Commits on Aug 14, 2024

1. fix regression with imported distinct types …

   Summary
   =======
   
   Marking a `distinct T` type as imported resulted in multiple C
   definitions for `T`, if `T` is a non-numeric, non-pointer type. This is
   now fixed.
   
   Details
   =======
   
   When translating imported types, `mirtypes` always created a new type
   symbol for the imported type's underlying type. For `tyAlias` and
   `tyDistinct` types (or any other type kind in the `Skip` set), this
   resulted in a duplicate of the underlying type symbol being created.
   Since MIR types are identified by ID, both look separate to `cgen`, and
   thus a C definition is emitted for each.
   
   `handleImportedTypes` now goes through the caching mechanism for the
   underlying type if its not the type marked with `.importc`, fixing the
   issue.

   

   zerbina committed Aug 14, 2024
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