diff --git a/src/Symfony/Component/Filesystem/Filesystem.php b/src/Symfony/Component/Filesystem/Filesystem.php
index 785c7a0922..cbfa98c2e5 100644
--- a/src/Symfony/Component/Filesystem/Filesystem.php
+++ b/src/Symfony/Component/Filesystem/Filesystem.php
@@ -158,12 +158,13 @@ class Filesystem
         $files = iterator_to_array($this->toIterator($files));
         $files = array_reverse($files);
         foreach ($files as $file) {
+            if (@(unlink($file) || rmdir($file))) {
+                continue;
+            }
             if (is_link($file)) {
-                // Workaround https://bugs.php.net/52176
-                if (!@unlink($file) && !@rmdir($file)) {
-                    $error = error_get_last();
-                    throw new IOException(sprintf('Failed to remove symlink "%s": %s.', $file, $error['message']));
-                }
+                // See https://bugs.php.net/52176
+                $error = error_get_last();
+                throw new IOException(sprintf('Failed to remove symlink "%s": %s.', $file, $error['message']));
             } elseif (is_dir($file)) {
                 $this->remove(new \FilesystemIterator($file));
 
@@ -171,11 +172,9 @@ class Filesystem
                     $error = error_get_last();
                     throw new IOException(sprintf('Failed to remove directory "%s": %s.', $file, $error['message']));
                 }
-            } elseif ($this->exists($file)) {
-                if (!@unlink($file)) {
-                    $error = error_get_last();
-                    throw new IOException(sprintf('Failed to remove file "%s": %s.', $file, $error['message']));
-                }
+            } elseif (file_exists($file)) {
+                $error = error_get_last();
+                throw new IOException(sprintf('Failed to remove file "%s": %s.', $file, $error['message']));
             }
         }
     }
@@ -435,7 +434,7 @@ class Filesystem
             $target = str_replace($originDir, $targetDir, $file->getPathname());
 
             if ($copyOnWindows) {
-                if (is_link($file) || is_file($file)) {
+                if (is_file($file)) {
                     $this->copy($file, $target, isset($options['override']) ? $options['override'] : false);
                 } elseif (is_dir($file)) {
                     $this->mkdir($target);
diff --git a/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php b/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
index 6d63a42aa1..0ca2904833 100644
--- a/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
+++ b/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
@@ -744,6 +744,8 @@ class FilesystemTest extends FilesystemTestCase
         $this->filesystem->remove($link);
 
         $this->assertTrue(!is_link($link));
+        $this->assertTrue(!is_file($link));
+        $this->assertTrue(!is_dir($link));
     }
 
     public function testSymlinkIsOverwrittenIfPointsToDifferentTarget()
@@ -917,7 +919,7 @@ class FilesystemTest extends FilesystemTestCase
         $this->filesystem->mirror($sourcePath, $targetPath);
 
         $this->assertTrue(is_dir($targetPath));
-        $this->assertFileEquals($sourcePath.'file1', $targetPath.DIRECTORY_SEPARATOR.'link1');
+        $this->assertFileEquals($sourcePath.'file1', $targetPath.'link1');
         $this->assertTrue(is_link($targetPath.DIRECTORY_SEPARATOR.'link1'));
     }
 
@@ -937,7 +939,7 @@ class FilesystemTest extends FilesystemTestCase
         $this->filesystem->mirror($sourcePath, $targetPath);
 
         $this->assertTrue(is_dir($targetPath));
-        $this->assertFileEquals($sourcePath.'/nested/file1.txt', $targetPath.DIRECTORY_SEPARATOR.'link1/file1.txt');
+        $this->assertFileEquals($sourcePath.'/nested/file1.txt', $targetPath.'link1/file1.txt');
         $this->assertTrue(is_link($targetPath.DIRECTORY_SEPARATOR.'link1'));
     }
 
@@ -961,7 +963,7 @@ class FilesystemTest extends FilesystemTestCase
         $this->filesystem->mirror($sourcePath, $targetPath);
 
