From 531dd6cb7a91b9bb642368d792e9c5e0c1c72089 Mon Sep 17 00:00:00 2001
From: Richard Lin
Date: Fri, 2 Mar 2018 16:40:28 -0800
Subject: Fix for 792 (#793)

Makes Builder.updateBundleStack a bit stricter in deciding how many stack frames to discard by additionally matching against method names and deleting stack frames at or above the frame currently being inserted.---
 src/test/scala/chiselTests/AutoClonetypeSpec.scala | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src')

diff --git a/src/test/scala/chiselTests/AutoClonetypeSpec.scala b/src/test/scala/chiselTests/AutoClonetypeSpec.scala
index 59ce98b7..6924f8b8 100644
--- a/src/test/scala/chiselTests/AutoClonetypeSpec.scala
+++ b/src/test/scala/chiselTests/AutoClonetypeSpec.scala
@@ -56,6 +56,12 @@ object CompanionObjectWithBundle {
   }
 }
 
+class NestedAnonymousBundle extends Bundle {
+  val a = Output(new Bundle {
+    val a = UInt(8.W)
+  })
+}
+
 // A Bundle with an argument that is also a field.
 // Not necessarily good style (and not necessarily recommended), but allowed to preserve compatibility.
 class BundleWithArgumentField(val x: Data, val y: Data) extends Bundle
@@ -146,4 +152,13 @@ class AutoClonetypeSpec extends ChiselFlatSpec {
       io.data := 1.U
     } }
   }
+
+  "Nested directioned anonymous Bundles" should "not need clonetype" in {
+    elaborate { new Module {
+      val io = IO(new NestedAnonymousBundle)
+      val a = WireInit(io)
+      io.a.a := 1.U
+    } }
+  }
+
 }
-- 
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