[libc-commits] [libc] [libc] Fix memory leak in MPFRWrapper cospif with MPFR pre 4.2. (PR #114415)

[Nick Desaulniers via libc-commits]

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

If this was fixed in a newer version of MPFR, consider adding a link to the commit in the PR description, and a comment to the sources if this statement should be removed at some point.

https://github.com/llvm/llvm-project/pull/114415