commit https://github.com/vim/vim/commit/d6a8d48587b2ff43c343fa365898576cc1e235ea Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 10 20:32:20 2016 +0100 patch 7.4.1298 Problem: When the channel test fails in an unexpected way the server keeps running. Solution: Use try/catch. (Ozaki Kiichi)

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}\")