extern tree build_static_field_ref (tree);
extern tree build_address_of (tree);
extern tree find_local_variable (int index, tree type, int pc);
-extern void update_aliases (tree decl, int index, int pc);
extern tree find_stack_slot (int index, tree type);
extern tree build_prim_array_type (tree, HOST_WIDE_INT);
extern tree build_java_array_type (tree, HOST_WIDE_INT);