From ba12915e9b93685107c503b3f91b96d491c48459 Mon Sep 17 00:00:00 2001
From: alonamid
Date: Wed, 26 Sep 2018 13:34:33 -0700
Subject: Another TopWiring Bug Fix (Multi-Level Annotations) (#889)

When different levels of the circuit were annotated, the TopWiring signals of the lower levels would "run-over" the TopWiring signals of the higher levels---
 src/main/scala/firrtl/transforms/TopWiring.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/main/scala')

diff --git a/src/main/scala/firrtl/transforms/TopWiring.scala b/src/main/scala/firrtl/transforms/TopWiring.scala
index 9f78848b..80572b30 100644
--- a/src/main/scala/firrtl/transforms/TopWiring.scala
+++ b/src/main/scala/firrtl/transforms/TopWiring.scala
@@ -150,7 +150,7 @@ class TopWiringTransform extends Transform {
           sourcemods.get(module).map( _.map { case (a,b,c,path,p) => (a,b,c, inst +: path, p)})
       }.flatten
       if (seqChildren.nonEmpty) {
-        sourcemods(mod.name) = seqChildren
+        sourcemods(mod.name) = sourcemods.getOrElse(mod.name, Seq()) ++ seqChildren
       }
     }
 
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