src/hotspot/share/classfile/stackMapTable.cpp

@@ -187,11 +187,12 @@
          (!_cp->tag_at(class_index).is_klass() &&
           !_cp->tag_at(class_index).is_unresolved_klass())) {
        _stream->stackmap_format_error("bad class index", THREAD);
        return VerificationType::bogus_type();
      }
-     return VerificationType::reference_type(_cp->klass_name_at(class_index));
+     Symbol* klass_name = _cp->klass_name_at(class_index);
+     return VerificationType::reference_type(klass_name);
    }
    if (tag == ITEM_UninitializedThis) {
      if (flags != nullptr) {
        *flags |= FLAG_THIS_UNINIT;
      }