rustc-ap-rustc_macros 620.0.0

Automatically published version of the package `rustc_macros` in the rust-lang/rust repository from commit 50ffa79589600f515ff2710830c23cd2dce7cb76 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish
rustc-ap-rustc_macros-620.0.0 doesn't have any documentation.