While compiling world compilation terminates with: /usr/lib/libm.a: could not read symbols: File format not recognized r357716 as off Feb, 10th 2020. FreeBSD fbsd11 11.3-STABLE FreeBSD 11.3-STABLE #0 r356598: Mon Jan 13 10:31:55 CET 2020 root@fbsd11:/usr/obj/usr/src/sys/FBSD11 amd64 c++ -O2 -pipe -I/usr/obj/usr/src/tmp/usr/src/lib/clang/libllvm -I/usr/src/lib/clang/include -I/usr/src/contrib/llvm/include -DLLVM_B UILD_GLOBAL_ISEL -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -DNDEBUG -DLLVM_DEFAULT_TARGET_TRIPLE=\"x86_64-unknown-freebsd11.3\" -DLLVM_HOST_TRIPLE=\"x86_64-unknown-freebsd11.3\" -DDEFAULT_SYSROOT=\"/usr/obj/usr/src/tmp\" -DLLVM_TARGET_ENABLE_AARCH64 -DLLVM_TA RGET_ENABLE_ARM -DLLVM_TARGET_ENABLE_MIPS -DLLVM_TARGET_ENABLE_POWERPC -DLLVM_TARGET_ENABLE_SPARC -DLLVM_TARGET_ENABLE_X86 -DLLVM_NA TIVE_ASMPARSER=LLVMInitializeX86AsmParser -DLLVM_NATIVE_ASMPRINTER=LLVMInitializeX86AsmPrinter -DLLVM_NATIVE_DISASSEMBLER=LLVMInitia lizeX86Disassembler -DLLVM_NATIVE_TARGET=LLVMInitializeX86Target -DLLVM_NATIVE_TARGETINFO=LLVMInitializeX86TargetInfo -DLLVM_NATIVE_ TARGETMC=LLVMInitializeX86TargetMC -ffunction-sections -fdata-sections -g -MD -MF.depend.X86RecognizableInstr.o -MTX86RecognizableIn str.o -Qunused-arguments -I/usr/obj/usr/src/tmp/legacy/usr/include -std=c++11 -fno-exceptions -fno-rtti -stdlib=libc++ -Wno-c++11-e xtensions -c /usr/src/contrib/llvm/utils/TableGen/X86RecognizableInstr.cpp -o X86RecognizableInstr.o c++ -O2 -pipe -I/usr/obj/usr/src/tmp/usr/src/lib/clang/libllvm -I/usr/src/lib/clang/include -I/usr/src/contrib/llvm/include -DLLVM_B UILD_GLOBAL_ISEL -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -DNDEBUG -DLLVM_DEFAULT_TARGET_TRIPLE=\"x86_64-unknown-freebsd11.3\" -DLLVM_HOST_TRIPLE=\"x86_64-unknown-freebsd11.3\" -DDEFAULT_SYSROOT=\"/usr/obj/usr/src/tmp\" -DLLVM_TARGET_ENABLE_AARCH64 -DLLVM_TA RGET_ENABLE_ARM -DLLVM_TARGET_ENABLE_MIPS -DLLVM_TARGET_ENABLE_POWERPC -DLLVM_TARGET_ENABLE_SPARC -DLLVM_TARGET_ENABLE_X86 -DLLVM_NA TIVE_ASMPARSER=LLVMInitializeX86AsmParser -DLLVM_NATIVE_ASMPRINTER=LLVMInitializeX86AsmPrinter -DLLVM_NATIVE_DISASSEMBLER=LLVMInitia lizeX86Disassembler -DLLVM_NATIVE_TARGET=LLVMInitializeX86Target -DLLVM_NATIVE_TARGETINFO=LLVMInitializeX86TargetInfo -DLLVM_NATIVE_ TARGETMC=LLVMInitializeX86TargetMC -ffunction-sections -fdata-sections -g -Qunused-arguments -I/usr/obj/usr/src/tmp/legacy/usr/inclu de -std=c++11 -fno-exceptions -fno-rtti -stdlib=libc++ -Wno-c++11-extensions -Wl,--gc-sections -static -L/usr/obj/usr/src/tmp/legac y/usr/lib -o llvm-tblgen.full AsmMatcherEmitter.o AsmWriterEmitter.o AsmWriterInst.o Attributes.o CTagsEmitter.o CallingConvEmitter .o CodeEmitterGen.o CodeGenDAGPatterns.o CodeGenHwModes.o CodeGenInstruction.o CodeGenMapTable.o CodeGenRegisters.o CodeGenSchedule. o CodeGenTarget.o DAGISelEmitter.o DAGISelMatcher.o DAGISelMatcherEmitter.o DAGISelMatcherGen.o DAGISelMatcherOpt.o DFAPacketizerEmi tter.o DisassemblerEmitter.o ExegesisEmitter.o FastISelEmitter.o FixedLenDecoderEmitter.o GlobalISelEmitter.o InfoByHwMode.o InstrDo csEmitter.o InstrInfoEmitter.o IntrinsicEmitter.o OptParserEmitter.o PredicateExpander.o PseudoLoweringEmitter.o RISCVCompressInstEm itter.o RegisterBankEmitter.o RegisterInfoEmitter.o SDNodeProperties.o SearchableTableEmitter.o SubtargetEmitter.o SubtargetFeatureI nfo.o TableGen.o Types.o WebAssemblyDisassemblerEmitter.o X86DisassemblerTables.o X86EVEX2VEXTablesEmitter.o X86FoldTablesEmitter.o X86ModRMFilters.o X86RecognizableInstr.o /usr/obj/usr/src/tmp/usr/src/lib/clang/libllvmminimal/libllvmminimal.a -lncursesw -lpthre ad -legacy /usr/lib/libm.a: could not read symbols: File format not recognized c++: error: linker command failed with exit code 1 (use -v to see invocation) *** Error code 1 Stop. make[3]: stopped in /usr/src/usr.bin/clang/llvm-tblgen *** Error code 1 Stop. make[2]: stopped in /usr/src *** Error code 1 Stop. make[1]: stopped in /usr/src *** Error code 1 Stop. make: stopped in /usr/src