[libcxx-commits] [libcxx] [libcxx] Align allocation to match `__set_long_cap` and `__get_long_cap` (PR #90292)

[Nikolas Klauser via libcxx-commits]

philnik777 wrote:

BTW it's expected that there might be a byte dropped if the allocator returns more than what we asked for. That's completely legal for us to do. (But I don't think we test that for `string`, so it shouldn't affect the tests)

https://github.com/llvm/llvm-project/pull/90292