patch 9.0.1334: using tt_member for the class leads to mistakes Commit: https://github.com/vim/vim/commit/b1e32ac0c998808705cfbd59e4b8510931875078 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Feb 21 12:38:51 2023 +0000 patch 9.0.1334: using tt_member for the class leads to mistakes Problem: Using tt_member for the class leads to mistakes. Solution: Add a separate tt_class field.

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}\")