In many places, there was an #ifdef/#else block that selected one of two implmentations of rebind_alloc based on whether or not we had template aliases. Create a helper struct to encapsulate that bit of logic, and replace all the ifdefs with uses of that struct. No functionality change intented.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@234296 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/__tree b/include/__tree
index 77bf081..588f438 100644
--- a/include/__tree
+++ b/include/__tree
@@ -802,13 +802,7 @@
typedef __tree_node<value_type, __void_pointer> __node;
typedef __tree_node_base<__void_pointer> __node_base;
- typedef typename __alloc_traits::template
-#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
- rebind_alloc<__node>
-#else
- rebind_alloc<__node>::other
-#endif
- __node_allocator;
+ typedef typename __rebind_alloc_helper<__alloc_traits, __node>::type __node_allocator;
typedef allocator_traits<__node_allocator> __node_traits;
typedef typename __node_traits::pointer __node_pointer;
typedef typename __node_traits::pointer __node_const_pointer;