[libcxx-commits] [libcxx] Reapply "[libc++] Fix incorrect size check when growing std::string" (#234545) (PR #234551)

[A. Jiang via libcxx-commits]

https://github.com/frederick-vs-ja approved this pull request.

For record: The semantically conflicting commit was eec054bb4a74ed8605efc4c25ab7f046f665d0b3 (#225296).

https://github.com/llvm/llvm-project/pull/234551