Bonus test case for SI-3999.

1 files changed, 20 insertions, 0 deletions

diff --git a/test/files/pos/t3999b.scala b/test/files/pos/t3999b.scala
new file mode 100644
index 0000000000..d3fe108479
--- /dev/null
+++ b/test/files/pos/t3999b.scala
@@ -0,0 +1,20 @@
+object `package` {
+  trait Score { def toString : String }
+  trait Test[+T <: Score] { def apply(s : String) : T }
+
+  case class FT(f : Float) extends Score
+  implicit object FT extends Test[FT] { def apply(s : String) : FT = new FT(s.toFloat) }
+
+  case class IT(i : Int) extends Score
+  implicit object IT extends Test[IT] { def apply(s : String) : IT = new IT(s.toInt) }
+}
+
+class TT[+T <: Score](implicit val tb : Test[T]) {
+  def read(s : String) : T = tb(s)
+}
+
+object Tester {
+  val tt = new TT[FT]
+  val r = tt.read("1.0")
+  r.toString
+}
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