From: Rico Tzschichholz <ricotz@ubuntu.com>
Date: Wed, 9 May 2018 06:40:39 +0000 (+0200)
Subject: codegen: Guard get_default_ref_sink_function() against null base-class
X-Git-Tag: 0.41.90~140
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b7ceb5508b75acca762a752228887c9991016551;p=thirdparty%2Fvala.git

codegen: Guard get_default_ref_sink_function() against null base-class
---

diff --git a/codegen/valaccodeattribute.vala b/codegen/valaccodeattribute.vala
index 9d7bc1783..f6b1e4c3d 100644
--- a/codegen/valaccodeattribute.vala
+++ b/codegen/valaccodeattribute.vala
@@ -883,7 +883,10 @@ public class Vala.CCodeAttribute : AttributeCache {
 
 	private string get_default_ref_sink_function () {
 		if (sym is Class) {
-			return get_ccode_ref_sink_function (((Class) sym).base_class);
+			unowned Class? base_class = ((Class) sym).base_class;
+			if (base_class != null) {
+				return get_ccode_ref_sink_function (base_class);
+			}
 		} else if (sym is Interface) {
 			foreach (var prereq in ((Interface) sym).get_prerequisites ()) {
 				string ref_sink_func = get_ccode_ref_sink_function ((ObjectTypeSymbol) prereq.data_type);