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/*
* The block under qual$1 must be owned by it.
* In the sample bug, the first default arg generates x$4,
* the second default arg generates qual$1, hence the maximal
* minimization.
*
<method> <triedcooking> def model: C.this.M = {
val qual$1: C.this.M = scala.Option.apply[C.this.M]({
val x$1: lang.this.String("foo") = "foo";
val x$2: String = C.this.M.apply$default$2("foo");
C.this.M.apply("foo")(x$2)
}).getOrElse[C.this.M]({
val x$3: lang.this.String("bar") = "bar";
val x$4: String = C.this.M.apply$default$2("bar");
C.this.M.apply("bar")(x$4)
});
val x$5: lang.this.String("baz") = "baz";
val x$6: String = qual$1.copy$default$2("baz");
qual$1.copy("baz")(x$6)
}
*/
class C {
case class M(currentUser: String = "anon")(val message: String = "empty")
val m = M("foo")()
// reported
//def model = Option(M("foo")()).getOrElse(M("bar")()).copy(currentUser = "")()
// the bug
def model = Option(m).getOrElse(M("bar")()).copy("baz")("empty")
// style points for this version
def modish = ((null: Option[M]) getOrElse new M()()).copy()("empty")
// various simplifications are too simple
case class N(currentUser: String = "anon")
val n = N("fun")
def nudel = Option(n).getOrElse(N()).copy()
}
object Test {
def main(args: Array[String]): Unit = {
val c = new C
println(c.model.currentUser)
println(c.model.message)
}
}
/*
symbol value x$4$1 does not exist in badcopy.C.model
at scala.reflect.internal.SymbolTable.abort(SymbolTable.scala:45)
at scala.tools.nsc.Global.abort(Global.scala:202)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.liftedTree2$1(GenICode.scala:998)
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.scala:992)
*/
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