Paper/nms-patches/EntityIronGolem.patch

--- a/net/minecraft/server/EntityIronGolem.java
+++ b/net/minecraft/server/EntityIronGolem.java
@@ -59,7 +59,7 @@
 
     protected void s(Entity entity) {
         if (entity instanceof IMonster && !(entity instanceof EntityCreeper) && this.bc().nextInt(20) == 0) {
-            this.setGoalTarget((EntityLiving) entity);
+            this.setGoalTarget((EntityLiving) entity, org.bukkit.event.entity.EntityTargetLivingEntityEvent.TargetReason.COLLISION, true); // CraftBukkit - set reason
         }
 
         super.s(entity);
@@ -220,7 +220,7 @@
                 }
 
                 public boolean apply(Object object) {
-                    return this.a((EntityLiving) object);
+                    return this.a((T) object); // CraftBukkit - fix decompiler error
                 }
             };
         }