diff --git a/include/boost/container/detail/std_fwd.hpp b/include/boost/container/detail/std_fwd.hpp
index a2931c1..73711eb 100644
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b
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23 | 23 | // Standard predeclarations |
24 | 24 | ////////////////////////////////////////////////////////////////////////////// |
25 | 25 | |
26 | | #if defined(__clang__) && defined(_LIBCPP_VERSION) |
| 26 | #if defined(_LIBCPP_VERSION) |
27 | 27 | #define BOOST_CONTAINER_CLANG_INLINE_STD_NS |
28 | 28 | #pragma GCC diagnostic push |
| 29 | #if defined(__clang__) |
29 | 30 | #pragma GCC diagnostic ignored "-Wc++11-extensions" |
| 31 | #endif |
30 | 32 | #define BOOST_CONTAINER_STD_NS_BEG _LIBCPP_BEGIN_NAMESPACE_STD |
31 | 33 | #define BOOST_CONTAINER_STD_NS_END _LIBCPP_END_NAMESPACE_STD |
32 | 34 | #elif defined(BOOST_GNU_STDLIB) && defined(_GLIBCXX_BEGIN_NAMESPACE_VERSION) //GCC >= 4.6 |