OK, I’ve filed the tracking issue for this evaluation:
https://github.com/alexcrichton/gcc-rs/issues/198
There are several here that need some bikeshedding still, or where the details are not clear to me:
https://github.com/alexcrichton/gcc-rs/issues/174
https://github.com/alexcrichton/gcc-rs/issues/184
https://github.com/alexcrichton/gcc-rs/issues/189
https://github.com/alexcrichton/gcc-rs/issues/190
https://github.com/alexcrichton/gcc-rs/issues/191
https://github.com/alexcrichton/gcc-rs/issues/195
This also uncovered one new guidelines issue: