/usr/lib/llvm-3.6/include/lldb/Utility/ is in liblldb-3.6-dev 1:3.6.2-3ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/llvm-3.6/include/lldb/Utility/AnsiTerminal.h
/usr/lib/llvm-3.6/include/lldb/Utility/CleanUp.h
/usr/lib/llvm-3.6/include/lldb/Utility/Iterable.h
/usr/lib/llvm-3.6/include/lldb/Utility/PriorityPointerPair.h
/usr/lib/llvm-3.6/include/lldb/Utility/ProcessStructReader.h
/usr/lib/llvm-3.6/include/lldb/Utility/PseudoTerminal.h
/usr/lib/llvm-3.6/include/lldb/Utility/PythonPointer.h
/usr/lib/llvm-3.6/include/lldb/Utility/Range.h
/usr/lib/llvm-3.6/include/lldb/Utility/RegisterNumber.h
/usr/lib/llvm-3.6/include/lldb/Utility/SafeMachO.h
/usr/lib/llvm-3.6/include/lldb/Utility/SharedCluster.h
/usr/lib/llvm-3.6/include/lldb/Utility/SharingPtr.h
/usr/lib/llvm-3.6/include/lldb/Utility/StringLexer.h
/usr/lib/llvm-3.6/include/lldb/Utility/Utils.h