From 1a72febc97de3d0ade8813951797dfda1984650f Mon Sep 17 00:00:00 2001
From: Leonid Mesnik <lmesnik@openjdk.org>
Date: Wed, 23 Apr 2025 16:04:40 +0000
Subject: [PATCH] 8355228: Improve
 runtime/CompressedOops/CompressedClassPointersEncodingScheme.java to support
 JDK build with -XX:+UseCompactObjectHeaders

Reviewed-by: syan, stuefe, coleenp
---
 .../CompressedOops/CompressedClassPointersEncodingScheme.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/test/hotspot/jtreg/runtime/CompressedOops/CompressedClassPointersEncodingScheme.java b/test/hotspot/jtreg/runtime/CompressedOops/CompressedClassPointersEncodingScheme.java
index 6a7ab088fac..0e72341e565 100644
--- a/test/hotspot/jtreg/runtime/CompressedOops/CompressedClassPointersEncodingScheme.java
+++ b/test/hotspot/jtreg/runtime/CompressedOops/CompressedClassPointersEncodingScheme.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -74,7 +74,9 @@ public class CompressedClassPointersEncodingScheme {
     private static void testFailure(String forceAddressString) throws IOException {
         ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
                 "-Xshare:off", // to make CompressedClassSpaceBaseAddress work
+                "-XX:+UnlockExperimentalVMOptions",
                 "-XX:+UnlockDiagnosticVMOptions",
+                "-XX:-UseCompactObjectHeaders",
                 "-XX:CompressedClassSpaceBaseAddress=" + forceAddressString,
                 "-Xmx128m",
                 "-Xlog:metaspace*",