Commits on Apr 11, 2024

1. Fix unreachable code warning for functions that return ! …

   The generated code for function bodies produces an `unreachable_code`
   warning if the function has a `!` return type.
   
   The offending bit is:
   ```rust
   if let Some(__ret) == None::<!> {
     // unreachable
   }
   ```
   
   This PR fixes the warning by simply adding `#[allow(unreachable_code)]`
   to the return statement. It also adds a test for it.
   
   This problem can only be triggered on nightly with the `never_type`
   feature enabled, but it is easy to fix here.

   

   de-vri-es committed Apr 11, 2024
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