extern HOST_WIDE_INT new_alias_set (void);
extern HOST_WIDE_INT get_varargs_alias_set (void);
extern HOST_WIDE_INT get_frame_alias_set (void);
-extern void record_base_value (unsigned int, rtx, int);
extern bool component_uses_parent_alias_set (tree);
/* This alias set can be used to force a memory to conflict with all