Fix #10082: add test

Author: liufengyun

tests/run/i10082.scala

@@ -0,0 +1,12 @@
+object Kotlin:
+  class Ctx[T](val x: T) extends AnyVal
+
+  def fun[T, U](fn: Ctx[T] ?=> U): T => U = (x: T) => fn(using Ctx(x))
+  def it[T](using ctx: Ctx[T]) = ctx.x
+
+
+import Kotlin._
+
+@main def Test =
+  val res = List(1).map(fun(it + 1))
+  assert(res == List(2))