commit https://github.com/vim/vim/commit/bf981eeb6b4ee63ae8543a7f9865ab700159a79c Author: Bram Moolenaar <Bram@vim.org> Date: Sat May 28 13:20:31 2016 +0200 patch 7.4.1850 Problem: GUI freezes when using a job. (Shougo) Solution: Unregister the channel when there is an input error.

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}\")