commit https://github.com/vim/vim/commit/ba96e9af388804364425185b47eed14988302865 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Aug 1 17:10:20 2016 +0200 patch 7.4.2141 Problem: Coverity reports bogus NULL check. Solution: When checking for a variable in the funccal scope don't pass the varname.

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}\")