rustc-ap-rustc_errors 531.0.0

Automatically published version of the package `rustc_errors` in the rust-lang/rust repository from commit efb74579150a6ea0ad99a8568aa02a1aa23f6dd5 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish

Diagnostics creation and emission for rustc.

This module contains the code for creating and emitting diagnostics.