rustc-ap-rustc_errors 660.0.0

Automatically published version of the package `rustc_errors` in the rust-lang/rust repository from commit 5943351d0eb878c1cb5af42b9e85e101d8c58ed7 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.