NTIFIER,
    CPTI_BASE_CTOR_IDENTIFIER,
    CPTI_DTOR_IDENTIFIER,
    CPTI_COMPLETE_DTOR_IDENTIFIER,
    CPTI_BASE_DTOR_IDENTIFIER,
    CPTI_DELETING_DTOR_IDENTIFIER,
    CPTI_CONV_OP_IDENTIFIER,
    CPTI_DELTA_IDENTIFIER,
    CPTI_IN_CHARGE_IDENTIFIER,
    CPTI_VTT_PARM_IDENTIFIER,
    CPTI_AS_BASE_IDENTIFIER,
    CPTI_THIS_IDENTIFIER,
    CPTI_PFN_IDENTIFIER,
    CPTI_VPTR_IDENTIFIER,
    CPTI_GLOBAL_IDENTIFIER,
    CPTI_ANON_IDENTIFIER,
    CPTI_AUTO_IDENTIFIER,
    CPTI_DECLTYPE_AUTO_IDENTIFIER,
    CPTI_INIT_LIST_IDENTIFIER,
    CPTI_FOR_RANGE__IDENTIFIER,
    CPTI_FOR_BEGIN__IDENTIFIER,
    CPTI_FOR_END__IDENTIFIER,
    CPTI_FOR_RANGE_IDENTIFIER,
    CPTI_FOR_BEGIN_IDENTIFIER,
    CPTI_FOR_END_IDENTIFIER,
    CPTI_ABI_TAG_IDENTIFIER,
    CPTI_ALIGNED_IDENTIFIER,
    CPTI_BEGIN_IDENTIFIER,
    CPTI_END_IDENTIFIER,
    CPTI_GET_IDENTIFIER,
    CPTI_GNU_IDENTIFIER,
    CPTI_TUPLE_ELEMENT_IDENTIFIER,
    CPTI_TUPLE_SIZE_IDENTIFIER,
    CPTI_TYPE_IDENTIFIER,
    CPTI_VALUE_IDENTIFIER,
    CPTI_FUN_IDENTIFIER,
    CPTI_CLOSURE_IDENTIFIER,
    CPTI_HEAP_UNINIT_IDENTIFIER,
    CPTI_HEAP_IDENTIFIER,
    CPTI_HEAP_DELETED_IDENTIFIER,
    CPTI_HEAP_VEC_UNINIT_IDENTIFIER,
    CPTI_HEAP_VEC_IDENTIFIER,
    CPTI_OMP_IDENTIFIER,

    CPTI_LANG_NAME_C,
    CPTI_LANG_NAME_CPLUSPLUS,

    CPTI_EMPTY_EXCEPT_SPEC,
    CPTI_NOEXCEPT_TRUE_SPEC,
    CPTI_NOEXCEPT_FALSE_SPEC,
    CPTI_NOEXCEPT_DEFERRED_SPEC,

    CPTI_ANY_TARG,

    CPTI_MODULE_HWM,
    /* Nodes after here change during compilation, or should not be in
       the module's global tree table.  Such nodes must be locatable
       via name lookup or type-construction, as those are the only
       cross-TU matching capabilities remaining.  */

    /* We must find these via the global namespace.  */
    CPTI_STD,
    CPTI_ABI,

    /* These are created at init time, but the library/headers provide
       definitions.  */
    CPTI_ALIGN_TYPE,
    CPTI_TERMINATE_FN,
    CPTI_CALL_UNEXPECTED_FN,

    /* These are lazily inited.  */
    CPTI_CONST_TYPE_INFO_TYPE,
    CPTI_GET_EXCEPTION_PTR_FN,
    CPTI_BEGIN_CATCH_FN,
    CPTI_END_CATCH_FN,
    CPTI_ALLOCATE_EXCEPTION_FN,
    CPTI_FREE_EXCEPTION_FN,
    CPTI_THROW_FN,
    CPTI_RETHROW_FN,
    CPTI_ATEXIT_FN_PTR_TYPE,
    CPTI_ATEXIT,
    CPTI_DSO_HANDLE,
    CPTI_DCAST,

    CPTI_PSEUDO_CONTRACT_VIOLATION,

    CPTI_MAX
};

extern GTY(()) tree cp_global_trees[CPTI_MAX];

#define wchar_decl_node			cp_global_trees[CPTI_WCHAR_DECL]
#define vtable_entry_type		cp_global_trees[CPTI_VTABLE_ENTRY_TYPE]
/* The type used to represent an offset by which to adjust the `this'
   pointer in pointer-to-member types.  */
#define delta_type_node			cp_global_trees[CPTI_DELTA_TYPE]
/* The type used to represent an index into the vtable.  */
#define vtable_index_type		cp_global_trees[CPTI_VTABLE_INDEX_TYPE]

