[libc-commits] [libc] [llvm] [libc] Fix forward missing `BigInt` specialization of `mask_leading_ones` / `mask_trailing_ones` (PR #84325)

[Nick Desaulniers via libc-commits]

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


https://github.com/llvm/llvm-project/pull/84325