[libc-commits] [libc] [libc] Implement vasprintf and asprintf (PR #98824)

[Joseph Huber via libc-commits]

https://github.com/jhuber6 approved this pull request.

One nit, but I think it looks good overall. Wait for @michaelrj-google to sign off however.

https://github.com/llvm/llvm-project/pull/98824