From fb0d7beaaf53fec5c293f99175b618ebadd66631 Mon Sep 17 00:00:00 2001
From: Christian Flothmann <christian.flothmann@sensiolabs.de>
Date: Fri, 18 Sep 2020 11:45:13 +0200
Subject: [PATCH] catch ValueError thrown on PHP 8

---
 .../Component/Validator/Constraints/TimezoneValidator.php   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Validator/Constraints/TimezoneValidator.php b/src/Symfony/Component/Validator/Constraints/TimezoneValidator.php
index cf52239d0c..ab6b4eed62 100644
--- a/src/Symfony/Component/Validator/Constraints/TimezoneValidator.php
+++ b/src/Symfony/Component/Validator/Constraints/TimezoneValidator.php
@@ -78,7 +78,11 @@ class TimezoneValidator extends ConstraintValidator
     private static function getPhpTimezones(int $zone, string $countryCode = null): array
     {
         if (null !== $countryCode) {
-            return @\DateTimeZone::listIdentifiers($zone, $countryCode) ?: [];
+            try {
+                return @\DateTimeZone::listIdentifiers($zone, $countryCode) ?: [];
+            } catch (\ValueError $e) {
+                return [];
+            }
         }
 
         return \DateTimeZone::listIdentifiers($zone);