Merge pull request scala#4108 from retronym/ticket/7750

lrytz · lrytz · commit fa060913caca · 2014-11-10T13:16:23.000+01:00
SI-7750 Test case for fixed spurious existential feature warning
diff --git a/test/files/pos/t7750.flags b/test/files/pos/t7750.flags
@@ -0,0 +1 @@
+-Xfatal-warnings -feature
diff --git a/test/files/pos/t7750.scala b/test/files/pos/t7750.scala
@@ -0,0 +1,8 @@
+trait LazyCombiner[Elem, +To, Buff <: Growable[Elem] with Sizing]
+trait Growable[T]
+trait Sizing
+
+
+object Test {
+  null.isInstanceOf[LazyCombiner[_, _, _]] // issued an existential feature warning
+}
