src/share/vm/memory/filemap.cpp

*** 148,158 ****
  }
  
  FileMapInfo::FileMapInfo() {
    assert(_current_info == NULL, "must be singleton"); // not thread safe
    _current_info = this;
!   memset(this, 0, sizeof(FileMapInfo));
    _file_offset = 0;
    _file_open = false;
    _header = SharedClassUtil::allocate_file_map_header();
    _header->_version = _invalid_version;
  }
--- 148,158 ----
  }
  
  FileMapInfo::FileMapInfo() {
    assert(_current_info == NULL, "must be singleton"); // not thread safe
    _current_info = this;
!   memset((void*)this, 0, sizeof(FileMapInfo));
    _file_offset = 0;
    _file_open = false;
    _header = SharedClassUtil::allocate_file_map_header();
    _header->_version = _invalid_version;
  }