[libcxx-commits] [libcxx] Improve string allocation (PR #92652)

[Nikolas Klauser via libcxx-commits]

https://github.com/philnik777 requested changes to this pull request.

Could you expand a bit on why you think these are unnecessary? All of these checks look like they're required for correctness according to the standard or to keep string-internal invariants.

https://github.com/llvm/llvm-project/pull/92652