squash: fix jck failure

Author: dougxc

substratevm/src/com.oracle.svm.util/src/com/oracle/svm/util/AnnotatedObjectAccess.java

@@ -476,7 +476,16 @@ private static List<TypeAnnotationValue> getTypeAnnotationValuesFromRoot(Annotat
      */
     public Object getAnnotationDefaultValue(Annotated method) {
         Annotated root = unwrap(method, null);
-        return root != null ? AnnotationValueSupport.getAnnotationDefaultValue((ResolvedJavaMethod) root) : null;
+        if (root == null) {
+            return null;
+        }
+        try {
+            return AnnotationValueSupport.getAnnotationDefaultValue((ResolvedJavaMethod) root);
+        } catch (IllegalArgumentException | BufferUnderflowException | GenericSignatureFormatError e) {
+            return new AnnotationFormatError(e);
+        } catch (AnnotationFormatError e) {
+            return e;
+        }
     }
 
     private static Annotated unwrap(Annotated element, List<AnnotationValue> injectedAnnotationsCollector) {