Another test case

Prompted by a discussion on the Scala reddit, this one
verified that dotty does not have the problem exhibited
in SI-10170. I piggyback on this PR because this does
not warrant a separate PR>

Author: odersky

tests/run/t10170.scala

@@ -0,0 +1,7 @@
+object Test {
+  def main(args: Array[String]) = println(f)
+
+  def f = {
+    val a = 100; ({ val a = 0; (c: Int) => c })(a)
+  }
+}