Remaining uncovered code would require mocking Perl 5's Config for one value; probably not worth the effort. Resolving ticket.
- [perl #43329] [TODO] config/auto/gcc.pm: Write unit t... James Keenan via RT
- [perl #43329] [TODO] config/auto/gcc.pm: Write u... James Keenan via RT
- [perl #43329] [TODO] config/auto/gcc.pm: Write u... James Keenan via RT