check_consts: fix duplicate errors, make importance consistent This is stuff I noticed while working on https://github.com/rust-lang/rust/pull/120932, but it's orthogonal to that PR. r? ``@oli-obk``
check_consts: fix duplicate errors, make importance consistent This is stuff I noticed while working on https://github.com/rust-lang/rust/pull/120932, but it's orthogonal to that PR. r? ``@oli-obk``