Large String Interpolation Problem fixed in https://github.com/scala/scala/pull/8315/files

console.txt

$ sbt run
...
[info] Running LargeStringInterpolation 
[error] (run-main-0) java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String
[error] java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String
[error] 	at LargeStringInterpolation$.delayedEndpoint$LargeStringInterpolation$1(LargeStringInterpolation.scala:4)
[error] 	at LargeStringInterpolation$delayedInit$body.apply(LargeStringInterpolation.scala:1)
[error] 	at scala.Function0.apply$mcV$sp(Function0.scala:39)
[error] 	at scala.Function0.apply$mcV$sp$(Function0.scala:39)
[error] 	at scala.runtime.AbstractFunction0.apply$mcV$sp(AbstractFunction0.scala:17)
[error] 	at scala.App.$anonfun$main$1$adapted(App.scala:80)
[error] 	at scala.collection.immutable.List.foreach(List.scala:392)
[error] 	at scala.App.main(App.scala:80)
[error] 	at scala.App.main$(App.scala:78)
[error] 	at LargeStringInterpolation$.main(LargeStringInterpolation.scala:1)
[error] 	at LargeStringInterpolation.main(LargeStringInterpolation.scala)
[error] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[error] 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[error] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[error] 	at java.lang.reflect.Method.invoke(Method.java:498)

LargeStringInterpolation.scala

object LargeStringInterpolation extends App {
  val a = 1
  val s32 = s"$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a"
  val s33 = s"$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a"
  val s34 = s"$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a"
  val s35 = s"$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a"
  println("Hello")
}