[libc-commits] [libc] [libc][test] make `str_to_float_comparison_test` independent of C++ headers. (PR #133978)

[Michael Jones via libc-commits]

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

Overall LGTM, but wait for lntue to approve for the cmake.

https://github.com/llvm/llvm-project/pull/133978