The hashCode() method now generates a magic prime instead of 0 for the hash of null values; this reduces collisions.

test/transform/resource/after-ecj/Accessors.java

@@ -93,7 +93,7 @@ class AccessorsChain {
     final int PRIME = 59;
     int result = 1;
     final java.lang.Object $fName = this.getName();
-    result = ((result * PRIME) + (($fName == null) ? 0 : $fName.hashCode()));
+    result = ((result * PRIME) + (($fName == null) ? 43 : $fName.hashCode()));
     return result;
   }
 }