patch 8.2.4576: Vim9: error for comparing with null can be annoying Commit: https://github.com/vim/vim/commit/056678184f679c2989b73bd48eda112f3c79a62f Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 15 20:21:33 2022 +0000 patch 8.2.4576: Vim9: error for comparing with null can be annoying Problem: Vim9: error for comparing with null can be annoying. Solution: Allow comparing anything with null. (closes https://github.com/vim/vim/issues/9948)

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}\")