[GR-64029] SVM: Must explicitly set optimization level to the default value

PullRequest: graal/20484

Author: kittyoracle

substratevm/src/com.oracle.svm.hosted/src/com/oracle/svm/hosted/NativeImageClassLoaderSupport.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2020, 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
@@ -324,7 +324,11 @@ private String createOptionStr(HostedOptionKey<AccumulatingLocatableMultiOptionV
 
     public void setupHostedOptionParser(List<String> arguments) {
         hostedOptionParser = new HostedOptionParser(getClassLoader(), arguments);
+        // Explicitly set the default value of Optimize as it can modify the default values of other
+        // options
+        SubstrateOptions.Optimize.update(hostedOptionParser.getHostedValues(), SubstrateOptions.Optimize.getDefaultValue());
         remainingArguments = Collections.unmodifiableList((hostedOptionParser.parse()));
+
         /*
          * The image layer support needs to be configured early to correctly set the
          * class-path/module-path options. Note that parsedHostedOptions is a copy-by-value of