Merge pull request #1164 from gkossakowski/topic/opt

Compiler optimizations (take 3, hopefully final)

1 files changed, 26 insertions, 0 deletions

diff --git a/test/files/pos/specializes-sym-crash.scala b/test/files/pos/specializes-sym-crash.scala
new file mode 100644
index 0000000000..c46f435ac4
--- /dev/null
+++ b/test/files/pos/specializes-sym-crash.scala
@@ -0,0 +1,26 @@
+import scala.collection._
+
+trait Foo[+A,
+                     +Coll,
+                     +This <: GenSeqView[A, Coll] with GenSeqViewLike[A, Coll, This]]
+extends GenSeq[A] with GenSeqLike[A, This] with GenIterableView[A, Coll] with GenIterableViewLike[A, Coll, This] {
+self =>
+
+  trait Transformed[+B] extends GenSeqView[B, Coll] with super.Transformed[B] {
+    def length: Int
+    def apply(idx: Int): B
+    override def toString = viewToString
+  }
+  trait Reversed extends Transformed[A] {
+    override def iterator: Iterator[A] = createReversedIterator
+    def length: Int = self.length
+    def apply(idx: Int): A = self.apply(length - 1 - idx)
+    final override protected[this] def viewIdentifier = "R"
+
+    private def createReversedIterator = {
+      var lst = List[A]()
+      for (elem <- self) lst ::= elem
+      lst.iterator
+    }
+  }
+}