Commits on Jun 23, 2020

1. Rollback to recursively check dependency status …

   In https://github.com/servo/servo/pull/26395/files#diff-3fe97584f564214ec8e7ebbf91747e03L253-R318,
   we moved from `recursive checking` of dependency status to check only the
   _current module_'s dependency status and its descendant dependency status and
   also circular dependency status.
   
   However, it will cause an issue.
   
   For example, if the module dependency is like following
   
   ```
   a -> b -> c -> d -> e
   f -> g -> h -> c -> d -> e
   ```
   
   In this example, if the d module is still under fetching but g is trying
   to advance to finish. Then, it will cause a panic because module d is
   g's grand-grand-grand-descendant which means it's still under fetching
   and we can't instantiate module g.
   
   Ideally, we should get rid of the checking in #26903 so, before #26903
   fixed, we can just move back to the recursive checking way which will
   ensure all descendants are not fetching.

   

   CYBAI committed Jun 23, 2020
   a7221fd

2. Test imports under more than 3 levels in different modules

   

   CYBAI committed Jun 23, 2020

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