From cf0d971beda33a1802c384bd8d5eebb150d9d578 Mon Sep 17 00:00:00 2001
From: Jack Koenig
Date: Tue, 27 Mar 2018 21:54:30 -0700
Subject: Change throwInternalError to use a String instead of Option[String]
 (#777)

---
 src/main/scala/firrtl/analyses/InstanceGraph.scala | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/main/scala/firrtl/analyses')

diff --git a/src/main/scala/firrtl/analyses/InstanceGraph.scala b/src/main/scala/firrtl/analyses/InstanceGraph.scala
index 29942cd5..c6e590af 100644
--- a/src/main/scala/firrtl/analyses/InstanceGraph.scala
+++ b/src/main/scala/firrtl/analyses/InstanceGraph.scala
@@ -108,8 +108,8 @@ object InstanceGraph {
     case i: WDefInstance =>
       insts += i
       i
-    case i: DefInstance => throwInternalError(Some("Expecting WDefInstance, found a DefInstance!"))
-    case i: WDefInstanceConnector => throwInternalError(Some("Expecting WDefInstance, found a WDefInstanceConnector!"))
+    case i: DefInstance => throwInternalError("Expecting WDefInstance, found a DefInstance!")
+    case i: WDefInstanceConnector => throwInternalError("Expecting WDefInstance, found a WDefInstanceConnector!")
     case _ => s map collectInstances(insts)
   }
 }
-- 
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