SI-7690 ghost error message fails compile

I won't even try to explain the error reporting code, because
it would have no basis in reality. However this change appears
to fix the symptom reported.

1 files changed, 17 insertions, 0 deletions

diff --git a/test/files/pos/t7690.scala b/test/files/pos/t7690.scala
new file mode 100644
index 0000000000..e8911a93e8
--- /dev/null
+++ b/test/files/pos/t7690.scala
@@ -0,0 +1,17 @@
+object A
+trait B[T]
+
+object C {
+  implicit def notUsed[L[x]](in: L[Int]): B[L[Int]] = ???
+
+  class E(val ls: Int) {
+    def x(f: Int => Boolean): Boolean = f(ls)
+  }
+  implicit def isUsed(ls: Int): E = new E(ls)
+
+  def amethod(in: Int): Boolean =
+    in.x { i =>
+      import A._
+      "asdf" == i.toString
+    }
+}
\ No newline at end of file