From 7d55e0c065bd2581aac3054a46d2195065654b6b Mon Sep 17 00:00:00 2001
From: "Alexander M. Turek" <me@derrabus.de>
Date: Sat, 12 Sep 2020 23:46:40 +0200
Subject: [PATCH] Internal classes are not legacy.

---
 .../Bridge/PhpUnit/DeprecationErrorHandler/Deprecation.php    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Symfony/Bridge/PhpUnit/DeprecationErrorHandler/Deprecation.php b/src/Symfony/Bridge/PhpUnit/DeprecationErrorHandler/Deprecation.php
index ed1528f6c9..911d37495e 100644
--- a/src/Symfony/Bridge/PhpUnit/DeprecationErrorHandler/Deprecation.php
+++ b/src/Symfony/Bridge/PhpUnit/DeprecationErrorHandler/Deprecation.php
@@ -143,6 +143,10 @@ class Deprecation
     public function isLegacy()
     {
         $class = $this->originatingClass();
+        if ((new \ReflectionClass($class))->isInternal()) {
+            return false;
+        }
+
         $method = $this->originatingMethod();
 
         return 0 === strpos($method, 'testLegacy')