add tests from scala/test/files/{pos,neg}

with explicit Unit return type

1 files changed, 10 insertions, 0 deletions

diff --git a/tests/untried/neg/unchecked-suppress.scala b/tests/untried/neg/unchecked-suppress.scala
new file mode 100644
index 000000000..7bd61a2a4
--- /dev/null
+++ b/tests/untried/neg/unchecked-suppress.scala
@@ -0,0 +1,10 @@
+class A {
+  def f(x: Any) = x match {
+    case xs: List[String @unchecked]               => xs.head   // okay
+    case xs: Set[Int]                              => xs.head   // unchecked
+    case xs: Map[String @unchecked, String]        => xs.head   // one unchecked, one okay
+    case f: ((Int @unchecked) => (Int @unchecked)) => f(5)      // okay
+    case f: ((Int, Int) => Int)                    =>           // unchecked
+    case _                                         => ""
+  }
+}