Merge branch '3.4'

* 3.4: (22 commits)
  use Precise on Travis to keep PHP LDAP support
  Fix case sensitive sameSite cookie
  [PropertyInfo] Use rawurlencode to escape PSR-6 keys
  fix(security): ensure the 'route' index is set before attempting to use it
  Fix registering lazy command services with autoconfigure enabled
  Fix the design of the profiler exceptions when there is no message
  [Config] Minor fix
  document the TwigRenderer class deprecation
  [Security] added more tests
  [Security] fixed default target path when referer contains a query string
  [Security] simplified tests
  [Security] refactored tests
  [WebProfilerBundle][TwigBundle] Fix infinite js loop on exception pages
  [FrameworkBundle] fix ValidatorCacheWarmer: use serializing ArrayAdapter
  Change "this" to "that" to avoid confusion
  [VarDumper] Move locale sniffing to dump() time
  [VarDumper] Use "C" locale when using "comma" flags
  [Config] Make ClassExistenceResource throw on invalid parents
  [DebugBundle] Added min_depth to Configuration
  [Console] Add a factory command loader for standalone application with lazy-loading needs
  ...

Author: nicolas-grekas

Resource/ClassExistenceResource.php

@@ -25,6 +25,7 @@ class ClassExistenceResource implements SelfCheckingResourceInterface, \Serializ
     private $exists;
 
     private static $autoloadLevel = 0;
+    private static $autoloadedClass;
     private static $existsCache = array();
 
     /**
@@ -57,6 +58,8 @@ public function getResource()
 
     /**
      * {@inheritdoc}
+     *
+     * @throws \ReflectionException when a parent class/interface/trait is not found
      */
     public function isFresh($timestamp)
     {
@@ -68,12 +71,13 @@ public function isFresh($timestamp)
             if (!self::$autoloadLevel++) {
                 spl_autoload_register(__CLASS__.'::throwOnRequiredClass');
             }
+            $autoloadedClass = self::$autoloadedClass;
+            self::$autoloadedClass = $this->resource;
 
             try {
                 $exists = class_exists($this->resource) || interface_exists($this->resource, false) || trait_exists($this->resource, false);
-            } catch (\ReflectionException $e) {
-                $exists = false;
             } finally {
+                self::$autoloadedClass = $autoloadedClass;
                 if (!--self::$autoloadLevel) {
                     spl_autoload_unregister(__CLASS__.'::throwOnRequiredClass');
                 }
@@ -112,7 +116,10 @@ public function unserialize($serialized)
      */
     private static function throwOnRequiredClass($class)
     {
-        $e = new \ReflectionException("Class $class does not exist");
+        if (self::$autoloadedClass === $class) {
+            return;
+        }
+        $e = new \ReflectionException("Class $class not found");
         $trace = $e->getTrace();
         $autoloadFrame = array(
             'function' => 'spl_autoload_call',
@@ -138,6 +145,18 @@ private static function throwOnRequiredClass($class)
                 case 'is_callable':
                     return;
             }
+
+            $props = array(
+                'file' => $trace[$i]['file'],
+                'line' => $trace[$i]['line'],
+                'trace' => array_slice($trace, 1 + $i),
+            );
+
+            foreach ($props as $p => $v) {
+                $r = new \ReflectionProperty('Exception', $p);
+                $r->setAccessible(true);
+                $r->setValue($e, $v);
+            }
         }
 
         throw $e;