diff --git a/composer.json b/composer.json
index 5a08af6efe..c268daa25c 100644
--- a/composer.json
+++ b/composer.json
@@ -102,7 +102,7 @@
         "phpdocumentor/reflection-docblock": "^3.0"
     },
     "conflict": {
-        "phpdocumentor/reflection-docblock": "<3.0||>=3.2.0,<3.2.1",
+        "phpdocumentor/reflection-docblock": "<3.0||>=3.2.0,<3.2.2",
         "phpdocumentor/type-resolver": "<0.2.0",
         "phpunit/phpunit": "<4.8.35|<5.4.3,>=5.0"
     },
diff --git a/src/Symfony/Component/DependencyInjection/Dumper/YamlDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/YamlDumper.php
index c03a4cd814..76f97315c7 100644
--- a/src/Symfony/Component/DependencyInjection/Dumper/YamlDumper.php
+++ b/src/Symfony/Component/DependencyInjection/Dumper/YamlDumper.php
@@ -118,6 +118,14 @@ class YamlDumper extends Dumper
             $code .= sprintf("        autowiring_types:\n%s", $autowiringTypesCode);
         }
 
+        if ($definition->isAutoconfigured()) {
+            $code .= "        autoconfigure: true\n";
+        }
+
+        if ($definition->isAbstract()) {
+            $code .= "        abstract: true\n";
+        }
+
         if ($definition->isLazy()) {
             $code .= "        lazy: true\n";
         }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Dumper/YamlDumperTest.php b/src/Symfony/Component/DependencyInjection/Tests/Dumper/YamlDumperTest.php
index bae948feee..968385633b 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Dumper/YamlDumperTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Dumper/YamlDumperTest.php
@@ -12,9 +12,11 @@
 namespace Symfony\Component\DependencyInjection\Tests\Dumper;
 
 use PHPUnit\Framework\TestCase;
+use Symfony\Component\Config\FileLocator;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Definition;
 use Symfony\Component\DependencyInjection\Dumper\YamlDumper;
+use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
 use Symfony\Component\Yaml\Yaml;
 use Symfony\Component\Yaml\Parser;
 
@@ -65,6 +67,16 @@ class YamlDumperTest extends TestCase
         $this->assertStringEqualsFile(self::$fixturesPath.'/yaml/services24.yml', $dumper->dump());
     }
 
+    public function testDumpLoad()
+    {
+        $container = new ContainerBuilder();
+        $loader = new YamlFileLoader($container, new FileLocator(self::$fixturesPath.'/yaml'));
+        $loader->load('services_dump_load.yml');
+
+        $dumper = new YamlDumper($container);
+        $this->assertStringEqualsFile(self::$fixturesPath.'/yaml/services_dump_load.yml', $dumper->dump());
+    }
+
     public function testInlineServices()
     {
         $container = new ContainerBuilder();
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/yaml/services_dump_load.yml b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/yaml/services_dump_load.yml
new file mode 100644
index 0000000000..43b0c7d58a
--- /dev/null
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/yaml/services_dump_load.yml
@@ -0,0 +1,14 @@
+
+services:
+    service_container:
+        class: Symfony\Component\DependencyInjection\ContainerInterface
+        synthetic: true
+    foo:
+        autoconfigure: true
+        abstract: true
+    Psr\Container\ContainerInterface:
+        alias: service_container
+        public: false
+    Symfony\Component\DependencyInjection\ContainerInterface:
+        alias: service_container
+        public: false
diff --git a/src/Symfony/Component/PropertyInfo/Tests/Extractors/PhpDocExtractorTest.php b/src/Symfony/Component/PropertyInfo/Tests/Extractors/PhpDocExtractorTest.php
index 8d1d9ab0ca..9cc0a8d6e1 100644
--- a/src/Symfony/Component/PropertyInfo/Tests/Extractors/PhpDocExtractorTest.php
+++ b/src/Symfony/Component/PropertyInfo/Tests/Extractors/PhpDocExtractorTest.php
@@ -92,6 +92,7 @@ class PhpDocExtractorTest extends TestCase
             array('donotexist', null, null, null),
             array('staticGetter', null, null, null),
             array('staticSetter', null, null, null),
+            array('emptyVar', null, null, null),
         );
     }
 
diff --git a/src/Symfony/Component/PropertyInfo/Tests/Extractors/ReflectionExtractorTest.php b/src/Symfony/Component/PropertyInfo/Tests/Extractors/ReflectionExtractorTest.php
index 5bf5d2e69a..d3a851d588 100644
--- a/src/Symfony/Component/PropertyInfo/Tests/Extractors/ReflectionExtractorTest.php
+++ b/src/Symfony/Component/PropertyInfo/Tests/Extractors/ReflectionExtractorTest.php
@@ -41,6 +41,7 @@ class ReflectionExtractorTest extends TestCase
                 'B',
                 'Guid',
                 'g',
+                'emptyVar',
                 'foo',
                 'foo2',
                 'foo3',
@@ -172,37 +173,63 @@ class ReflectionExtractorTest extends TestCase
         );
     }
 
