https://issues.dlang.org/show_bug.cgi?id=17767
--- Comment #2 from ecstatic.coder <ecstatic.co...@gmail.com> --- Indeed... I've downloaded the version on gdcproject.org, but same result... $ ./gdc --version gdc (gdcproject.org 20161225-v2.068.2_gcc6) 6.3.0 Copyright (C) 2016 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. $ ./gdc -m64 recast.d recast.d:1:0: internal compiler error: in get_symbol_decl, at d/d-decls.cc:136 /* Please submit a full bug report, with preprocessed source if appropriate. See <https://bugzilla.gdcproject.org> for instructions. And couldn't install gdc via your PPA, it says there is not support for Xenial... --