mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-04 03:07:25 +00:00

Remove `-Zshow-span`. It's very old (added in #12087). It's strange, and it's not clear what its use cases are. It only works with the crate root file because it runs before expansion. I suspect it won't be missed. r? `@estebank`