patch 9.0.1357: using null_object results in an internal error Commit: https://github.com/vim/vim/commit/c4e1b86cb0d88fa5ec1141d3c600e026dcc1bc21 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 26 18:58:23 2023 +0000 patch 9.0.1357: using null_object results in an internal error Problem: Using null_object results in an internal error. (Ernie Rael) Solution: Add instructions for pushing an object and class. (closes https://github.com/vim/vim/issues/12044)

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}\")