Fixed abstract overrides of specialized methods.

1 files changed, 29 insertions, 0 deletions

diff --git a/test/files/pos/spec-asseenfrom.scala b/test/files/pos/spec-asseenfrom.scala
new file mode 100644
index 0000000000..edd801071a
--- /dev/null
+++ b/test/files/pos/spec-asseenfrom.scala
@@ -0,0 +1,29 @@
+class Automaton[@specialized(Double) W,State] {
+
+  def finalWeight(s: State): W = error("todo");
+
+  def allStates: Set[State] = error("toodo");
+
+  /**
+   * Returns a map from states to its final weight. may expand all nodes.
+   */
+  def finalStateWeights = Map.empty ++ allStates.map { s => (s,finalWeight(s)) }
+
+  // This works fine:
+  /*
+  def finalStateWeights() = {
+    val it = allStates.iterator;
+    while(it.hasNext) {
+      finalWeight(it.next);
+    }
+  }
+  */
+
+}
+
+abstract class Automaton2[@specialized T1, T2] {
+  def finalWeight(s: T2): T1
+  def allStates: Set[T2]
+
+  def f = allStates map finalWeight
+}