Commits on Jan 28, 2022

1. rustdoc: load the set of in-scope traits for modules with no docstring …

   Fixes rust-lang#93428
   
   This fix is a response to a couple of special cases related to the
   `module_id`, which is eventually used for trait candidates:
   
     * The module id is always set to the current crate, when checking `crate::`.
   
       Normally, the set of in-scope traits would be set in `load_links_in_attrs`,
       but if there are no doc comments, then that loop will never run.
   
     * the module id is set to the parent module, when resolving a module
       that is spelled like this:
   
           // Notice how we use an outlined doc comment here!
           // [`Test::my_fn`]
           mod something {
           }
   
       As with the above problem with `crate::`, we need to make sure the
       module gets its traits in scope resolved, even if it has no doc comments
       of its own.

   

   notriddle committed Jan 28, 2022
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