From 502e7e752f3efdb069a36b23ab51ac22f9d74e9e Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Tue, 29 Sep 2026 12:34:58 -0700
Subject: Chapter 10a: Structs and Memory

---
 src/main/java/com/seaofnodes/simple/IterPeeps.java | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/main/java/com/seaofnodes/simple/IterPeeps.java')

diff --git a/src/main/java/com/seaofnodes/simple/IterPeeps.java b/src/main/java/com/seaofnodes/simple/IterPeeps.java
index 41fc6916..7075d526 100644
--- a/src/main/java/com/seaofnodes/simple/IterPeeps.java
+++ b/src/main/java/com/seaofnodes/simple/IterPeeps.java
@@ -1,8 +1,6 @@
 package com.seaofnodes.simple;
 
-import com.seaofnodes.simple.node.ConstantNode;
-import com.seaofnodes.simple.node.Node;
-import com.seaofnodes.simple.node.StopNode;
+import com.seaofnodes.simple.node.*;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -95,6 +93,8 @@ public abstract class IterPeeps {
                 n.moveDepsToWorklist();
                 assert progressOnList(stop); // Very expensive assert
             }
+            if( n.isUnused() && !(n instanceof StopNode) )
+                n.kill();       // Just plain dead
             if( obs != null ) obs.after(n, x, true);
         }
 
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