Also improve an error message in `IrType.erasedUpperBound`, which seems like a frequent first place where the JVM IR backend crashes in case an error type has made it past psi2ir. This will help in diagnosing problems such as KT-45016.
Also improve an error message in `IrType.erasedUpperBound`, which seems like a frequent first place where the JVM IR backend crashes in case an error type has made it past psi2ir. This will help in diagnosing problems such as KT-45016.