diff --git a/src/Symfony/Component/Debug/ErrorHandler.php b/src/Symfony/Component/Debug/ErrorHandler.php
index 91a59058dc..f315a536ea 100644
--- a/src/Symfony/Component/Debug/ErrorHandler.php
+++ b/src/Symfony/Component/Debug/ErrorHandler.php
@@ -350,7 +350,7 @@ class ErrorHandler
      *
      * @internal
      */
-    public function handleError($type, $message, $file, $line, array $context)
+    public function handleError($type, $message, $file, $line, array $context, array $backtrace = null)
     {
         $level = error_reporting() | E_RECOVERABLE_ERROR | E_USER_ERROR;
         $log = $this->loggedErrors & $type;
@@ -367,6 +367,15 @@ class ErrorHandler
             $context = $e;
         }
 
+        if (null !== $backtrace && $type & E_ERROR) {
+            // E_ERROR fatal errors are triggered on HHVM when
+            // hhvm.error_handling.call_user_handler_on_fatals=1
+            // which is the way to get their backtrace.
+            $this->handleFatalError(compact('type', 'message', 'file', 'line', 'backtrace'));
+
+            return true;
+        }
+
         if ($throw) {
             if (($this->scopedErrors & $type) && class_exists('Symfony\Component\Debug\Exception\ContextErrorException')) {
                 // Checking for class existence is a work around for https://bugs.php.net/42098
@@ -402,10 +411,17 @@ class ErrorHandler
             if ($this->scopedErrors & $type) {
                 $e['scope_vars'] = $context;
                 if ($trace) {
-                    $e['stack'] = debug_backtrace(true); // Provide object
+                    $e['stack'] = $backtrace ?: debug_backtrace(true); // Provide object
                 }
             } elseif ($trace) {
-                $e['stack'] = debug_backtrace(PHP_VERSION_ID >= 50306 ? DEBUG_BACKTRACE_IGNORE_ARGS : false);
+                if (null === $backtrace) {
+                    $e['stack'] = debug_backtrace(PHP_VERSION_ID >= 50306 ? DEBUG_BACKTRACE_IGNORE_ARGS : false);
+                } else {
+                    foreach ($backtrace as &$frame) {
+                        unset($frame['args'], $frame);
+                    }
+                    $e['stack'] = $backtrace;
+                }
             }
         }
 
@@ -505,7 +521,11 @@ class ErrorHandler
      */
     public static function handleFatalError(array $error = null)
     {
-        self::$reservedMemory = '';
+        if (null === self::$reservedMemory) {
+            return;
+        }
+
+        self::$reservedMemory = null;
 
         $handler = set_error_handler('var_dump', 0);
         $handler = is_array($handler) ? $handler[0] : null;
@@ -527,14 +547,15 @@ class ErrorHandler
             // Handled below
         }
 
-        if ($error && ($error['type'] & (E_PARSE | E_ERROR | E_CORE_ERROR | E_COMPILE_ERROR))) {
+        if ($error && $error['type'] &= E_PARSE | E_ERROR | E_CORE_ERROR | E_COMPILE_ERROR) {
             // Let's not throw anymore but keep logging
             $handler->throwAt(0, true);
+            $trace = isset($error['backtrace']) ? $error['backtrace'] : null;
 
             if (0 === strpos($error['message'], 'Allowed memory') || 0 === strpos($error['message'], 'Out of memory')) {
-                $exception = new OutOfMemoryException($handler->levels[$error['type']].': '.$error['message'], 0, $error['type'], $error['file'], $error['line'], 2, false);
+                $exception = new OutOfMemoryException($handler->levels[$error['type']].': '.$error['message'], 0, $error['type'], $error['file'], $error['line'], 2, false, $trace);
             } else {
-                $exception = new FatalErrorException($handler->levels[$error['type']].': '.$error['message'], 0, $error['type'], $error['file'], $error['line'], 2, true);
+                $exception = new FatalErrorException($handler->levels[$error['type']].': '.$error['message'], 0, $error['type'], $error['file'], $error['line'], 2, true, $trace);
             }
         } elseif (!isset($exception)) {
             return;
diff --git a/src/Symfony/Component/Debug/Exception/FatalErrorException.php b/src/Symfony/Component/Debug/Exception/FatalErrorException.php
index d142051ba9..f46e20875a 100644
--- a/src/Symfony/Component/Debug/Exception/FatalErrorException.php
+++ b/src/Symfony/Component/Debug/Exception/FatalErrorException.php
@@ -35,11 +35,19 @@ use Symfony\Component\HttpKernel\Exception\FatalErrorException as LegacyFatalErr
  */
 class FatalErrorException extends LegacyFatalErrorException
 {
-    public function __construct($message, $code, $severity, $filename, $lineno, $traceOffset = null, $traceArgs = true)
+    public function __construct($message, $code, $severity, $filename, $lineno, $traceOffset = null, $traceArgs = true, array $trace = null)
     {
         parent::__construct($message, $code, $severity, $filename, $lineno);
 
-        if (null !== $traceOffset) {
+        if (null !== $trace) {
+            if (!$traceArgs) {
+                foreach ($trace as &$frame) {
+                    unset($frame['args'], $frame['this'], $frame);
+                }
+            }
+
+            $this->setTrace($trace);
+        } elseif (null !== $traceOffset) {
             if (function_exists('xdebug_get_function_stack')) {
                 $trace = xdebug_get_function_stack();
                 if (0 < $traceOffset) {
@@ -48,7 +56,7 @@ class FatalErrorException extends LegacyFatalErrorException
 
                 foreach ($trace as &$frame) {
                     if (!isset($frame['type'])) {
-                        //  XDebug pre 2.1.1 doesn't currently set the call type key http://bugs.xdebug.org/view.php?id=695
+                        // XDebug pre 2.1.1 doesn't currently set the call type key http://bugs.xdebug.org/view.php?id=695
                         if (isset($frame['class'])) {
                             $frame['type'] = '::';
                         }