         $this->assertTrue(is_dir($targetPath));
-        $this->assertFileEquals($sourcePath.'/nested/file1.txt', $targetPath.DIRECTORY_SEPARATOR.'link1/file1.txt');
+        $this->assertFileEquals($sourcePath.'/nested/file1.txt', $targetPath.'link1/file1.txt');
         $this->assertTrue(is_link($targetPath.DIRECTORY_SEPARATOR.'link1'));
         $this->assertEquals('\\' === DIRECTORY_SEPARATOR ? realpath($sourcePath.'\nested') : 'nested', readlink($targetPath.DIRECTORY_SEPARATOR.'link1'));
     }
diff --git a/src/Symfony/Component/Filesystem/Tests/FilesystemTestCase.php b/src/Symfony/Component/Filesystem/Tests/FilesystemTestCase.php
index 1f245f49b5..c1ef723994 100644
--- a/src/Symfony/Component/Filesystem/Tests/FilesystemTestCase.php
+++ b/src/Symfony/Component/Filesystem/Tests/FilesystemTestCase.php
@@ -36,9 +36,8 @@ class FilesystemTestCase extends \PHPUnit_Framework_TestCase
         if ('\\' === DIRECTORY_SEPARATOR && null === self::$symlinkOnWindows) {
             $target = tempnam(sys_get_temp_dir(), 'sl');
             $link = sys_get_temp_dir().'/sl'.microtime(true).mt_rand();
-            if (self::$symlinkOnWindows = @symlink($target, $link)) {
-                unlink($link);
-            }
+            self::$symlinkOnWindows = @symlink($target, $link) && is_link($link);
+            @unlink($link);
             unlink($target);
         }
     }
diff --git a/src/Symfony/Component/Validator/Constraints/LocaleValidator.php b/src/Symfony/Component/Validator/Constraints/LocaleValidator.php
index 038a1a47b0..e998c33877 100644
--- a/src/Symfony/Component/Validator/Constraints/LocaleValidator.php
+++ b/src/Symfony/Component/Validator/Constraints/LocaleValidator.php
@@ -43,8 +43,9 @@ class LocaleValidator extends ConstraintValidator
 
         $value = (string) $value;
         $locales = Intl::getLocaleBundle()->getLocaleNames();
+        $aliases = Intl::getLocaleBundle()->getAliases();
 
-        if (!isset($locales[$value])) {
+        if (!isset($locales[$value]) && !in_array($value, $aliases)) {
             if ($this->context instanceof ExecutionContextInterface) {
                 $this->context->buildViolation($constraint->message)
                     ->setParameter('{{ value }}', $this->formatValue($value))
diff --git a/src/Symfony/Component/Validator/Tests/Constraints/LocaleValidatorTest.php b/src/Symfony/Component/Validator/Tests/Constraints/LocaleValidatorTest.php
index c019fdf37e..823a861e85 100644
--- a/src/Symfony/Component/Validator/Tests/Constraints/LocaleValidatorTest.php
+++ b/src/Symfony/Component/Validator/Tests/Constraints/LocaleValidatorTest.php
@@ -67,6 +67,7 @@ class LocaleValidatorTest extends AbstractConstraintValidatorTest
             array('pt'),
             array('pt_PT'),
             array('zh_Hans'),
+            array('fil_PH'),
         );
     }
 
diff --git a/src/Symfony/Component/Validator/composer.json b/src/Symfony/Component/Validator/composer.json
index 463a686e7f..effc4d7db4 100644
--- a/src/Symfony/Component/Validator/composer.json
+++ b/src/Symfony/Component/Validator/composer.json
@@ -22,7 +22,7 @@
     "require-dev": {
         "doctrine/common": "~2.3",
         "symfony/http-foundation": "~2.1",
-        "symfony/intl": "~2.4",
+        "symfony/intl": "~2.7.4",
         "symfony/yaml": "~2.0,>=2.0.5",
         "symfony/config": "~2.2",
         "symfony/property-access": "~2.3",