[libcxx-commits] [libcxx] [libc++] Fix improper static_cast in std::deque and __split_buffer (PR #119106)

[Louis Dionne via libcxx-commits]

https://github.com/ldionne commented:

This makes sense to me, but would it make sense to try to exercise this with a test?

https://github.com/llvm/llvm-project/pull/119106