vala: Never add "null" in ForeachStatement.get_defined_variables()

See https://gitlab.gnome.org/GNOME/vala/issues/911

diff --git a/vala/valaforeachstatement.vala b/vala/valaforeachstatement.vala
index 67063bbe1759151cc76ae7203e753bfb07af75e1..5159c2b3f2679300c09ccb3d3e0041df60721c69 100644 (file)
--- a/vala/valaforeachstatement.vala
+++ b/vala/valaforeachstatement.vala
@@ -410,6 +410,8 @@ public class Vala.ForeachStatement : Block {
        }
 
        public override void get_defined_variables (Collection<Variable> collection) {
-               collection.add (element_variable);
+               if (element_variable != null) {
+                       collection.add (element_variable);
+               }
        }
 }