fixed tickets 152, 123.

spreadsheet demo crash. Made Lists more tail recursive. toString in
Sets and Maps now says just Set(...) or Map(...) without revealing the
implementation.

1 files changed, 13 insertions, 0 deletions

diff --git a/test/files/neg/t0152.scala b/test/files/neg/t0152.scala
new file mode 100755
index 0000000000..eef69bf767
--- /dev/null
+++ b/test/files/neg/t0152.scala
@@ -0,0 +1,13 @@
+class Value[+T](x: T) {
+    def value = x
+}
+
+trait PlusOne extends Value[Int] {
+    override def value = super.value + 1
+}
+
+object Test extends Application {
+ object boom extends Value[java.lang.String]("foo") with PlusOne
+
+ println(boom.value) // class cast exception!
+}