patch 9.0.1286: Coverity warns for using a NULL pointer Commit: https://github.com/vim/vim/commit/546933f4974d0e0966a4d4e78a6a46b7532d71c6 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Feb 6 16:40:49 2023 +0000 patch 9.0.1286: Coverity warns for using a NULL pointer Problem: Coverity warns for using a NULL pointer. Solution: Bail out whan "varp" is NULL.

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}\")