From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Sun, 23 Sep 2018 20:59:53 -0500
Subject: [PATCH] Honor EntityAgeable.ageLock


diff --git a/src/main/java/net/minecraft/world/entity/AgeableMob.java b/src/main/java/net/minecraft/world/entity/AgeableMob.java
index 123b125a3576903767983c93135086ca7a8ea813..c0780a8714808498390282b7fa1da1f3aacf8e2a 100644
--- a/src/main/java/net/minecraft/world/entity/AgeableMob.java
+++ b/src/main/java/net/minecraft/world/entity/AgeableMob.java
@@ -84,6 +84,7 @@ public abstract class AgeableMob extends PathfinderMob {
     }
 
     public void ageUp(int age, boolean overGrow) {
+        if (ageLocked) return; // Paper - GH-1459
         int j = this.getAge();
         int k = j;