Merge branch '6.4' into 7.1

* 6.4:
  fix detecting anonymous exception classes on Windows and PHP 7
  skip tests requiring the intl extension if it's not installed
  [RateLimiter] Fix DateInterval normalization
  [Security] Store original token in token storage when implicitly exiting impersonation
  [Cache] Fix clear() when using Predis

Author: nicolas-grekas

Caster/ClassStub.php

@@ -56,7 +56,7 @@ public function __construct(string $identifier, callable|array|string|null $call
             }
 
             if (str_contains($identifier, "@anonymous\0")) {
-                $this->value = $identifier = preg_replace_callback('/[a-zA-Z_\x7f-\xff][\\\\a-zA-Z0-9_\x7f-\xff]*+@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)[0-9a-fA-F]++/', fn ($m) => class_exists($m[0], false) ? (get_parent_class($m[0]) ?: key(class_implements($m[0])) ?: 'class').'@anonymous' : $m[0], $identifier);
+                $this->value = $identifier = preg_replace_callback('/[a-zA-Z_\x7f-\xff][\\\\a-zA-Z0-9_\x7f-\xff]*+@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)?[0-9a-fA-F]++/', fn ($m) => class_exists($m[0], false) ? (get_parent_class($m[0]) ?: key(class_implements($m[0])) ?: 'class').'@anonymous' : $m[0], $identifier);
             }
 
             if (null !== $callable && $r instanceof \ReflectionFunctionAbstract) {

Caster/ExceptionCaster.php

@@ -299,7 +299,7 @@ private static function filterExceptionArray(string $xClass, array $a, string $x
         unset($a[$xPrefix.'string'], $a[Caster::PREFIX_DYNAMIC.'xdebug_message']);
 
         if (isset($a[Caster::PREFIX_PROTECTED.'message']) && str_contains($a[Caster::PREFIX_PROTECTED.'message'], "@anonymous\0")) {
-            $a[Caster::PREFIX_PROTECTED.'message'] = preg_replace_callback('/[a-zA-Z_\x7f-\xff][\\\\a-zA-Z0-9_\x7f-\xff]*+@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)[0-9a-fA-F]++/', fn ($m) => class_exists($m[0], false) ? (get_parent_class($m[0]) ?: key(class_implements($m[0])) ?: 'class').'@anonymous' : $m[0], $a[Caster::PREFIX_PROTECTED.'message']);
+            $a[Caster::PREFIX_PROTECTED.'message'] = preg_replace_callback('/[a-zA-Z_\x7f-\xff][\\\\a-zA-Z0-9_\x7f-\xff]*+@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)?[0-9a-fA-F]++/', fn ($m) => class_exists($m[0], false) ? (get_parent_class($m[0]) ?: key(class_implements($m[0])) ?: 'class').'@anonymous' : $m[0], $a[Caster::PREFIX_PROTECTED.'message']);
         }
 
         if (isset($a[Caster::PREFIX_PROTECTED.'file'], $a[Caster::PREFIX_PROTECTED.'line'])) {