From dc07c24c0cc72d8fa2a17ff3bf0f98c6da07535c Mon Sep 17 00:00:00 2001
From: treeston <treeston.mmoc@gmail.com>
Date: Fri, 12 Feb 2016 12:18:17 +0100
Subject: Scripts/Naxxramas: Fix an edge case crash in Gothik. Closes #16575.

(cherry picked from commit a23ccc1b83ded39501d690e288be49be8f32b539)
---
 src/server/scripts/Northrend/Naxxramas/boss_gothik.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src')

diff --git a/src/server/scripts/Northrend/Naxxramas/boss_gothik.cpp b/src/server/scripts/Northrend/Naxxramas/boss_gothik.cpp
index 67602a1181d..3c899f97e52 100644
--- a/src/server/scripts/Northrend/Naxxramas/boss_gothik.cpp
+++ b/src/server/scripts/Northrend/Naxxramas/boss_gothik.cpp
@@ -369,8 +369,12 @@ class boss_gothik : public CreatureScript
                 _gateIsOpen = true;
 
                 for (ObjectGuid summonGuid : summons)
+                {
                     if (Creature* summon = ObjectAccessor::GetCreature(*me, summonGuid))
                         summon->AI()->DoAction(ACTION_GATE_OPENED);
+                    if (summons.empty()) // ACTION_GATE_OPENED may cause an evade, despawning summons and invalidating our iterator
+                        break;
+                }
             }
 
             void DamageTaken(Unit* /*who*/, uint32& damage) override
-- 
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