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package trials
object crashing {
trait C {
abstract class T[A] {
def f[Z] (a:T[Z]) : T[A]
}
}
abstract class Thing {
val c = new C{
class T[A](a:A) {
def f[Z](t:T[Z]) = new T(a)
}
}
val x1 = {
class C[T] { val x: T }
new C[String]
}
}
}
/*
Infinite loop in Typer.addLocals. Printing all calls to it:
addLocals: Unit
addLocals: this.T[A]
addLocals: java.lang.Object with crashing.C{ ... }
addLocals: >: Nothing <: java.lang.Object with crashing.C{type T[A] <: java.lang.Object with ScalaObject{def f[Z](this.T[Z]): this.T[A]}}
addLocals: >: Nothing <: java.lang.Object with ScalaObject{def f[Z](this.T[Z]): this.T[Z]}
addLocals: >: Nothing <: java.lang.Object with ScalaObject{def f[Z](this.T[Z]): this.T[Z]}
addLocals: >: Nothing <: java.lang.Object with ScalaObject{def f[Z](this.T[Z]): this.T[Z]}
[...]
*
C { type T[A] <: { def f[Z]: T[Z] => T[A] } }
*/
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