Optimize dynamic memory allocations for managed runtime interop collections with a new Arena Allocation

Source/Engine/Scripting/ManagedCLR/MField.h

@@ -3,6 +3,7 @@
 #pragma once
 
 #include "Engine/Core/Collections/Array.h"
+#include "Engine/Core/Memory/ArenaAllocation.h"
 #include "MTypes.h"
 
 /// <summary>
@@ -32,7 +33,7 @@ protected:
     mutable int32 _hasCachedAttributes : 1;
     int32 _isStatic : 1;
 
-    mutable Array<MObject*> _attributes;
+    mutable Array<MObject*, ArenaAllocation> _attributes;
 
 public:
 #if USE_MONO
@@ -157,5 +158,5 @@ public:
     /// Returns an instance of all attributes connected with given field. Returns null if the field doesn't have any attributes.
     /// </summary>
     /// <returns>The array of attribute objects.</returns>
-    const Array<MObject*>& GetAttributes() const;
+    const Array<MObject*, ArenaAllocation>& GetAttributes() const;
 };