-    public function testIsReadable()
+    /**
+     * @dataProvider getReadableProperties
+     */
+    public function testIsReadable($property, $expected)
     {
-        $this->assertFalse($this->extractor->isReadable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'bar', array()));
-        $this->assertFalse($this->extractor->isReadable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'baz', array()));
-        $this->assertTrue($this->extractor->isReadable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'parent', array()));
-        $this->assertTrue($this->extractor->isReadable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'a', array()));
-        $this->assertFalse($this->extractor->isReadable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'b', array()));
-        $this->assertTrue($this->extractor->isReadable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'c', array()));
-        $this->assertTrue($this->extractor->isReadable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'd', array()));
-        $this->assertFalse($this->extractor->isReadable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'e', array()));
-        $this->assertFalse($this->extractor->isReadable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'f', array()));
-        $this->assertTrue($this->extractor->isReadable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'Id', array()));
-        $this->assertTrue($this->extractor->isReadable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'id', array()));
-        $this->assertTrue($this->extractor->isReadable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'Guid', array()));
-        $this->assertFalse($this->extractor->isReadable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'guid', array()));
+        $this->assertSame(
+            $expected,
+            $this->extractor->isReadable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', $property, array())
+        );
     }
 
-    public function testIsWritable()
+    public function getReadableProperties()
     {
-        $this->assertFalse($this->extractor->isWritable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'bar', array()));
-        $this->assertFalse($this->extractor->isWritable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'baz', array()));
-        $this->assertTrue($this->extractor->isWritable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'parent', array()));
-        $this->assertFalse($this->extractor->isWritable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'a', array()));
-        $this->assertTrue($this->extractor->isWritable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'b', array()));
-        $this->assertFalse($this->extractor->isWritable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'c', array()));
-        $this->assertFalse($this->extractor->isWritable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'd', array()));
-        $this->assertTrue($this->extractor->isWritable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'e', array()));
-        $this->assertTrue($this->extractor->isWritable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'f', array()));
-        $this->assertFalse($this->extractor->isWritable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'Id', array()));
-        $this->assertTrue($this->extractor->isWritable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'Guid', array()));
-        $this->assertFalse($this->extractor->isWritable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', 'guid', array()));
+        return array(
+            array('bar', false),
+            array('baz', false),
+            array('parent', true),
+            array('a', true),
+            array('b', false),
+            array('c', true),
+            array('d', true),
+            array('e', false),
+            array('f', false),
+            array('Id', true),
+            array('id', true),
+            array('Guid', true),
+            array('guid', false),
+        );
+    }
+
+    /**
+     * @dataProvider getWritableProperties
+     */
+    public function testIsWritable($property, $expected)
+    {
+        $this->assertSame(
+            $expected,
+            $this->extractor->isWritable('Symfony\Component\PropertyInfo\Tests\Fixtures\Dummy', $property, array())
+        );
+    }
+
+    public function getWritableProperties()
+    {
+        return array(
+            array('bar', false),
+            array('baz', false),
+            array('parent', true),
+            array('a', false),
+            array('b', true),
+            array('c', false),
+            array('d', false),
+            array('e', true),
+            array('f', true),
+            array('Id', false),
+            array('Guid', true),
+            array('guid', false),
+        );
     }
 
     public function testSingularize()
diff --git a/src/Symfony/Component/PropertyInfo/Tests/Fixtures/Dummy.php b/src/Symfony/Component/PropertyInfo/Tests/Fixtures/Dummy.php
index d358bae13a..4e558eca01 100644
--- a/src/Symfony/Component/PropertyInfo/Tests/Fixtures/Dummy.php
+++ b/src/Symfony/Component/PropertyInfo/Tests/Fixtures/Dummy.php
@@ -68,6 +68,13 @@ class Dummy extends ParentDummy
      */
     public $g;
 
+    /**
+     * This should not be removed.
+     *
+     * @var
+     */
+    public $emptyVar;
+
     public static function getStatic()
     {
     }
diff --git a/src/Symfony/Component/PropertyInfo/composer.json b/src/Symfony/Component/PropertyInfo/composer.json
index 09d77061d2..8931bc9bff 100644
--- a/src/Symfony/Component/PropertyInfo/composer.json
+++ b/src/Symfony/Component/PropertyInfo/composer.json
@@ -34,7 +34,7 @@
         "doctrine/annotations": "~1.0"
     },
     "conflict": {
-        "phpdocumentor/reflection-docblock": "<3.0||>=3.2.0,<3.2.1",
+        "phpdocumentor/reflection-docblock": "<3.0||>=3.2.0,<3.2.2",
         "phpdocumentor/type-resolver": "<0.2.0",
         "symfony/dependency-injection": "<3.3"
     },