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Avoid crash when superType does not exist after erasure #20188

Merged
merged 3 commits into from
Apr 15, 2024
Merged

Avoid crash when superType does not exist after erasure #20188

merged 3 commits into from
Apr 15, 2024

Commits on Apr 15, 2024

  1. Avoid crash when superType does not exist after erasure 

    Fixes scala#19929

Two main changes:

 - In TypeErasure, throw a TypeError instead of a FatalError if a supertype of an applied
   type does not exist. That way, we get a proper error with a position.
 - Move some catch-and-rethrow logic from ReTyper to TreeChecker. ReTyper alreayd had special
   exceptions that disabled the logic for all uses of ReTyper except TreeChecker. Unfortunately
   the ReTyper override also disabled the special TypeError handling in Typer.
    @odersky
    odersky committed Apr 15, 2024
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  2. Reclassify test

    @odersky
    odersky committed Apr 15, 2024
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  3. Amend reclassify test

    @EugeneFlesselle
    EugeneFlesselle committed Apr 15, 2024
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