rustc-ap-rustc_errors 530.0.0

Automatically published version of the package `rustc_errors` in the rust-lang/rust repository from commit 38798c6d68394874686dfa3d03e56e12a3ff3d54 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.