2 files changed, 23 insertions, 0 deletions
diff --git a/test/files/neg/t5845.check b/test/files/neg/t5845.check
new file mode 100644
index 0000000000..8c6100d6de
--- /dev/null
+++ b/test/files/neg/t5845.check
@@ -0,0 +1,7 @@
+t5845.scala:9: error: value +++ is not a member of Int
+  println(5 +++ 5)
+            ^
+t5845.scala:15: error: value +++ is not a member of Int
+  println(5 +++ 5)
+            ^
+two errors found
diff --git a/test/files/neg/t5845.scala b/test/files/neg/t5845.scala
new file mode 100644
index 0000000000..823c722c14
--- /dev/null
+++ b/test/files/neg/t5845.scala
@@ -0,0 +1,16 @@
+class Num[T] {
+  def mkOps = new Ops
+  class Ops { def +++(rhs: T) = () }
+}
+
+class A {
+  implicit def infixOps[T, CC[X] <: Num[X]](lhs: T)(implicit num: CC[T]) = num.mkOps
+  implicit val n1 = new Num[Int] { }
+  println(5 +++ 5)
+}
+
+class B {
+  implicit def infixOps[T, CC[X] <: Num[X]](lhs: T)(implicit num: CC[T]) : CC[T]#Ops = num.mkOps
+  implicit val n1 = new Num[Int] {}
+  println(5 +++ 5)
+}