--- old/src/hotspot/share/runtime/vmStructs.cpp	2019-10-10 17:16:45.950524326 -0700
+++ new/src/hotspot/share/runtime/vmStructs.cpp	2019-10-10 17:16:45.694515138 -0700
@@ -1104,7 +1104,7 @@
   CDS_ONLY(nonstatic_field(FileMapInfo,        _header,                   FileMapHeader*))                                           \
   CDS_ONLY(   static_field(FileMapInfo,        _current_info,             FileMapInfo*))                                             \
   CDS_ONLY(nonstatic_field(FileMapHeader,      _space[0],                 CDSFileMapRegion))                                         \
-  CDS_ONLY(nonstatic_field(CDSFileMapRegion,   _addr._base,               char*))                                                    \
+  CDS_ONLY(nonstatic_field(CDSFileMapRegion,   _mapped_base,              char*))                                                    \
   CDS_ONLY(nonstatic_field(CDSFileMapRegion,   _used,                     size_t))                                                   \
                                                                                                                                      \
   /******************/                                                                                                               \