fixed bug 979

3 files changed, 24 insertions, 2 deletions

diff --git a/src/library/scala/collection/immutable/HashSet.scala b/src/library/scala/collection/immutable/HashSet.scala
index 5bc8054a0d..05f5fd11d1 100644
--- a/src/library/scala/collection/immutable/HashSet.scala
+++ b/src/library/scala/collection/immutable/HashSet.scala
@@ -98,8 +98,8 @@ class HashSet[A] extends Set[A] with mutable.FlatHashTable[A] {
     def undo(m: HashSet[A]) {
       if (m ne last) {
         undo(m.later)
-        if (m.deleted) addEntry(changedElem)
-        else removeEntry(changedElem)
+        if (m.deleted) addEntry(m.changedElem)
+        else removeEntry(m.changedElem)
       }
     }
     table = new Array[AnyRef](last.table.length)
diff --git a/test/files/pos/bug946.scala b/test/files/pos/bug946.scala
new file mode 100755
index 0000000000..c4bd6e9ba4
--- /dev/null
+++ b/test/files/pos/bug946.scala
@@ -0,0 +1,8 @@
+object pmbugbounds {
+  trait Bar
+  class Foo[t <: Bar] {}
+
+  (new Foo[Bar]) match {
+    case _ : Foo[x] => null
+  }
+}
diff --git a/test/files/run/bug949.scala b/test/files/run/bug949.scala
new file mode 100755
index 0000000000..9cce7bc6e6
--- /dev/null
+++ b/test/files/run/bug949.scala
@@ -0,0 +1,14 @@
+object Test extends Application {
+
+    def f = new T { val state = State.A }
+
+    private object State extends Enumeration {
+        val A, B = Value
+    }
+
+    f
+}
+
+trait T {
+}
+