patch 8.2.5117: crash when calling a Lua callback from a :def function Commit: https://github.com/vim/vim/commit/7d149f899d423b7bf2b90d7b11ebe3e560c462b9 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jun 17 19:23:34 2022 +0100 patch 8.2.5117: crash when calling a Lua callback from a :def function Problem: Crash when calling a Lua callback from a :def function. (Bohdan Makohin) Solution: Handle FC_CFUNC in call_user_func_check(). (closes #10587)

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}\")