From fb59174be6193d7cb05bea6d375e34ec1cd52f46 Mon Sep 17 00:00:00 2001
From: Martin Odersky <odersky@gmail.com>
Date: Thu, 10 Nov 2016 16:35:39 +0100
Subject: Don't allow redefinition of core classes

Fixes #1688.
---
 tests/neg/i1688.scala | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 tests/neg/i1688.scala

(limited to 'tests/neg/i1688.scala')

diff --git a/tests/neg/i1688.scala b/tests/neg/i1688.scala
new file mode 100644
index 000000000..19b1b56af
--- /dev/null
+++ b/tests/neg/i1688.scala
@@ -0,0 +1,6 @@
+package scala
+sealed trait Null  // error
+
+object Null  // error
+
+class AnyVal // error
-- 
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