[libcxx-commits] [libcxx] [libc++] Disallow character types being index types of `extents` (PR #105832)

[Christian Trott via libcxx-commits]

crtrott wrote:

Sorry I lost track of this. Its fine i don't need to do the work if soneone else takes the initiative ;-). I can review though.

https://github.com/llvm/llvm-project/pull/105832