/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ is in libphobos-5-dev 5.5.0-12ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_AC.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_Acdouble.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_Acfloat.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_Acreal.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_Adouble.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_Afloat.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_Ag.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_Aint.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_Along.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_Areal.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_Ashort.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_C.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_byte.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_cdouble.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_cfloat.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_char.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_creal.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_dchar.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_delegate.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_double.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_float.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_idouble.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_ifloat.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_int.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_ireal.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_long.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_ptr.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_real.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_short.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_ubyte.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_uint.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_ulong.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_ushort.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_void.d
/usr/lib/gcc/x86_64-linux-gnu/5/include/d/rt/typeinfo/ti_wchar.d