commit https://github.com/vim/vim/commit/fbc4b4db3a9690906a96e16724350a6241cf32a5 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 7 15:14:01 2016 +0100 patch 7.4.1276 Problem: Warning for not using return value of fcntl(). Solution: Explicitly ignore the return value.

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}\")