Closed
Description
Based on Open CB failure in disneystreaming/smithy-translate
- builds logs
Compiler version
3.5.0-RC1-nightly
Last good release: 3.4.2-RC1-bin-20240324-a6c40b1-NIGHTLY
First bad release: 3.5.0-RC1-bin-20240326-43ed9fd-NIGHTLY
Bisect points to 0f30c98
Minimized code
@main def Test =
val builder: AbstractShapeBuilder[? <: AbstractShapeBuilder[?, ?], ? <: Shape] = ???
List.empty[Trait].foreach(builder.addTrait(_))
public abstract class AbstractShapeBuilder<B extends AbstractShapeBuilder<B, S>, S extends Shape> {
abstract public B addTrait(Trait trait);
}
public interface Shape {}
public interface Trait {}
Output
-- [E057] Type Mismatch Error: /Users/wmazur/projects/scala3/bisect/main.scala:3:35
3 | List.empty[Trait].foreach(builder.addTrait(_))
| ^
|Type argument ?1.CAP does not conform to upper bound AbstractShapeBuilder[?1.CAP, ?2.CAP] in inferred type AbstractShapeBuilder[?1.CAP, ?2.CAP]
|
|where: ?1 is an unknown value of type scala.runtime.TypeBox[Nothing,
| AbstractShapeBuilder[AbstractShapeBuilder[?, ?], ? <: Shape]]
| ?2 is an unknown value of type scala.runtime.TypeBox[Nothing, Shape]
|
| longer explanation available when compiling with `-explain`
Expectation
Should compile