Issue 625: use (even) better primes for hashcodes

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

@@ -20,7 +20,7 @@
     return (other instanceof DataIgnore);
   }
   public @java.lang.Override @java.lang.SuppressWarnings("all") int hashCode() {
-    final int PRIME = 277;
+    final int PRIME = 59;
     int result = 1;
     result = ((result * PRIME) + this.getX());
     return result;