From f3318e52e4338dc558de8a900f93bc5757223642 Mon Sep 17 00:00:00 2001
From: Jiuyang Liu
Date: Sun, 23 May 2021 13:35:54 +0000
Subject: fix for 2.13

---
 src/main/scala/chisel3/util/experimental/decode/TruthTable.scala | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/main/scala/chisel3/util/experimental/decode/TruthTable.scala b/src/main/scala/chisel3/util/experimental/decode/TruthTable.scala
index 37bfec77..cde9cf14 100644
--- a/src/main/scala/chisel3/util/experimental/decode/TruthTable.scala
+++ b/src/main/scala/chisel3/util/experimental/decode/TruthTable.scala
@@ -46,9 +46,9 @@ object TruthTable {
     require(table.map(_._1.getWidth).toSet.size == 1, "input width not equal.")
     require(table.map(_._2.getWidth).toSet.size == 1, "output width not equal.")
     val outputWidth = table.map(_._2.getWidth).head
-    new TruthTable(table.toSeq.groupBy(_._1).map { case (key, values) =>
+    new TruthTable(table.toSeq.groupBy(_._1.toString).map { case (key, values) =>
       // merge same input inputs.
-      key -> BitPat(s"b${
+      values.head._1 -> BitPat(s"b${
         Seq.tabulate(outputWidth) { i =>
           val outputSet = values.map(_._2)
             .map(bpStr)
-- 
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