Fix memory leaks in EnchantmentHelper (MC-128547) (#4880)

patches/minecraft/net/minecraft/enchantment/EnchantmentHelper.java.patch

@@ -1,6 +1,34 @@
 --- ../src-base/minecraft/net/minecraft/enchantment/EnchantmentHelper.java
 +++ ../src-work/minecraft/net/minecraft/enchantment/EnchantmentHelper.java
-@@ -302,7 +302,7 @@
+@@ -140,6 +140,7 @@
+         field_77520_b.field_77497_a = 0;
+         field_77520_b.field_77496_b = p_77508_1_;
+         func_77516_a(field_77520_b, p_77508_0_);
++        field_77520_b.field_77496_b = null; //Forge Fix memory leaks: https://bugs.mojang.com/browse/MC-128547
+         return field_77520_b.field_77497_a;
+     }
+ 
+@@ -171,6 +172,9 @@
+         {
+             func_77518_a(field_151388_d, p_151384_0_.func_184614_ca());
+         }
++
++        field_151388_d.field_151363_b = null; //Forge Fix memory leaks: https://bugs.mojang.com/browse/MC-128547
++        field_151388_d.field_151364_a = null;
+     }
+ 
+     public static void func_151385_b(EntityLivingBase p_151385_0_, Entity p_151385_1_)
+@@ -187,6 +191,9 @@
+         {
+             func_77518_a(field_151389_e, p_151385_0_.func_184614_ca());
+         }
++
++        field_151389_e.field_151366_a = null; //Forge Fix memory leaks: https://bugs.mojang.com/browse/MC-128547
++        field_151389_e.field_151365_b = null;
+     }
+ 
+     public static int func_185284_a(Enchantment p_185284_0_, EntityLivingBase p_185284_1_)
+@@ -302,7 +309,7 @@
      public static int func_77514_a(Random p_77514_0_, int p_77514_1_, int p_77514_2_, ItemStack p_77514_3_)
      {
          Item item = p_77514_3_.func_77973_b();
@@ -9,7 +37,7 @@
  
          if (i <= 0)
          {
-@@ -357,7 +357,7 @@
+@@ -357,7 +364,7 @@
      {
          List<EnchantmentData> list = Lists.<EnchantmentData>newArrayList();
          Item item = p_77513_1_.func_77973_b();
@@ -18,7 +46,7 @@
  
          if (i <= 0)
          {
-@@ -413,7 +413,7 @@
+@@ -413,7 +420,7 @@
  
          for (Enchantment enchantment : Enchantment.field_185264_b)
          {