-file=nihil:ctype=nihil/CMakeFiles/nihil.dir/nihil-ctype.pcm -fmodule-file=nihil:ensure_dir=nihil/CMakeFiles/nihil.dir/nihil-ensure_dir.pcm -fmodule-file=nihil:error=nihil/CMakeFiles/nihil.dir/nihil-error.pcm -fmodule-file=nihil:exec=nihil/CMakeFiles/nihil.dir/nihil-exec.pcm -fmodule-file=nihil:fd=nihil/CMakeFiles/nihil.dir/nihil-fd.pcm -fmodule-file=nihil:find_in_path=nihil/CMakeFiles/nihil.dir/nihil-find_in_path.pcm -fmodule-file=nihil:format_filesystem=nihil/CMakeFiles/nihil.dir/nihil-format_filesystem.pcm -fmodule-file=nihil:generator=nihil/CMakeFiles/nihil.dir/nihil-generator.pcm -fmodule-file=nihil:generic_error=nihil/CMakeFiles/nihil.dir/nihil-generic_error.pcm -fmodule-file=nihil:getenv=nihil/CMakeFiles/nihil.dir/nihil-getenv.pcm -fmodule-file=nihil:guard=nihil/CMakeFiles/nihil.dir/nihil-guard.pcm -fmodule-file=nihil:match=nihil/CMakeFiles/nihil.dir/nihil-match.pcm -fmodule-file=nihil:monad=nihil/CMakeFiles/nihil.dir/nihil-monad.pcm -fmodule-file=nihil:next_word=nihil/CMakeFiles/nihil.dir/nihil-next_word.pcm -fmodule-file=nihil:open_file=nihil/CMakeFiles/nihil.dir/nihil-open_file.pcm -fmodule-file=nihil:process=nihil/CMakeFiles/nihil.dir/nihil-process.pcm -fmodule-file=nihil:read_file=nihil/CMakeFiles/nihil.dir/nihil-read_file.pcm -fmodule-file=nihil:skipws=nihil/CMakeFiles/nihil.dir/nihil-skipws.pcm -fmodule-file=nihil:spawn=nihil/CMakeFiles/nihil.dir/nihil-spawn.pcm -fmodule-file=nihil:tabulate=nihil/CMakeFiles/nihil.dir/nihil-tabulate.pcm -fmodule-file=nihil:usage_error=nihil/CMakeFiles/nihil.dir/nihil-usage_error.pcm -fmodule-file=nihil:uuid=nihil/CMakeFiles/nihil.dir/nihil-uuid.pcm -fmodule-file=nihil:write_file=nihil/CMakeFiles/nihil.dir/nihil-write_file.pcm -fskip-odr-check-in-gmf -fcxx-exceptions -fexceptions -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o nihil.ucl/CMakeFiles/nihil.ucl.dir/nihil.ucl-real.pcm -x c++ /home/lexi/src/nihil/main/nihil.ucl/real.ccm 1. <eof> parser at end of file #0 0x000001ffdd3939a9 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/srcmastr/src/lf/main/contrib/llvm-project/llvm/lib/Support/Unix/Signals.inc:0:13 #1 0x000001ffdd391715 llvm::sys::RunSignalHandlers() /home/srcmastr/src/lf/main/contrib/llvm-project/llvm/lib/Support/Signals.cpp:106:18 #2 0x000001ffdd3940b7 SignalHandler /home/srcmastr/src/lf/main/contrib/llvm-project/llvm/lib/Support/Unix/Signals.inc:0:3 #3 0x000001ffe105793c handle_signal /home/srcmastr/src/lf/main/lib/libthr/thread/thr_sig.c:0:3 #4 0x000001ffe1056f0b thr_sighandler /home/srcmastr/src/lf/main/lib/libthr/thread/thr_sig.c:262:1 #5 0x000001ffd2e622d3 ([vdso]+0x2d3) #6 0x000001ffe52e472a thr_kill /build/freebsd/obj/home/srcmastr/src/lf/main/amd64.amd64/lib/libsys/thr_kill.S:4:0 #7 0x000001ffe3596ee4 raise /home/srcmastr/src/lf/main/lib/libc/gen/raise.c:0:10 #8 0x000001ffe364a489 abort /home/srcmastr/src/lf/main/lib/libc/stdlib/abort.c:67:17 #9 0x000001ffe3579e41 (/lib/libc.so.7+0x97e41) #10 0x000001ffd8674391 getLocalOwningModule /home/srcmastr/src/lf/main/contrib/llvm-project/clang/include/clang/AST/DeclBase.h:818:5 #11 0x000001ffd8674391 getOwningModule /home/srcmastr/src/lf/main/contrib/llvm-project/clang/include/clang/AST/DeclBase.h:836:58 #12 0x000001ffd8674391 clang::ASTWriter::wasDeclEmitted(clang::Decl const*) const /home/srcmastr/src/lf/main/contrib/llvm-project/clang/lib/Serialization/ASTWriter.cpp:6288:3 #13 0x000001ffd8689229 clang::ASTWriter::WriteDeclAndTypes(clang::ASTContext&) /home/srcmastr/src/lf/main/contrib/llvm-project/clang/lib/Serialization/ASTWriter.cpp:5711:9 #14 0x000001ffd86848de clang::ASTWriter::WriteASTCore(clang::Sema&, llvm::StringRef, clang::Module*) /home/srcmastr/src/lf/main/contrib/llvm-project/clang/lib/Serialization/ASTWriter.cpp:5519:3 #15 0x000001ffd86836a4 clang::ASTWriter::WriteAST(clang::Sema&, llvm::StringRef, clang::Module*, llvm::StringRef, bool) /home/srcmastr/src/lf/main/contrib/llvm-project/clang/lib/Serialization/ASTWriter.cpp:4885:23 #16 0x000001ffd86e3cd1 operator-> /build/freebsd/obj/home/srcmastr/src/lf/main/amd64.amd64/tmp/usr/include/c++/v1/__memory/shared_ptr.h:744:12 #17 0x000001ffd86e3cd1 clang::PCHGenerator::HandleTranslationUnit(clang::ASTContext&) /home/srcmastr/src/lf/main/contrib/llvm-project/clang/lib/Serialization/GeneratePCH.cpp:77:3 #18 0x000001ffd86e3f1b operator-> /build/freebsd/obj/home/srcmastr/src/lf/main/amd64.amd64/tmp/usr/include/c++/v1/__memory/shared_ptr.h:744:12 #19 0x000001ffd86e3f1b isComplete /home/srcmastr/src/lf/main/contrib/llvm-project/clang/include/clang/Serialization/ASTWriter.h:937:36 #20 0x000001ffd86e3f1b clang::CXX20ModulesGenerator::HandleTranslationUnit(clang::ASTContext&) /home/srcmastr/src/lf/main/contrib/llvm-project/clang/lib/Serialization/GeneratePCH.cpp:122:8 #21 0x000001ffd783dccc operator++ /build/freebsd/obj/home/srcmastr/src/lf/main/amd64.amd64/tmp/usr/include/c++/v1/__iterator/wrap_iter.h:55:5 #22 0x000001ffd783dccc clang::MultiplexConsumer::HandleTranslationUnit(clang::ASTContext&) /home/srcmastr/src/lf/main/contrib/llvm-project/clang/lib/Frontend/MultiplexConsumer.cpp:326:23 #23 0x000001ffd796a189 begin /build/freebsd/obj/home/srcmastr/src/lf/main/amd64.amd64/tmp/usr/include/c++/v1/vector:1412:28 #24 0x000001ffd796a189 finalize<std::__1::vector<std::__1::unique_ptr<clang::TemplateInstantiationCallback, std::__1::default_delete<clang::TemplateInstantiationCallback> >, std::__1::allocator<std::__1::unique_ptr<clang::TemplateInstantiationCallback, std::__1::default_delete<clang::TemplateInstantiationCallback> > > > > /home/srcmastr/src/lf/main/contrib/llvm-project/clang/include/clang/Sema/TemplateInstCallback.h:54:16 #25 0x000001ffd796a189 clang::ParseAST(clang::Sema&, bool, bool) /home/srcmastr/src/lf/main/contrib/llvm-project/clang/lib/Parse/ParseAST.cpp:191:3 #26 0x000001ffd77d8aa2 clang::FrontendAction::Execute() /home/srcmastr/src/lf/main/contrib/llvm-project/clang/lib/Frontend/FrontendAction.cpp:1082:10 #27 0x000001ffd774b0ed getPtr /home/srcmastr/src/lf/main/contrib/llvm-project/llvm/include/llvm/Support/Error.h:279:42 #28 0x000001ffd774b0ed operator bool /home/srcmastr/src/lf/main/contrib/llvm-project/llvm/include/llvm/Support/Error.h:242:16 #29 0x000001ffd774b0ed clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) /home/srcmastr/src/lf/main/contrib/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:1061:23 #30 0x000001ffd786c445 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) /home/srcmastr/src/lf/main/contrib/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:280:25 #31 0x000001f7b265bf21 cc1_main /home/srcmastr/src/lf/main/contrib/llvm-project/clang/tools/driver/cc1_main.cpp:284:15 #32 0x000001f7b266a1af ExecuteCC1Tool /home/srcmastr/src/lf/main/contrib/llvm-project/clang/tools/driver/driver.cpp:217:12 #33 0x000001f7b26691b5 clang_main /home/srcmastr/src/lf/main/contrib/llvm-project/clang/tools/driver/driver.cpp:256:12 #34 0x000001f7b2667d42 main /home/srcmastr/src/lf/main/usr.bin/clang/clang/clang-driver.cpp:17:10 #35 0x000001ffe356bc34 __libc_start1 /home/srcmastr/src/lf/main/lib/libc/csu/libc_start1.c:172:2 c++: error: unable to execute command: Abort trap (core dumped) c++: error: clang frontend command failed due to signal (use -v to see invocation) FreeBSD clang version 19.1.7 (https://github.com/llvm/llvm-project.git llvmorg-19.1.7-0-gcd708029e0b2) Target: x86_64-unknown-freebsd15.0 Thread model: posix InstalledDir: /usr/bin Build config: +assertions c++: note: diagnostic msg: ******************** PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT: Preprocessed source(s) and associated run script(s) are located at: c++: note: diagnostic msg: /tmp/real-722e53.cppm c++: note: diagnostic msg: /tmp/real-722e53.sh c++: note: diagnostic msg: ******************** -- You are receiving this mail because: You are the assignee for the bug.home | help
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