patch 8.2.0634: crash with null partial and blob Commit: https://github.com/vim/vim/commit/92b83ccfda7a1d654ccaaf161a9c8a8e01fbcf76 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 25 15:24:44 2020 +0200 patch 8.2.0634: crash with null partial and blob Problem: Crash with null partial and blob. Solution: Check for NULL pointer. Add more tests. (Yegappan Lakshmanan, closes #5984)

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}\")