Merge branch '4.4' into 5.2

* 4.4:
  [SecurityBundle] role_names variable instead of roles
  [PhpUnitBridge] fix reporting deprecations when they come from DebugClassLoader
  [ErrorHandler] fix parsing return types in DebugClassLoader
  [ErrorHandler] fix handling messages with null bytes from anonymous classes
  Restore priority for eventSubscribers

Author: nicolas-grekas

CacheWarmer/ExpressionCacheWarmer.php

@@ -40,7 +40,7 @@ public function isOptional()
     public function warmUp(string $cacheDir)
     {
         foreach ($this->expressions as $expression) {
-            $this->expressionLanguage->parse($expression, ['token', 'user', 'object', 'subject', 'roles', 'request', 'trust_resolver']);
+            $this->expressionLanguage->parse($expression, ['token', 'user', 'object', 'subject', 'role_names', 'request', 'trust_resolver']);
         }
 
         return [];

Tests/CacheWarmer/ExpressionCacheWarmerTest.php

@@ -26,8 +26,8 @@ public function testWarmUp()
         $expressionLang->expects($this->exactly(2))
             ->method('parse')
             ->withConsecutive(
-                [$expressions[0], ['token', 'user', 'object', 'subject', 'roles', 'request', 'trust_resolver']],
-                [$expressions[1], ['token', 'user', 'object', 'subject', 'roles', 'request', 'trust_resolver']]
+                [$expressions[0], ['token', 'user', 'object', 'subject', 'role_names', 'request', 'trust_resolver']],
+                [$expressions[1], ['token', 'user', 'object', 'subject', 'role_names', 'request', 'trust_resolver']]
             );
 
         (new ExpressionCacheWarmer($expressions, $expressionLang))->warmUp('');