Merge remote-tracking branch 'origin/bugfix' into magento2

Author: Oleksii Korshenko

setup/src/Magento/Setup/Model/FilePermissions.php

@@ -125,11 +125,15 @@ public function getInstallationCurrentWritableDirectories()
      */
     private function checkRecursiveDirectories($directory)
     {
+        $skipDirs = ['..', '.'];
         $directoryIterator = new \RecursiveIteratorIterator(
             new \RecursiveDirectoryIterator($directory),
             \RecursiveIteratorIterator::LEAVES_ONLY | \RecursiveIteratorIterator::CATCH_GET_CHILD
         );
         foreach ($directoryIterator as $subDirectory) {
+            if (in_array($subDirectory->getFilename(), $skipDirs)) {
+                continue;
+            }
             if ($subDirectory->isDir() && !$subDirectory->isWritable()) {
                 return false;
             }

setup/src/Magento/Setup/Model/PhpReadinessCheck.php

@@ -191,8 +191,8 @@ private function checkXDebugNestedLevel()
      */
     private function checkPopulateRawPostSetting()
     {
-        // HHVM does not support 'always_populate_raw_post_data' to be set to -1
-        if (defined('HHVM_VERSION')) {
+        // HHVM and PHP 7does not support 'always_populate_raw_post_data' to be set to -1
+        if (version_compare(PHP_VERSION, '7.0.0-beta') >= 0 || defined('HHVM_VERSION')) {
             return [];
         }