4f1e235744
Rollup of bare_trait_objects PRs All deny attributes were moved into bootstrap so they can be disabled with a line of config. Warnings for external tools are allowed and it's up to the tool's maintainer to keep it warnings free. r? @Mark-Simulacrum cc @ljedrz @kennytm
librustc_target contains some very low-level details that are
specific to different compilation targets and so forth.
For more information about how rustc works, see the rustc guide.