[clang] [Driver][PS5] Set visibility option defaults (PR #92091)

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bd1976bris wrote:

> LGTM. I noted a couple of redundant checks, but if you think it's better for them to be explicit, I'm okay with keeping them.

Thanks. I think in this case it makes it more obvious what is primarily been checked in these cases to have the check explicit.

https://github.com/llvm/llvm-project/pull/92091