EixRT |UV |invlist_lowest|NN SV* const invlist
ERS |SV* |make_exactf_invlist |NN RExC_state_t *pRExC_state \
|NN regnode *node
+ES |regnode_offset|reg_la_NOTHING |NN RExC_state_t *pRExC_state \
+ |U32 flags|NN const char *type
+ES |regnode_offset|reg_la_OPFAIL |NN RExC_state_t *pRExC_state \
+ |U32 flags|NN const char *type
ES |regnode_offset|reg |NN RExC_state_t *pRExC_state \
|I32 paren|NN I32 *flagp|U32 depth
ES |regnode_offset|regnode_guts|NN RExC_state_t *pRExC_state \