rustc-ap-rustc_error_codes 636.0.0

Automatically published version of the package `rustc_error_codes` in the rust-lang/rust repository from commit aa0769b92e60f5298f0b6326b8654c9b04351b98 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish

This library is used to gather all error codes into one place, the goal being to make their maintenance easier.