Merge branch '5.2' into 5.x

* 5.2:
  [FrameworkBundle] Fix array controller link in debug:router

Author: nicolas-grekas

Console/Descriptor/TextDescriptor.php

@@ -562,6 +562,10 @@ private function formatControllerLink($controller, string $anchorText, callable
                 $r = new \ReflectionFunction($controller);
             }
         } catch (\ReflectionException $e) {
+            if (\is_array($controller)) {
+                $controller = implode('::', $controller);
+            }
+
             $id = $controller;
             $method = '__invoke';