#define class_type_node			cp_global_trees[CPTI_CLASS_TYPE]
#define unknown_type_node		cp_global_trees[CPTI_UNKNOWN_TYPE]
#define init_list_type_node		cp_global_trees[CPTI_INIT_LIST_TYPE]
#define explicit_void_list_node		cp_global_trees[CPTI_EXPLICIT_VOID_LIST]
#define vtbl_type_node			cp_global_trees[CPTI_VTBL_TYPE]
#define vtbl_ptr_type_node		cp_global_trees[CPTI_VTBL_PTR_TYPE]
#define std_node			cp_global_trees[CPTI_STD]
#define abi_node			cp_global_trees[CPTI_ABI]
#define global_namespace		cp_global_trees[CPTI_GLOBAL]
#define const_type_info_type_node	cp_global_trees[CPTI_CONST_TYPE_INFO_TYPE]
#define conv_op_marker			cp_global_trees[CPTI_CONV_OP_MARKER]
#define abort_fndecl			cp_global_trees[CPTI_ABORT_FNDECL]
#define current_aggr			cp_global_trees[CPTI_AGGR_TAG]
/* std::align_val_t */
#define align_type_node			cp_global_trees[CPTI_ALIGN_TYPE]
#define pseudo_contract_violation_type	cp_global_trees[CPTI_PSEUDO_CONTRACT_VIOLATION]

/* We cache these tree nodes so as to call get_identifier less frequently.
   For identifiers for functions, including special member functions such
   as ctors and assignment operators, the nodes can be used (among other
   things) to iterate over their overloads defined by/for a type.  For
   example:

     tree ovlid = assign_op_identifier;
     tree overloads = get_class_binding (type, ovlid);
     for (ovl_iterator it (overloads); it; ++it) { ... }

   iterates over the set of implicitly and explicitly defined overloads
   of the assignment operator for type (including the copy and move
   assignment operators, whether deleted or not).  */

/* The name of a constructor that takes an in-charge parameter to
   decide whether or not to construct virtual base classes.  */
#define ctor_identifier			cp_global_trees[CPTI_CTOR_IDENTIFIER]
/* The name of a constructor that constructs virtual base classes.  */
#define complete_ctor_identifier	cp_global_trees[CPTI_COMPLETE_CTOR_IDENTIFIER]
/* The name of a constructor that does not construct virtual base classes.  */
#define base_ctor_identifier		cp_global_trees[CPTI_BASE_CTOR_IDENTIFIER]
/* The name of a destructor that takes an in-charge parameter to
   decide whether or not to destroy virtual base classes and whether
   or not to delete the object.  */
#define dtor_identifier			cp_global_trees[CPTI_DTOR_IDENTIFIER]
/* The name of a destructor that destroys virtual base classes.  */
#define complete_dtor_identifier	cp_global_trees[CPTI_COMPLETE_DTOR_IDENTIFIER]
/* The name of a destructor that does not destroy virtual base
   classes.  */
#define base_dtor_identifier		cp_global_trees[CPTI_BASE_DTOR_IDENTIFIER]
/* The name of a destructor that destroys virtual base classes, and
   then deletes the entire object.  */
#define deleting_dtor_identifier	cp_global_trees[CPTI_DELETING_DTOR_IDENTIFIER]

/* The name used for conversion operators -- but note that actual
   conversion functions use special identifiers outside the identifier
   table.  */
#define conv_op_identifier		cp_global_trees[CPTI_CONV_OP_IDENTIFIER]

