pR |OP* |ck_unpack |NN OP *o
sRn |bool |is_handle_constructor|NN const OP *o|I32 numargs
sR |I32 |is_list_assignment|NULLOK const OP *o
-s |void |forget_pmop |NN PMOP *const o|U32 flags
+# ifdef USE_ITHREADS
+so |void |forget_pmop |NN PMOP *const o|U32 flags
+# else
+so |void |forget_pmop |NN PMOP *const o
+# endif
s |void |find_and_forget_pmops |NN OP *o
s |void |cop_free |NN COP *cop
s |OP* |modkids |NULLOK OP *o|I32 type