Fix unused parameters and variables git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@290459 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/__tree b/include/__tree index 4c94fe5..485a6c1 100644 --- a/include/__tree +++ b/include/__tree 
@@ -1428,7 +1428,7 @@  __node_alloc() = __t.__node_alloc();  }  _LIBCPP_INLINE_VISIBILITY - void __copy_assign_alloc(const __tree& __t, false_type) {} + void __copy_assign_alloc(const __tree&, false_type) {}    void __move_assign(__tree& __t, false_type);  void __move_assign(__tree& __t, true_type) @@ -1448,7 +1448,7 @@  _NOEXCEPT_(is_nothrow_move_assignable<__node_allocator>::value)  {__node_alloc() = _VSTD::move(__t.__node_alloc());}  _LIBCPP_INLINE_VISIBILITY - void __move_assign_alloc(__tree& __t, false_type) _NOEXCEPT {} + void __move_assign_alloc(__tree&, false_type) _NOEXCEPT {}    __node_pointer __detach();  static __node_pointer __detach(__node_pointer);