src/hotspot/share/oops/fieldInfo.hpp

*** 64,15 ***
--- 64,18 ---
   public:
  
    class FieldFlags {
      friend class VMStructs;
      friend class JVMCIVMStructs;
+     friend class FieldDesc;
  
      // The ordering of this enum is totally internal.  More frequent
      // flags should come earlier than less frequent ones, because
      // earlier ones compress better.
      enum FieldFlagBitPosition {
+       _ff_null_free_inline_type,  // field's type is an inline type and the field is null free
+       _ff_flat,         // field is a flat field
        _ff_initialized,  // has ConstantValue initializer attribute
        _ff_injected,     // internal field injected by the JVM
        _ff_generic,      // has a generic signature
        _ff_stable,       // trust as stable b/c declared as @Stable
        _ff_contended,    // is contended, may have contention-group

*** 104,16 ***
--- 107,20 ---
      bool has_any_optionals() const {
        return (_flags & _optional_item_bit_mask) != 0;
      }
  
      bool is_initialized() const     { return test_flag(_ff_initialized); }
+     bool is_null_free_inline_type() const { return test_flag(_ff_null_free_inline_type); }
+     bool is_flat() const            { return test_flag(_ff_flat); }
      bool is_injected() const        { return test_flag(_ff_injected); }
      bool is_generic() const         { return test_flag(_ff_generic); }
      bool is_stable() const          { return test_flag(_ff_stable); }
      bool is_contended() const       { return test_flag(_ff_contended); }
  
      void update_initialized(bool z) { update_flag(_ff_initialized, z); }
+     void update_null_free_inline_type(bool z) { update_flag(_ff_null_free_inline_type, z); }
+     void update_flat(bool z)        { update_flag(_ff_flat, z); }
      void update_injected(bool z)    { update_flag(_ff_injected, z); }
      void update_generic(bool z)     { update_flag(_ff_generic, z); }
      void update_stable(bool z)      { update_flag(_ff_stable, z); }
      void update_contended(bool z)   { update_flag(_ff_contended, z); }
    };