Created attachment 165644 [details] .zip of the the .sh and .c that clang generated for the report. My attempted buildworld of -r294096 from amd64 targeting arm for an rpi2 stopped with: --- all_subdir_usr.sbin --- Assertion failed: (Offset <= PieceOffset && "overlapping or duplicate pieces"), function finalize, file /usr/src/lib/clang/libllvmasmprinter/../../../contrib/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp, line 1561. . . . --- all_subdir_usr.sbin --- clang: note: diagnostic msg: ******************** PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT: Preprocessed source(s) and associated run script(s) are located at: clang: note: diagnostic msg: /tmp/parser-392d84.c clang: note: diagnostic msg: /tmp/parser-392d84.sh clang: note: diagnostic msg: ******************** *** [parser.o] Error code 254 make[4]: stopped in /usr/src/usr.sbin/nscd 1 error Detailed context: make.conf: empty. src.conf: TO_TYPE=armv6 # KERNCONF=RPI2-NODBG TARGET=arm .if ${.MAKE.LEVEL} == 0 TARGET_ARCH=${TO_TYPE} .export TARGET_ARCH .endif # WITH_FAST_DEPEND= WITH_LIBCPLUSPLUS= WITH_BINTOOLS_BOOTSTRAP= WITH_CLANG= WITH_CLANG_IS_CC= WITH_CLANG_FULL= WITH_LLDB= WITH_CLANG_EXTRAS= WITH_BOOT= # WITHOUT_LIB32= WITHOUT_ELFTOOLCHAIN_BOOTSTRAP= WITHOUT_CLANG_BOOTSTRAP= WITHOUT_GCC_BOOTSTRAP= WITHOUT_GCC= WITHOUT_GNUCXX= # NO_WERROR= MALLOC_PRODUCTION= # WITH_DEBUG= WITH_DEBUG_FILES= # .if ${.MAKE.LEVEL} == 0 XCC=/usr/bin/clang -v -target ${TO_TYPE}--freebsd11.0-gnueabi -march=armv7a -mcpu=cortex-a7 -mno-unaligned-access XCXX=/usr/bin/clang++ -v -target ${TO_TYPE}--freebsd11.0-gnueabi -march=armv7a -mcpu=cortex-a7 -mno-unaligned-access XCPP=/usr/bin/clang-cpp -v -target ${TO_TYPE}--freebsd11.0-gnueabi -march=armv7a -mcpu=cortex-a7 -mno-unaligned-access .export XCC .export XCXX .export XCPP .endif # .if ${.MAKE.LEVEL} == 0 CC=/usr/bin/clang -v CXX=/usr/bin/clang++ -v CPP=/usr/bin/clang-cpp -v .export CC .export CXX .export CPP .endif RPI2-NODBG: ident RPI2-NODBG include "RPI2" makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols options ALT_BREAK_TO_DEBUGGER #options VERBOSE_SYSINIT # Enable verbose sysinit messages options KDB # Enable kernel debugger support # For minimum debugger support (stable branch) use: #options KDB_TRACE # Print a stack trace for a panic options DDB # Enable the kernel debugger nooptions INVARIANTS # Enable calls of extra sanity checking nooptions INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS nooptions WITNESS # Enable checks to detect deadlocks and cycles nooptions WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed nooptions DIAGNOSTIC
For completness sake (despite the upstream submittal already having been made independently): the back trace that I forgot to include. . . # /usr/local/bin/gdb clang /var/crash/clang.54393.core . . . Core was generated by `clang'. Program terminated with signal SIGABRT, Aborted. #0 0x00000000028a5cba in thr_kill () (gdb) bt #0 0x00000000028a5cba in thr_kill () #1 0x00000000028a5c96 in raise () #2 0x00000000028a5c56 in abort () #3 0x00000000028c50ea in __assert () #4 0x0000000001e2e962 in llvm::DebugLocEntry::finalize(llvm::AsmPrinter const&, llvm::DebugLocStream::ListBuilder&, llvm::DIBasicType const*) () #5 0x0000000001e2e232 in llvm::DwarfDebug::collectVariableInfo(llvm::DwarfCompileUnit&, llvm::DISubprogram const*, llvm::DenseSet<std::__1::pair<llvm::DILocalVariable const*, llvm::DILocation const*>, llvm::DenseMapInfo<std::__1::pair<llvm::DILocalVariable const*, llvm::DILocation const*> > >&) () #6 0x0000000001e2f982 in llvm::DwarfDebug::endFunction(llvm::MachineFunction const*) () #7 0x0000000001e0a29b in llvm::AsmPrinter::EmitFunctionBody() () #8 0x00000000018a7227 in llvm::ARMAsmPrinter::runOnMachineFunction(llvm::MachineFunction&) () #9 0x000000000205eb91 in llvm::MachineFunctionPass::runOnFunction(llvm::Function&) () #10 0x000000000264cd60 in llvm::FPPassManager::runOnFunction(llvm::Function&) () #11 0x000000000264cfab in llvm::FPPassManager::runOnModule(llvm::Module&) () #12 0x000000000264d40e in llvm::legacy::PassManagerImpl::run(llvm::Module&) () #13 0x00000000006c353a in clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::raw_pwrite_stream*) () #14 0x00000000006c0e02 in clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) () #15 0x000000000092ef12 in clang::ParseAST(clang::Sema&, bool, bool) () #16 0x0000000000440799 in clang::FrontendAction::Execute() () #17 0x00000000004653f1 in clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) () #18 0x000000000040a5fb in clang::ExecuteCompilerInvocation(clang::CompilerInstance*) () #19 0x00000000004008ae in cc1_main (Argv=..., Argv0=0x7fffffffdd90 "/usr/bin/clang", MainAddr=0x405bf0 <GetExecutablePath(char const*, bool)>) at /usr/src/usr.bin/clang/clang/../../../contrib/llvm/tools/clang/tools/driver/cc1_main.cpp:116 #20 0x0000000000408925 in ExecuteCC1Tool (Tool=..., argv=...) at /usr/src/usr.bin/clang/clang/../../../contrib/llvm/tools/clang/tools/driver/driver.cpp:301 #21 main (argc_=<optimized out>, argv_=<optimized out>) at /usr/src/usr.bin/clang/clang/../../../contrib/llvm/tools/clang/tools/driver/driver.cpp:366
As of -r294194 the assertion is no longer reported in my buildworld activity that targets the rpi2.
(In reply to Mark Millard from comment #2) -r294179 I meant.