From f405fcc931e88346f16bc42b4405dcc546ac263c Mon Sep 17 00:00:00 2001
From: Peter Hofer <peter.hofer@oracle.com>
Date: Wed, 15 May 2024 14:10:36 +0200
Subject: [PATCH] Default to -H:-CompactingOldGen.

---
 .../src/com/oracle/svm/core/genscavenge/SerialGCOptions.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/substratevm/src/com.oracle.svm.core.genscavenge/src/com/oracle/svm/core/genscavenge/SerialGCOptions.java b/substratevm/src/com.oracle.svm.core.genscavenge/src/com/oracle/svm/core/genscavenge/SerialGCOptions.java
index 8e839de19ffc1..c17cc97494fb4 100644
--- a/substratevm/src/com.oracle.svm.core.genscavenge/src/com/oracle/svm/core/genscavenge/SerialGCOptions.java
+++ b/substratevm/src/com.oracle.svm.core.genscavenge/src/com/oracle/svm/core/genscavenge/SerialGCOptions.java
@@ -112,7 +112,7 @@ public Integer getValue(OptionValues values) {
     /** Query these options only through an appropriate method. */
     public static class ConcealedOptions {
         @Option(help = "Collect old generation by compacting in-place instead of copying.", type = OptionType.Expert) //
-        public static final HostedOptionKey<Boolean> CompactingOldGen = new HostedOptionKey<>(true, SerialGCOptions::validateCompactingOldGen);
+        public static final HostedOptionKey<Boolean> CompactingOldGen = new HostedOptionKey<>(false, SerialGCOptions::validateCompactingOldGen);
 
         @Option(help = "Determines if a remembered set is used, which is necessary for collecting the young and old generation independently.", type = OptionType.Expert) //
         public static final HostedOptionKey<Boolean> UseRememberedSet = new HostedOptionKey<>(true, SerialGCOptions::serialGCOnly);