[libcxx-commits] [libcxx] bb3c060 - [libc++] Fix incorrect down-cast in __tree (#152181)

[via libcxx-commits]

Author: Nikolas Klauser
Date: 2025-08-05T19:55:30+02:00
New Revision: bb3c060ca41455bc48e48ec51a66910c164b4345

URL: https://github.com/llvm/llvm-project/commit/bb3c060ca41455bc48e48ec51a66910c164b4345
DIFF: https://github.com/llvm/llvm-project/commit/bb3c060ca41455bc48e48ec51a66910c164b4345.diff

LOG: [libc++] Fix incorrect down-cast in __tree (#152181)

Added: 
    

Modified: 
    libcxx/include/__tree

Removed: 
    


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diff  --git a/libcxx/include/__tree b/libcxx/include/__tree
index 1b1bb538029da..6ca1a623536f2 100644
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -1445,8 +1445,8 @@ __tree<_Tp, _Compare, _Allocator>::__tree(const __tree& __t)
 
   *__root_ptr()       = static_cast<__node_base_pointer>(__copy_construct_tree(__t.__root()));
   __root()->__parent_ = __end_node();
-  __begin_node_ = static_cast<__end_node_pointer>(std::__tree_min(static_cast<__node_base_pointer>(__end_node())));
-  __size_       = __t.size();
+  __begin_node_       = static_cast<__end_node_pointer>(std::__tree_min(__end_node()->__left_));
+  __size_             = __t.size();
 }
 
 template <class _Tp, class _Compare, class _Allocator>