[duangsuse@susepc tmp]$ kotlinc-js SOE.kt -output a.js
exception: java.lang.StackOverflowError
  at org.jetbrains.kotlin.js.translate.expression.ExpressionVisitor.getPrimitiveClass(ExpressionVisitor.java:303)

inline fun <reified T: Any> T.compareUsing(other: Any?, crossinline compare: T.(T) -> Boolean): Boolean {
  if (this === other) return true
  return other is T && compare(other)
}

interface Animal<FOOD> where FOOD: Comparable<FOOD> {
  val food: FOOD
}

abstract class BaseAnimal<FOOD>(override val food: FOOD): Animal<FOOD> where FOOD: Comparable<FOOD> {
  override fun equals(other: Any?) = compareUsing(other) { food == it.food }
}

inline fun <reified T> T.causeBug() {}

interface SomeToImplement<SOME_TVAR>

interface SomeInterface<T> where T: SomeToImplement<T> {
  val field: T
}

abstract class SomeChild<T>(override val field: T): SomeInterface<T> where T: SomeToImplement<T> {
  fun op() = causeBug()
}

inline fun <reified T> T.causeBug() {}

interface SomeToImplement<SELF_TVAR>

interface SomeInterface<T> where T: SomeToImplement<T>  

abstract class SomeChild<T>: SomeInterface<T> where T: SomeToImplement<T> {
  fun op() = causeBug()
}