thebibliography undef'ed \@mkdouble

\documentclass{scrartcl}
\begin{document}
\begin{thebibliography}{lalala}
\end{thebibliography}
\end{document}

)) (./komaBibMkDouble.aux)
! Undefined control sequence.
<argument> \@mkdouble 
 
l.3 \begin{thebibliography}{lalala}
 
? s
OK, entering \scrollmode...

r2134 2015-06-15 13:34:28 +0200 kohm:
 
	* scrkernel-index.dtx, scrkernel-bibliography.dtx,
	scrkernel-listsof.dtx, TODO: change: usage of \@mkright and \@mkdouble

)) (/usr/local/texlive/2013/texmf-dist/tex/latex/koma-script/scrlayer.sty)
(./komaBibMkDouble.aux)
! Missing \endcsname inserted.
<to be read again> 
                   \relax 
l.4 \begin{thebibliography}{lalala}
 
? 
! Missing \endcsname inserted.
<to be read again> 
                   \relax 
l.4 \begin{thebibliography}{lalala}
 
? 

\documentclass{scrartcl}
\usepackage{scrlayer}
\begin{document}
\begin{thebibliography}{lalala}
\end{thebibliography}
\end{document}