--- /dev/null
+From ca2e9c7f1b6bf92f1f67ae627692547710932577 Mon Sep 17 00:00:00 2001
+From: Dimitri John Ledkov <dimitri.j.ledkov@intel.com>
+Date: Wed, 27 May 2015 13:30:08 +0100
+Subject: [PATCH] Fix forward declaration of basic_string and list, for dual
+ abi libstdc++ with inline std::__cxx11 namespace.
+
+Closes facebook/folly#213
+Closes facebook/folly#208
+---
+ folly/Traits.h | 12 +++---------
+ 1 file changed, 3 insertions(+), 9 deletions(-)
+
+diff --git a/folly/Traits.h b/folly/Traits.h
+index 309157c..a279c02 100644
+--- a/folly/Traits.h
++++ b/folly/Traits.h
+@@ -19,6 +19,9 @@
+ #ifndef FOLLY_BASE_TRAITS_H_
+ #define FOLLY_BASE_TRAITS_H_
+
++#include <list>
++#include <string>
++
+ #include <memory>
+ #include <limits>
+ #include <type_traits>
+@@ -239,19 +242,10 @@ FOLLY_NAMESPACE_STD_BEGIN
+
+ template <class T, class U>
+ struct pair;
+-#ifndef _GLIBCXX_USE_FB
+-template <class T, class R, class A>
+- class basic_string;
+-#else
+-template <class T, class R, class A, class S>
+- class basic_string;
+-#endif
+ template <class T, class A>
+ class vector;
+ template <class T, class A>
+ class deque;
+-template <class T, class A>
+- class list;
+ template <class T, class C, class A>
+ class set;
+ template <class K, class V, class C, class A>