1 files changed, 2 insertions, 0 deletions
diff --git a/test/transform/resource/after-ecj/SuperBuilderWithGenerics.java b/test/transform/resource/after-ecj/SuperBuilderWithGenerics.java
index bbf07d75..89ab8821 100644
--- a/test/transform/resource/after-ecj/SuperBuilderWithGenerics.java
+++ b/test/transform/resource/after-ecj/SuperBuilderWithGenerics.java
@@ -20,6 +20,8 @@ public class SuperBuilderWithGenerics {
         return self();
       }
       public @java.lang.SuppressWarnings("all") B items(final java.util.Collection<? extends String> items) {
+        if ((items == null))
+            throw new java.lang.NullPointerException("items cannot be null");
         if ((this.items == null))
             this.items = new java.util.ArrayList<String>();
         this.items.addAll(items);