From 52e7d78dcabdb3f4e5def5c5bc240fe8ded4b55f Mon Sep 17 00:00:00 2001
From: Andreas Braun <git@alcaeus.org>
Date: Thu, 22 Oct 2020 13:20:03 +0200
Subject: [PATCH] Add missing exporter function for PHPUnit 7

---
 .../Bridge/PhpUnit/Legacy/ConstraintTraitForV7.php    | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/Symfony/Bridge/PhpUnit/Legacy/ConstraintTraitForV7.php b/src/Symfony/Bridge/PhpUnit/Legacy/ConstraintTraitForV7.php
index 48c79a76dd0cf..9877049153d00 100644
--- a/src/Symfony/Bridge/PhpUnit/Legacy/ConstraintTraitForV7.php
+++ b/src/Symfony/Bridge/PhpUnit/Legacy/ConstraintTraitForV7.php
@@ -11,6 +11,8 @@
 
 namespace Symfony\Bridge\PhpUnit\Legacy;
 
+use SebastianBergmann\Exporter\Exporter;
+
 /**
  * @internal
  */
@@ -31,6 +33,15 @@ protected function additionalFailureDescription($other): string
         return $this->doAdditionalFailureDescription($other);
     }
 
+    protected function exporter(): Exporter
+    {
+        if (null !== $this->exporter) {
+            $this->exporter = new Exporter();
+        }
+
+        return $this->exporter;
+    }
+
     protected function failureDescription($other): string
     {
         return $this->doFailureDescription($other);