commit https://github.com/vim/vim/commit/927030af23982a70580178e32806cd3638ce6e5b Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 15 18:23:55 2016 +0100 patch 7.4.1576 Problem: Write error of viminfo file is not handled properly. (Christian Neukirchen) Solution: Check the return value of fclose(). (closes https://github.com/vim/vim/issues/682)

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}\")