[libcxx-commits] [libcxx] [libc++] Add __uninitialized_allocator_{fill, value_construct, move} and use them in vector (PR #207500)

[Louis Dionne via libcxx-commits]

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@@ -101,6 +101,9 @@ Potentially breaking changes
 - ``std::exception_ptr`` on Windows no longer relies on STL and is now implemented entirely within libc++.
   The implementation was donated by Microsoft and has been refactored to follow libc++ standards and conventions.
 
+- The destruction order as well as whether elements are destructed in ``vector`` when appending has changed.
+  Specifically, when an exception is thrown, the appended elements are now destructed from first to last.
----------------
ldionne wrote:

```suggestion
  Specifically, when an exception is thrown, the appended elements are now destructed from first to last instead of last to first.
```

https://github.com/llvm/llvm-project/pull/207500