rustc-ap-rustc_errors 647.0.0

Automatically published version of the package `rustc_errors` in the rust-lang/rust repository from commit 3dbade652ed8ebac70f903e01f51cd92c4e4302c 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.