[Driver] Wrap -lgcc_s in -z ignore/-z record on Solaris (#65487)

`clang` currently links `libgcc_s` unconditionally on Solaris, which is
unnecessary.

This patch wraps it in `-z ignore`/`-z record` instead.

Tested on `amd64-pc-solaris2.11` and `x86_64-pc-linux-gnu`.