Fixing up some ABI issues git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@134639 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/future b/include/future index 48b84cf..9f3780b 100644 --- a/include/future +++ b/include/future 
@@ -452,6 +452,8 @@    _LIBCPP_INLINE_VISIBILITY  const error_code& code() const throw() {return __ec_;} + + virtual ~future_error() _NOEXCEPT;  };    class __assoc_sub_state