cgraph_2node_hook_list  817 scripts/gcc-plugins/gcc-common.h static inline struct cgraph_2node_hook_list *cgraph_add_node_duplication_hook(cgraph_2node_hook hook, void *data)
cgraph_2node_hook_list  822 scripts/gcc-plugins/gcc-common.h static inline void cgraph_remove_node_duplication_hook(struct cgraph_2node_hook_list *entry)