[libcxx-commits] [libcxx] [libc++][string] Remove potential non-trailing 0-length array (PR #105865)

[A. Jiang via libcxx-commits]

frederick-vs-ja wrote:

> It's an extension that compilers currently support, so I don't really see why the new implementation is better.

Perhaps the change will make `-Wzero-length-array` happy. #74183 seems related. 

https://github.com/llvm/llvm-project/pull/105865