[libc-commits] [libc] [libc] Fix bugs found when testing with all headers (PR #144049)

[Michael Jones via libc-commits]

https://github.com/michaelrj-google commented:

Thanks for finding these! This change looks good, though I left a comment on why I don't think we should have float tests in `converter_test.cpp`

https://github.com/llvm/llvm-project/pull/144049