IPA C++ refactoring 2/N

IPA C++ refactoring 2/N

  * cgraph.h (varpool_node):
  (availability get_availability (void)):
    created from cgraph_variable_initializer_availability
  (inline varpool_node *ultimate_alias_target (availability *availability = NULL)
    creted from: cgraph_variable_initializer_availability
  (inline varpool_node *get_alias_target (void)): created from varpool_alias_target
  (void finalize_named_section_flags (void)):
    created from varpool_finalize_named_section_flags
  (bool assemble_decl (void)): created from varpool_assemble_decl
  (void analyze (void)): created from varpool_analyze_node
  (bool call_for_node_and_aliases (bool (*callback) (varpool_node *, void *),
    void *data, bool include_overwritable)): created fromvarpool_for_node_and_aliases
  (void remove_initializer (void)): created from varpool_remove_initializer
  (tree get_constructor (void)): created from varpool_get_constructor
  (bool externally_visible_p (void)): created from varpool_externally_visible_p
  (bool ctor_useable_for_folding_p (void)): created from varpool_ctor_useable_for_folding_p
  (inline bool all_refs_explicit_p ()): created from varpool_all_refs_explicit_p
  (inline bool can_remove_if_no_refs_p (void)): created from varpool_can_remove_if_no_refs
  (static inline varpool_node *get (const_tree decl)): created from varpool_get_node
  (static void finalize_decl (tree decl)): created from varpool_finalize_decl
  (static bool output_variables (void)): created from varpool_output_variables
  (static varpool_node * create_extra_name_alias (tree alias, tree decl)):
    created from varpool_extra_name_alias
  (static varpool_node * create_alias (tree, tree)): created from varpool_create_variable_alias
  (static void dump_varpool (FILE *f)): created from dump_varpool
  (static void DEBUG_FUNCTION debug_varpool (void)): created from debug_varpool
  (static varpool_node *create_empty (void)): created from varpool_create_empty_node
  (static varpool_node *get_create (tree decl)): created from varpool_node_for_decl
  (static varpool_node *get_for_asmname (tree asmname)): created from varpool_node_for_asm
  (void assemble_aliases (void)): created from assemble_aliases

From-SVN: r212984