diff --git a/src/Symfony/Bridge/ProxyManager/Tests/LazyProxy/PhpDumper/ProxyDumperTest.php b/src/Symfony/Bridge/ProxyManager/Tests/LazyProxy/PhpDumper/ProxyDumperTest.php
index cd3af44a81..8b6555cfe2 100644
--- a/src/Symfony/Bridge/ProxyManager/Tests/LazyProxy/PhpDumper/ProxyDumperTest.php
+++ b/src/Symfony/Bridge/ProxyManager/Tests/LazyProxy/PhpDumper/ProxyDumperTest.php
@@ -107,7 +107,7 @@ class ProxyDumperTest extends \PHPUnit_Framework_TestCase
         $definitions = array(
             array(new Definition(__CLASS__), true),
             array(new Definition('stdClass'), true),
-            array(new Definition('foo'.uniqid()), false),
+            array(new Definition(uniqid('foo', true)), false),
             array(new Definition(), false),
         );
 
diff --git a/src/Symfony/Bridge/Twig/Command/LintCommand.php b/src/Symfony/Bridge/Twig/Command/LintCommand.php
index 3581641d2d..1f43afcdc4 100644
--- a/src/Symfony/Bridge/Twig/Command/LintCommand.php
+++ b/src/Symfony/Bridge/Twig/Command/LintCommand.php
@@ -105,7 +105,7 @@ EOF
                 $template .= fread(STDIN, 1024);
             }
 
-            return $this->display($input, $output, $io, array($this->validate($twig, $template, uniqid('sf_'))));
+            return $this->display($input, $output, $io, array($this->validate($twig, $template, uniqid('sf_', true))));
         }
 
         $filesInfo = $this->getFilesInfo($twig, $filenames);
diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/AddConstraintValidatorsPass.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/AddConstraintValidatorsPass.php
index e1e1edc416..800a32e2f3 100644
--- a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/AddConstraintValidatorsPass.php
+++ b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/AddConstraintValidatorsPass.php
@@ -28,7 +28,17 @@ class AddConstraintValidatorsPass implements CompilerPassInterface
                 $validators[$attributes[0]['alias']] = $id;
             }
 
-            $validators[$container->getDefinition($id)->getClass()] = $id;
+            $definition = $container->getDefinition($id);
+
+            if (!$definition->isPublic()) {
+                throw new InvalidArgumentException(sprintf('The service "%s" must be public as it can be lazy-loaded.', $id));
+            }
+
+            if ($definition->isAbstract()) {
+                throw new InvalidArgumentException(sprintf('The service "%s" must not be abstract as it can be lazy-loaded.', $id));
+            }
+
+            $validators[$definition->getClass()] = $id;
         }
 
         $container->getDefinition('validator.validator_factory')->replaceArgument(1, $validators);
diff --git a/src/Symfony/Bundle/FrameworkBundle/FrameworkBundle.php b/src/Symfony/Bundle/FrameworkBundle/FrameworkBundle.php
index 7ed44c5bb8..dd0e839bf9 100644
--- a/src/Symfony/Bundle/FrameworkBundle/FrameworkBundle.php
+++ b/src/Symfony/Bundle/FrameworkBundle/FrameworkBundle.php
@@ -75,7 +75,7 @@ class FrameworkBundle extends Bundle
         // but as late as possible to get resolved parameters
         $container->addCompilerPass(new RegisterListenersPass(), PassConfig::TYPE_BEFORE_REMOVING);
         $container->addCompilerPass(new TemplatingPass());
-        $container->addCompilerPass(new AddConstraintValidatorsPass());
+        $container->addCompilerPass(new AddConstraintValidatorsPass(), PassConfig::TYPE_BEFORE_REMOVING);
         $container->addCompilerPass(new AddValidatorInitializersPass());
         $container->addCompilerPass(new AddConsoleCommandPass());
         $container->addCompilerPass(new FormPass());
diff --git a/src/Symfony/Component/Validator/Constraint.php b/src/Symfony/Component/Validator/Constraint.php
index 4d6ab3eaac..fc5288d13b 100644
--- a/src/Symfony/Component/Validator/Constraint.php
+++ b/src/Symfony/Component/Validator/Constraint.php
@@ -129,6 +129,9 @@ abstract class Constraint
             unset($options['value']);
         }
 
+        if (is_array($options)) {
+            reset($options);
+        }
         if (is_array($options) && count($options) > 0 && is_string(key($options))) {
             foreach ($options as $option => $value) {
                 if (array_key_exists($option, $knownOptions)) {
diff --git a/src/Symfony/Component/Validator/Tests/ConstraintTest.php b/src/Symfony/Component/Validator/Tests/ConstraintTest.php
index f63570c5d2..d473f14f65 100644
--- a/src/Symfony/Component/Validator/Tests/ConstraintTest.php
+++ b/src/Symfony/Component/Validator/Tests/ConstraintTest.php
@@ -206,4 +206,35 @@ class ConstraintTest extends \PHPUnit_Framework_TestCase
     {
         Constraint::getErrorName(1);
     }
+
+    public function testOptionsAsDefaultOption()
+    {
+        $constraint = new ConstraintA($options = array('value1'));
+
+        $this->assertEquals($options, $constraint->property2);
+
+        $constraint = new ConstraintA($options = array('value1', 'property1' => 'value2'));
+
+        $this->assertEquals($options, $constraint->property2);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Validator\Exception\InvalidOptionsException
+     * @expectedExceptionMessage The options "0", "5" do not exist
+     */
+    public function testInvalidOptions()
+    {
+        new ConstraintA(array('property2' => 'foo', 'bar', 5 => 'baz'));
+    }
+
+    public function testOptionsWithInvalidInternalPointer()
+    {
+        $options = array('property1' => 'foo');
+        next($options);
+        next($options);
+
+        $constraint = new ConstraintA($options);
+
+        $this->assertEquals('foo', $constraint->property1);
+    }
 }