Rollup merge of #73075 - jyn514:comment-module, r=Dylan-DPC
Rollup merge of #73075 - jyn514:comment-module, r=Dylan-DPC

Add comments to `Resolve::get_module`

r? @Manishearth

graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust