commit https://github.com/vim/vim/commit/1c2836e268ce930bca9ea1287d0d83e92ce1b3ff Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 10 21:05:48 2015 +0100 patch 7.4.922 Problem: Leaking memory with ":helpt {dir-not-exists}". Solution: Free dirname. (Dominique Pelle)

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}\")