NEW restored Extension::__construct()

src/Core/Extension.php

@@ -44,6 +44,10 @@ abstract class Extension
      */
     private $ownerStack = [];
 
+    public function __construct()
+    {
+    }
+
     /**
      * Called when this extension is added to a particular class
      *

src/ORM/Search/FulltextSearchable.php

@@ -88,6 +88,7 @@ class FulltextSearchable extends DataExtension
      */
     public function __construct($searchFields = array())
     {
+        parent::__construct();
         if (is_array($searchFields)) {
             $this->searchFields = $searchFields;
         } else {

tests/php/Core/ObjectTest/ExtendTest2.php

@@ -11,6 +11,7 @@ class ExtendTest2 extends Extension implements TestOnly
 
     public function __construct()
     {
+        parent::__construct();
         $this->constructorArgs = func_get_args();
     }
 

tests/php/Core/ObjectTest/ExtendTest3.php

@@ -11,6 +11,7 @@ class ExtendTest3 extends Extension implements TestOnly
 
     public function __construct()
     {
+        parent::__construct();
         $this->constructorArgs = func_get_args();
     }