Revert "merged branch mvrhov/patch-1 (PR #4975)"

This reverts commit 407246a, reversing
changes made to 3841d1c.

src/Symfony/Component/ClassLoader/ClassCollectionLoader.php

@@ -96,7 +96,7 @@ public static function load($classes, $cacheDir, $name, $autoReload, $adaptive =
         $files = array();
         $content = '';
         foreach (self::getOrderedClasses($classes) as $class) {
-            if ($adaptive && in_array($class->getName(), $declared)) {
+            if (in_array($class->getName(), $declared)) {
                 continue;
             }