1 files changed, 49 insertions, 0 deletions
diff --git a/test/x/cakes.scala b/test/x/cakes.scala
new file mode 100644
index 000000000..ff5e5d64f
--- /dev/null
+++ b/test/x/cakes.scala
@@ -0,0 +1,49 @@
+package test
+
+trait API {
+
+  type Name >: Null <: NameAPI
+  type Symbol >: Null <: SymbolAPI
+  type ScopeEntry >: Null <: ScopeEntryAPI
+
+  class NameAPI
+  class SymbolAPI
+  class ScopeEntryAPI
+
+}
+
+trait Names { self: SymTab =>
+
+  class Name extends NameAPI
+
+}
+
+trait Symbols { self: SymTab =>
+
+  class Symbol extends SymbolAPI
+
+}
+
+trait Scopes { self: SymTab =>
+
+  class ScopeEntry extends ScopeEntryAPI
+  class Scope {
+    def unlink(e: ScopeEntry): Unit = ???
+    def unlink(e: Symbol): Unit = ???
+  }
+
+}
+
+trait SymTab extends API with Names with Scopes {
+
+}
+
+
+trait SyncOps extends SymTab {
+
+  trait SyncScope extends Scope {
+    override def unlink(e: ScopeEntry): Unit = ???
+    override def unlink(e: Symbol): Unit = ???
+  }
+
+}