codegen: Fix freeing of owned parameters

Fixes bug 645177.

diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 5a22f44558c13b3bb51f40d52d242c3ac7f2ae6d..b23a08d24994bf4383687bdcdfedb4896d4c33ba 100644 (file)
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -3274,7 +3274,7 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
                        }
                }
 
-               if (b.parent_node == stop_at) {
+               if (stop_at != null && b.parent_node == stop_at) {
                        return;
                }