[clang] [Driver] Silence stdlib warning when linking C on FreeBSD (PR #68011)

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dankm wrote:

> The Darwin toolchain also does this. This change LGTM, although I'm not an expert in FreeBSD.

Thanks. I think I'd like some FreeBSD folks to take a look. I wonder if it's rude to @ mention a few... maybe I will.

The ones I can think of immediately are @DimitryAndric, @emaste, and @jrtc27.

https://github.com/llvm/llvm-project/pull/68011