No functionality change at this time.  I've split _LIBCPP_VISIBLE up into two flags: _LIBCPP_TYPE_VIS and _LIBCPP_FUNC_VIS.  This is in preparation for taking advantage of clang's new __type_visibility__ attribute.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@176593 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/condition_variable b/include/condition_variable
index b1a50ee..dc67266 100644
--- a/include/condition_variable
+++ b/include/condition_variable
@@ -117,7 +117,7 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-class _LIBCPP_VISIBLE condition_variable_any
+class _LIBCPP_TYPE_VIS condition_variable_any
 {
     condition_variable __cv_;
     shared_ptr<mutex>  __mut_;
@@ -248,7 +248,7 @@
                       _VSTD::move(__pred));
 }
 
-_LIBCPP_VISIBLE
+_LIBCPP_FUNC_VIS
 void notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk);
 
 _LIBCPP_END_NAMESPACE_STD