From 78a3191f2ab5fb1fd26962d0cbe3003b3f32947c Mon Sep 17 00:00:00 2001
From: Malte Stellmacher <malte.stellmacher@student.hpi.de>
Date: Mon, 5 Feb 2024 13:48:10 +0100
Subject: [PATCH] Check for identity instead of equality

should fix native builds
---
 .../nodes/plugins/ffi/InterpreterProxy.java              | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/ffi/InterpreterProxy.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/ffi/InterpreterProxy.java
index fda8e68ce..315bdce6d 100644
--- a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/ffi/InterpreterProxy.java
+++ b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/ffi/InterpreterProxy.java
@@ -172,11 +172,12 @@ private int addObjectToRegistry(final Object object) {
     }
 
     private int oopFor(final Object object) {
-        int oop = objectRegistry.indexOf(object);
-        if (oop < 0) {
-            oop = addObjectToRegistry(object);
+        for (int oop = 0; oop < objectRegistry.size(); oop++) {
+            if (objectRegistry.get(oop) == object) {
+                return oop;
+            }
         }
-        return oop;
+        return addObjectToRegistry(object);
     }
 
     ///////////////////