patch 8.2.0361: internal error when using "0" for a callback Commit: https://github.com/vim/vim/commit/14e57909e662a43a42438e2701654af48af49b03 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 7 16:59:25 2020 +0100 patch 8.2.0361: internal error when using "0" for a callback Problem: Internal error when using "0" for a callback. Solution: Give a normal error. (closes https://github.com/vim/vim/issues/5743)

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}\")