https://issues.dlang.org/show_bug.cgi?id=18068
--- Comment #9 from Seb <greensunn...@gmail.com> --- FWIW my current guess is that its related to a "recent" change in glibc. This could also be related: https://github.com/dlang/druntime/pull/2151 > The latter is how I stumbled on this. LLVM 6.0 led to DWARF v4 debuginfos, > rt.backtrace.dwarf doesn't support that version, so no file/line infos => > "??:? \0" + exception --
