[GR-58129] LayerUse should only disable ClosedTypeWorldHubLayout, not ClosedTypeWorld.

PullRequest: graal/18816

Author: cstancu

substratevm/src/com.oracle.svm.hosted/src/com/oracle/svm/hosted/imagelayer/HostedImageLayerBuildingSupport.java

@@ -146,7 +146,7 @@ public static void processLayerOptions(EconomicMap<OptionKey<?>, Object> values)
             if (layerUseValue.toString().isEmpty()) {
                 /* Nothing to do, an empty --layer-use= disables the layer application. */
             } else {
-                SubstrateOptions.ClosedTypeWorld.update(values, false);
+                SubstrateOptions.ClosedTypeWorldHubLayout.update(values, false);
                 SubstrateOptions.ParseRuntimeOptions.update(values, false);
                 if (imageLayerEnabledHandler != null) {
                     imageLayerEnabledHandler.onOptionEnabled(values);

substratevm/src/com.oracle.svm.hosted/src/com/oracle/svm/hosted/meta/VTableBuilder.java

@@ -46,10 +46,12 @@
 public final class VTableBuilder {
     private final HostedUniverse hUniverse;
     private final HostedMetaAccess hMetaAccess;
+    private final boolean closedTypeWorldHubLayout;
 
     private VTableBuilder(HostedUniverse hUniverse, HostedMetaAccess hMetaAccess) {
         this.hUniverse = hUniverse;
         this.hMetaAccess = hMetaAccess;
+        closedTypeWorldHubLayout = SubstrateOptions.useClosedTypeWorldHubLayout();
     }
 
     public static void buildTables(HostedUniverse hUniverse, HostedMetaAccess hMetaAccess) {
@@ -118,7 +120,7 @@ private List<HostedMethod> generateITable(HostedType type) {
 
     private List<HostedMethod> generateDispatchTable(HostedType type, int startingIndex) {
         Predicate<HostedMethod> includeMethod;
-        if (hUniverse.hostVM().isClosedTypeWorld()) {
+        if (closedTypeWorldHubLayout) {
             // include only methods which will be indirect calls
             includeMethod = m -> m.implementations.length > 1 || m.wrapped.isVirtualRootMethod();
         } else {