Merge pull request scala#4120 from retronym/ticket/5665

SI-5665 Test case for fixed private[this], trait crasher

Author: lrytz

test/files/run/t5665.scala

@@ -0,0 +1,13 @@
+object O {
+  trait T {
+    private[this] val c: Int = 42
+    def f =
+      { x: Int => c }
+  }
+}
+
+object Test {
+  def main(args: Array[String]): Unit = {
+    assert(new O.T{}.f(0) == 42)
+  }
+}