Merge pull request #1471 from retronym/ticket/6483

SI-6483 Prohibit super[T] references in value classes.

2 files changed, 33 insertions, 0 deletions

diff --git a/test/files/neg/t6483.check b/test/files/neg/t6483.check
new file mode 100644
index 0000000000..66e3507107
--- /dev/null
+++ b/test/files/neg/t6483.check
@@ -0,0 +1,9 @@
+t6483.scala:7: error: implementation restriction: qualified super reference is not allowed in value class
+This restriction is planned to be removed in subsequent releases.
+  override def foo = super[T].foo // error
+                     ^
+t6483.scala:20: error: implementation restriction: nested class is not allowed in value class
+This restriction is planned to be removed in subsequent releases.
+    class Inner extends T {
+          ^
+two errors found
diff --git a/test/files/neg/t6483.scala b/test/files/neg/t6483.scala
new file mode 100644
index 0000000000..bd99f68fa4
--- /dev/null
+++ b/test/files/neg/t6483.scala
@@ -0,0 +1,24 @@
+trait T extends Any {
+  def foo = 1
+  type X
+}
+
+class C1(val a: Any) extends AnyVal with T {
+  override def foo = super[T].foo // error
+}
+
+class C2(val a: Int) extends AnyVal with T {
+  override def foo = super.foo + a // okay
+}
+
+class C3(val a: Int) extends AnyVal with T {
+  override def foo = C3.super.foo + a // okay
+}
+
+class C4(val a: Int) extends AnyVal with T {
+  def foo {
+    class Inner extends T {
+      override def foo = super[T].foo + a // no (direct) error, other than that a nested class is currently illegal.
+    }
+  }
+}