Bugfix: add Neg to high form check (#384)

1 files changed, 1 insertions, 1 deletions

diff --git a/src/main/scala/firrtl/passes/Checks.scala b/src/main/scala/firrtl/passes/Checks.scala
index 769f68a9..1fe6f8ad 100644
--- a/src/main/scala/firrtl/passes/Checks.scala
+++ b/src/main/scala/firrtl/passes/Checks.scala
@@ -79,7 +79,7 @@ object CheckHighForm extends Pass {
           correctNum(Option(1), 1)
         case Bits =>
           correctNum(Option(1), 2)
-        case Andr | Orr | Xorr =>
+        case Andr | Orr | Xorr | Neg =>
           correctNum(None,0)
       }
     }