*** old/src/hotspot/share/memory/metaspaceShared.cpp	Thu Mar  8 10:24:38 2018
--- new/src/hotspot/share/memory/metaspaceShared.cpp	Thu Mar  8 10:24:38 2018

*** 1017,1026 ****
--- 1017,1027 ----
  public:
  
    VMOp_Type type() const { return VMOp_PopulateDumpSharedSpace; }
    void doit();   // outline because gdb sucks
    static void write_region(FileMapInfo* mapinfo, int region, DumpRegion* space, bool read_only,  bool allow_exec);
+   bool allow_nested_vm_operations() const { return true; }
  }; // class VM_PopulateDumpSharedSpace
  
  class SortedSymbolClosure: public SymbolClosure {
    GrowableArray<Symbol*> _symbols;
    virtual void do_symbol(Symbol** sym) {