commit https://github.com/vim/vim/commit/843b884461de1c79a1d2748549776fb13fc94360 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 21 14:36:15 2016 +0200 patch 7.4.2233 Problem: Crash when using funcref() with invalid name. (Dominique Pelle) Solution: Check for NULL translated name.

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}\")