Don't evaluate isInstanceOf for value classes, disable bugged tests

The tests `i1059.scala` and `t3480.scala` are failing due to a bug
in pattern matcher that evaluates the `x` in `List(x: _*)` incorrectly.

Concerned issue: #1276

1 files changed, 6 insertions, 0 deletions

diff --git a/tests/neg/i1255.scala b/tests/neg/i1255.scala
new file mode 100644
index 000000000..3bb7e8f25
--- /dev/null
+++ b/tests/neg/i1255.scala
@@ -0,0 +1,6 @@
+object Test {
+  def foo(x: Option[Int]) = x match {
+    case Some(_: Double) => true // error
+    case None => true
+  }
+}