patch 8.2.4322: Vim9: crash when using funcref with closure Commit: https://github.com/vim/vim/commit/7aca5ca6763e50d2c23953b20e30fca7457c9abf Author: Bram Moolenaar <Bram@vim.org> Date: Mon Feb 7 19:56:43 2022 +0000 patch 8.2.4322: Vim9: crash when using funcref with closure Problem: Vim9: crash when using funcref with closure. Solution: Keep a reference to the funcref that has the outer context. (closes #9716)

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}\")