#define delta_identifier		cp_global_trees[CPTI_DELTA_IDENTIFIER]
#define in_charge_identifier		cp_global_trees[CPTI_IN_CHARGE_IDENTIFIER]
/* The name of the parameter that contains a pointer to the VTT to use
   for this subobject constructor or destructor.  */
#define vtt_parm_identifier		cp_global_trees[CPTI_VTT_PARM_IDENTIFIER]
#define as_base_identifier		cp_global_trees[CPTI_AS_BASE_IDENTIFIER]
#define this_identifier			cp_global_trees[CPTI_THIS_IDENTIFIER]
#define pfn_identifier			cp_global_trees[CPTI_PFN_IDENTIFIER]
#define vptr_identifier			cp_global_trees[CPTI_VPTR_IDENTIFIER]
/* The name of the ::, std & anon namespaces.  */
#define global_identifier		cp_global_trees[CPTI_GLOBAL_IDENTIFIER]
#define anon_identifier			cp_global_trees[CPTI_ANON_IDENTIFIER]
/* auto and declspec(auto) identifiers.  */
#define auto_identifier			cp_global_trees[CPTI_AUTO_IDENTIFIER]
#define decltype_auto_identifier	cp_global_trees[CPTI_DECLTYPE_AUTO_IDENTIFIER]
#define init_list_identifier		cp_global_trees[CPTI_INIT_LIST_IDENTIFIER]
#define for_range__identifier		cp_global_trees[CPTI_FOR_RANGE__IDENTIFIER]
#define for_begin__identifier		cp_global_trees[CPTI_FOR_BEGIN__IDENTIFIER]
#define for_end__identifier		cp_global_trees[CPTI_FOR_END__IDENTIFIER]
#define for_range_identifier		cp_global_trees[CPTI_FOR_RANGE_IDENTIFIER]
#define for_begin_identifier		cp_global_trees[CPTI_FOR_BEGIN_IDENTIFIER]
#define for_end_identifier		cp_global_trees[CPTI_FOR_END_IDENTIFIER]
#define abi_tag_identifier		cp_global_trees[CPTI_ABI_TAG_IDENTIFIER]
#define aligned_identifier		cp_global_trees[CPTI_ALIGNED_IDENTIFIER]
#define begin_identifier		cp_global_trees[CPTI_BEGIN_IDENTIFIER]
#define end_identifier			cp_global_trees[CPTI_END_IDENTIFIER]
#define get__identifier			cp_global_trees[CPTI_GET_IDENTIFIER]
#define gnu_identifier			cp_global_trees[CPTI_GNU_IDENTIFIER]
#define tuple_element_identifier	cp_global_trees[CPTI_TUPLE_ELEMENT_IDENTIFIER]
#define tuple_size_identifier		cp_global_trees[CPTI_TUPLE_SIZE_IDENTIFIER]
#define type_identifier			cp_global_trees[CPTI_TYPE_IDENTIFIER]
#define value_identifier		cp_global_trees[CPTI_VALUE_IDENTIFIER]
#define fun_identifier			cp_global_trees[CPTI_FUN_IDENTIFIER]
#define closure_identifier		cp_global_trees[CPTI_CLOSURE_IDENTIFIER]
#define heap_uninit_identifier		cp_global_trees[CPTI_HEAP_UNINIT_IDENTIFIER]
#define heap_identifier			cp_global_trees[CPTI_HEAP_IDENTIFIER]
#define heap_deleted_identifier		cp_global_trees[CPTI_HEAP_DELETED_IDENTIFIER]
#define heap_vec_uninit_identifier	cp_global_trees[CPTI_HEAP_VEC_UNINIT_IDENTIFIER]
#define heap_vec_identifier		cp_global_trees[CPTI_HEAP_VEC_IDENTIFIER]
#define omp_identifier			cp_global_trees[CPTI_OMP_IDENTIFIER]
#define lang_name_c			cp_global_trees[CPTI_LANG_NAME_C]
#define lang_name_cplusplus		cp_global_trees[CPTI_LANG_NAME_CPLUSPLUS]

/* Exception specifiers used for throw(), noexcept(true),
   noexcept(false) and deferred noexcept.  We rely on these being
   uncloned.  */
#define empty_except_spec		cp_global_trees[CPTI_EMPTY_EXCEPT_SPEC]
#define noexcept_true_spec		cp_global_trees[CPTI_NOEXCEPT_TRUE_SPEC]
#define noexcept_false_spec		cp_global_trees[CPTI_NOEXCEPT_FALSE_SPEC]
#define noexcept_deferred_spec		cp_global_trees[CPTI_NOEXCEPT_DEFERRED_SPEC]

/* Exception handling function declarations.  */
#define terminate_fn			cp_global_trees[CPTI_TERMINATE_FN]
#define call_unexpected_fn		cp_global_trees[CPTI_CALL_UNEXPECTED_FN]
#define get_exception_ptr_fn		cp_global_trees[CPTI_GET_EXCEPTION_PTR_FN]
#define begin_catch_fn			cp_global_trees[CPTI_BEGIN_CATCH_FN]
#define end_catch_fn			cp_global_trees[CPTI_END_CATCH_FN]
#define allocate_exception_fn		cp_global_trees[CPTI_ALLOCATE_EXCEPTION_FN]
#define free_exception_fn		cp_global_trees[CPTI_FREE_EXCEPTION_FN]
#define throw_fn			cp_global_trees[CPTI_THROW_FN]
#define rethrow_fn			cp_global_trees[CPTI_RETHROW_FN]

/* The type of the function-pointer argument to "__cxa_atexit" (or
   "std::atexit", if "__cxa_atexit" is not being used).  */
#define atexit_fn_ptr_type_node         cp_global_trees[CPTI_ATEXIT_FN_PTR_TYPE]

/* A pointer to `std::atexit'.  */
#define atexit_node			cp_global_trees[CPTI_ATEXIT]

/* A pointer to `__dso_handle'.  */
#define dso_handle_node			cp_global_trees[CPTI_DSO_HANDLE]

/* The declaration of the dynamic_cast runtime.  */
#define dynamic_cast_node		cp_global_trees[CPTI_DCAST]

/* The type of a destructor.  */
#define cleanup_type			cp_global_trees[CPTI_CLEANUP_TYPE]

/* The type of the vtt parameter passed to subobject constructors and
   destructors.  */
#define vtt_parm_type			cp_global_trees[CPTI_VTT_PARM_TYPE]

/* A node which matches any template argument.  */
#define any_targ_node			cp_global_trees[CPTI_ANY_TARG]

/* Node to indicate default access. This must be distinct from the
   access nodes in tree.h.  */

#define access_default_node		null_node