From 853a88bc6ffeb37ac26de6c893cf6509bb1c7ca1 Mon Sep 17 00:00:00 2001
From: Jack Koenig
Date: Tue, 20 Feb 2018 11:21:59 -0800
Subject: Make Bundle abstract (#774)

---
 chiselFrontend/src/main/scala/chisel3/core/Aggregate.scala | 2 +-
 src/test/scala/chiselTests/CompatibilitySpec.scala         | 2 +-
 src/test/scala/chiselTests/UIntOps.scala                   | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/chiselFrontend/src/main/scala/chisel3/core/Aggregate.scala b/chiselFrontend/src/main/scala/chisel3/core/Aggregate.scala
index 4b35c163..1f592f38 100644
--- a/chiselFrontend/src/main/scala/chisel3/core/Aggregate.scala
+++ b/chiselFrontend/src/main/scala/chisel3/core/Aggregate.scala
@@ -508,7 +508,7 @@ class AutoClonetypeException(message: String) extends ChiselException(message, n
   *   }
   * }}}
   */
-class Bundle(implicit compileOptions: CompileOptions) extends Record {
+abstract class Bundle(implicit compileOptions: CompileOptions) extends Record {
   override def className = "Bundle"
 
   /** The collection of [[Data]]
diff --git a/src/test/scala/chiselTests/CompatibilitySpec.scala b/src/test/scala/chiselTests/CompatibilitySpec.scala
index 7feee96f..d24c3b4d 100644
--- a/src/test/scala/chiselTests/CompatibilitySpec.scala
+++ b/src/test/scala/chiselTests/CompatibilitySpec.scala
@@ -69,7 +69,7 @@ class CompatibiltySpec extends ChiselFlatSpec with GeneratorDrivenPropertyChecks
   it should "successfully compile a complete module" in {
     class Dummy extends Module {
       // The following just checks that we can create objects with nothing more than the Chisel compatibility package.
-      val io = new Bundle
+      val io = new Bundle {}
       val data = UInt(width = 3)
       new ArbiterIO(data, 2) shouldBe a [ArbiterIO[_]]
       new LockingRRArbiter(data, 2, 2, None) shouldBe a [LockingRRArbiter[_]]
diff --git a/src/test/scala/chiselTests/UIntOps.scala b/src/test/scala/chiselTests/UIntOps.scala
index 490af22b..149ec3c4 100644
--- a/src/test/scala/chiselTests/UIntOps.scala
+++ b/src/test/scala/chiselTests/UIntOps.scala
@@ -92,7 +92,7 @@ class BadBoolConversion extends Module {
 }
 
 class NegativeShift(t: => Bits) extends Module {
-  val io = IO(new Bundle)
+  val io = IO(new Bundle {})
   Reg(t) >> -1
 }
 
-- 
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