[libc-commits] [libc] [libc] Clean up alternate test framework support (PR #89659)

[Roland McGrath via libc-commits]

frobtech wrote:

> Mind updating the PR description? Not sure what happened there.

`gh pr create --fill` did it when it was supposed to use the text from git.  I hate github.


https://github.com/llvm/llvm-project/pull/89659