/usr/include/llvm-3.9/llvm/Object/ is in llvm-3.9-dev 1:3.9.1-19ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/llvm-3.9/llvm/Object/Archive.h
/usr/include/llvm-3.9/llvm/Object/ArchiveWriter.h
/usr/include/llvm-3.9/llvm/Object/Binary.h
/usr/include/llvm-3.9/llvm/Object/COFF.h
/usr/include/llvm-3.9/llvm/Object/COFFImportFile.h
/usr/include/llvm-3.9/llvm/Object/ELF.h
/usr/include/llvm-3.9/llvm/Object/ELFObjectFile.h
/usr/include/llvm-3.9/llvm/Object/ELFTypes.h
/usr/include/llvm-3.9/llvm/Object/Error.h
/usr/include/llvm-3.9/llvm/Object/IRObjectFile.h
/usr/include/llvm-3.9/llvm/Object/MachO.h
/usr/include/llvm-3.9/llvm/Object/MachOUniversal.h
/usr/include/llvm-3.9/llvm/Object/ModuleSummaryIndexObjectFile.h
/usr/include/llvm-3.9/llvm/Object/ObjectFile.h
/usr/include/llvm-3.9/llvm/Object/RelocVisitor.h
/usr/include/llvm-3.9/llvm/Object/StackMapParser.h
/usr/include/llvm-3.9/llvm/Object/SymbolSize.h
/usr/include/llvm-3.9/llvm/Object/SymbolicFile.h
/usr/include/llvm-3.9/llvm/ObjectYAML/COFFYAML.h
/usr/include/llvm-3.9/llvm/ObjectYAML/ELFYAML.h
/usr/include/llvm-3.9/llvm/ObjectYAML/MachOYAML.h
/usr/include/llvm-3.9/llvm/ObjectYAML/ObjectYAML.h
/usr/include/llvm-3.9/llvm/ObjectYAML/YAML.h