================
@@ -289,46 +296,47 @@ template <class _NodePtr>
_LIBCPP_HIDE_FROM_ABI void __tree_balance_after_insert(_NodePtr __root,
_NodePtr __x) _NOEXCEPT {
_LIBCPP_ASSERT_INTERNAL(__root != nullptr, "Root of the tree shouldn't be
null");
_LIBCPP_ASSERT_INTERNAL(__x != nullptr, "Can't attach null node to a leaf");
- __x->__is_black_ = __x == __root;
- while (__x != __root && !__x->__parent_unsafe()->__is_black_) {
- // __x->__parent_ != __root because __x->__parent_->__is_black == false
+ using enum __tree_color;
----------------
ldionne wrote:
```suggestion
```
https://github.com/llvm/llvm-project/pull/147679
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