[GR-68152] Register class metadata on feature API registration behind --future-defaults

PullRequest: graal/21661

Author: loicottet

substratevm/src/com.oracle.svm.hosted/src/com/oracle/svm/hosted/reflect/ReflectionDataBuilder.java

@@ -85,6 +85,7 @@
 import com.oracle.graal.pointsto.meta.AnalysisMethod;
 import com.oracle.graal.pointsto.meta.AnalysisType;
 import com.oracle.graal.pointsto.meta.AnalysisUniverse;
+import com.oracle.svm.core.FutureDefaultsOptions;
 import com.oracle.svm.core.MissingRegistrationUtils;
 import com.oracle.svm.core.configure.ConditionalRuntimeValue;
 import com.oracle.svm.core.configure.RuntimeConditionSet;
@@ -218,7 +219,12 @@ private boolean isQueryFlagSet(Class<?> clazz, int flag) {
     @Override
     public void register(ConfigurationCondition condition, boolean unsafeInstantiated, Class<?> clazz) {
         Objects.requireNonNull(clazz, () -> nullErrorMessage("class"));
-        runConditionalInAnalysisTask(condition, (cnd) -> registerClass(cnd, clazz, unsafeInstantiated, true));
+        runConditionalInAnalysisTask(condition, (cnd) -> {
+            registerClass(cnd, clazz, unsafeInstantiated, true);
+            if (FutureDefaultsOptions.treatNameAsType()) {
+                registerClassMetadata(cnd, clazz);
+            }
+        });
     }
 
     @Override