commit https://github.com/vim/vim/commit/b36287283781e09d8874157b9d9bdc5243a2f319 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 28 14:56:39 2016 +0100 patch 7.4.1445 Problem: Memory corruption when 'encoding' is not utf-8. Solution: Convert decoded string later.

TYPEMAP
VIWIN	T_VIOBJNOMUNGE
VIBUF	T_VIOBJNOMUNGE

INPUT
T_VIOBJNOMUNGE
	if (sv_isa($arg, \"${ntype}\")) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = INT2PTR($type, tmp);
	    if (!tmp)
		croak(\"$ntype no longer exists\");
	}
	else
	    croak(\"$var is not of type ${ntype}\")