The following crashes emacs when started from a xterm:

emacs -Q -nw
(set-keyboard-coding-system 'raw-text)
<PRESS some key>

=>
Fatal error 6: Aborted
Backtrace:
emacs[0x50608b]
emacs[0x4ec37e]
emacs[0x504d7e]
emacs[0x504f83]
emacs[0x505029]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x10340)[0x7fa694519340]
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x39)[0x7fa694179bb9]
/lib/x86_64-linux-gnu/libc.so.6(abort+0x148)[0x7fa69417cfc8]
/lib/x86_64-linux-gnu/libc.so.6(+0x73e14)[0x7fa6941b6e14]
/lib/x86_64-linux-gnu/libc.so.6(+0x7eb77)[0x7fa6941c1b77]
/lib/x86_64-linux-gnu/libc.so.6(realloc+0x2a2)[0x7fa6941c6c12]
emacs[0x546692]
emacs[0x48b5d1]
emacs[0x48b9fa]
emacs[0x493dcb]
emacs[0x49852c]
emacs[0x4f7a1f]
emacs[0x4f8cef]
emacs[0x4fa910]
emacs[0x55fdde]
emacs[0x4ec9ae]
emacs[0x55fceb]
emacs[0x4ec966]
emacs[0x4f100c]
emacs[0x4f134d]
emacs[0x417ff8]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5)[0x7fa694164ec5]
emacs[0x418abc]
Abgebrochen (Speicherabzug geschrieben)

I attached a gdb log of the error.