Nico Rieck: this patch series fixes visibility issues on Windows as explained in <http://lists.cs.uiuc.edu/pipermail/cfe-dev/2013-August/031214.html>. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@188192 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/ios b/include/ios index c10003d..f3d4840 100644 --- a/include/ios +++ b/include/ios 
@@ -380,11 +380,11 @@  _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(io_errc)    template <> -struct _LIBCPP_TYPE_VIS is_error_code_enum<io_errc> : public true_type { }; +struct _LIBCPP_TYPE_VIS_ONLY is_error_code_enum<io_errc> : public true_type { };    #ifdef _LIBCPP_HAS_NO_STRONG_ENUMS  template <> -struct _LIBCPP_TYPE_VIS is_error_code_enum<io_errc::__lx> : public true_type { }; +struct _LIBCPP_TYPE_VIS_ONLY is_error_code_enum<io_errc::__lx> : public true_type { };  #endif    _LIBCPP_FUNC_VIS @@ -560,7 +560,7 @@  }    template <class _CharT, class _Traits> -class _LIBCPP_TYPE_VIS basic_ios +class _LIBCPP_TYPE_VIS_ONLY basic_ios  : public ios_base  {  public: