+: Frustratingly, because regcomp.c is also compiled as ext/re/re_comp.c,
+: anything it needs has to be exported. So this has to be X. I'd rather it
+: wasn't.
+Xpo |OP* |sv_compile_2op_is_broken|NN SV *sv|NN OP **startop \
+ |NN const char *code|NN PAD **padp
+ApD |OP* |sv_compile_2op |NN SV *sv|NN OP **startop \