1 files changed, 8 insertions, 0 deletions
diff --git a/src/test/scala/chiselTests/InvalidateAPISpec.scala b/src/test/scala/chiselTests/InvalidateAPISpec.scala
index 2c51e5d2..dbd353a0 100644
--- a/src/test/scala/chiselTests/InvalidateAPISpec.scala
+++ b/src/test/scala/chiselTests/InvalidateAPISpec.scala
@@ -228,4 +228,12 @@ class InvalidateAPISpec extends ChiselPropSpec with Matchers with BackendCompila
     val firrtlOutput = myGenerateFirrtl(new ModuleWithoutDontCare)
     firrtlOutput should include("is invalid")
   }
+
+  property("a clock should be able to be connected to a DontCare") {
+    class ClockConnectedToDontCare extends Module {
+      val foo = IO(Output(Clock()))
+      foo := DontCare
+    }
+    myGenerateFirrtl(new ClockConnectedToDontCare) should include("foo is invalid")
+  }
 }