From e769e5a26f6bd3f87962ad084776c01316ad6fbf Mon Sep 17 00:00:00 2001
From: Andrew Waterman
Date: Fri, 24 Mar 2017 15:09:07 -0700
Subject: Fix getWidth on empty Vecs; add test

Use fold(0) instead of reduce to handle the corner case.
---
 chiselFrontend/src/main/scala/chisel3/core/Aggregate.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'chiselFrontend')

diff --git a/chiselFrontend/src/main/scala/chisel3/core/Aggregate.scala b/chiselFrontend/src/main/scala/chisel3/core/Aggregate.scala
index 2bba14ed..d2953aa3 100644
--- a/chiselFrontend/src/main/scala/chisel3/core/Aggregate.scala
+++ b/chiselFrontend/src/main/scala/chisel3/core/Aggregate.scala
@@ -19,7 +19,7 @@ sealed abstract class Aggregate extends Data {
     */
   def getElements: Seq[Data]
 
-  private[core] def width: Width = getElements.map(_.width).reduce(_ + _)
+  private[core] def width: Width = getElements.map(_.width).foldLeft(0.W)(_ + _)
   private[core] def legacyConnect(that: Data)(implicit sourceInfo: SourceInfo): Unit =
     pushCommand(BulkConnect(sourceInfo, this.lref, that.lref))
 
-- 
cgit v1.2.3