patch 9.0.1559: function argument types not always checked Commit: https://github.com/vim/vim/commit/2ba51236fb7c27fe16dad4c44242f00e17c19726 Author: Bram Moolenaar <Bram@vim.org> Date: Mon May 15 16:22:38 2023 +0100 patch 9.0.1559: function argument types not always checked Problem: Function argument types not always checked and using v:none may cause an error. Solution: Check argument types once the function type is known. Do not give an error for using v:none as an argument. (closes #12200)

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}\")