Enable 440 run tests that pass.

Note that some of them may pass due to several bugs that interfere.

1 files changed, 30 insertions, 0 deletions

diff --git a/tests/run/run-bug4840.scala b/tests/run/run-bug4840.scala
new file mode 100644
index 000000000..dda280fd1
--- /dev/null
+++ b/tests/run/run-bug4840.scala
@@ -0,0 +1,30 @@
+object Test {
+  def g(x: Boolean): Option[String] = if (x) Some("booya") else None
+
+  def f1() = {
+    for (x <- g(true)) yield {
+      g(false) match {
+        case Some(_) => sys.error("")
+        case None    => 5
+      }
+    }
+  }
+
+  def f2() = {
+    for (x <- g(true) ; y <- g(true) ; z <- g(true)) yield {
+      for (x <- g(true) ; y <- g(true) ; z <- g(true)) yield {
+        g(true) map { _ =>
+          (null: Any) match {
+            case Some(x: Int) => x
+            case _            => 5
+          }
+        }
+      }
+    }
+  }
+
+  def main(args: Array[String]): Unit = {
+    println(f1())
+    println(f2())
+  }
+}