+STATIC su_uplevel_ud *su_uplevel_storage_new(pTHX) {
+#define su_uplevel_storage_new() su_uplevel_storage_new(aTHX)
+ su_uplevel_ud *sud;
+ dMY_CXT;
+
+ sud = MY_CXT.uplevel_storage.root;
+ if (sud) {
+ MY_CXT.uplevel_storage.root = sud->next;
+ MY_CXT.uplevel_storage.count--;
+ } else {
+ sud = su_uplevel_ud_new();
+ }
+
+ sud->next = MY_CXT.uplevel_storage.top;
+ MY_CXT.uplevel_storage.top = sud;
+
+ return sud;
+}
+
+STATIC void su_uplevel_storage_delete(pTHX_ su_uplevel_ud *sud) {
+#define su_uplevel_storage_delete(S) su_uplevel_storage_delete(aTHX_ (S))
+ dMY_CXT;
+
+ MY_CXT.uplevel_storage.top = sud->next;
+
+ if (MY_CXT.uplevel_storage.count >= SU_UPLEVEL_STORAGE_SIZE) {
+ su_uplevel_ud_delete(sud);
+ } else {
+ sud->next = MY_CXT.uplevel_storage.root;
+ MY_CXT.uplevel_storage.root = sud;
+ MY_CXT.uplevel_storage.count++;
+ }
+}
+
+STATIC int su_uplevel_goto_static(const OP *o) {
+ for (; o; o = o->op_sibling) {
+ /* goto ops are unops with kids. */
+ if (!(o->op_flags & OPf_KIDS))
+ continue;
+
+ switch (o->op_type) {
+ case OP_LEAVEEVAL:
+ case OP_LEAVETRY:
+ /* Don't care about gotos inside eval, as they are forbidden at run time. */
+ break;
+ case OP_GOTO:
+ return 1;
+ default:
+ if (su_uplevel_goto_static(cUNOPo->op_first))
+ return 1;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+STATIC int su_uplevel_goto_runops(pTHX) {
+#define su_uplevel_goto_runops() su_uplevel_goto_runops(aTHX)
+ register OP *op;
+ dVAR;
+
+ op = PL_op;
+ do {
+ if (op->op_type == OP_GOTO) {
+ AV *argarray = NULL;
+ I32 cxix;
+
+ for (cxix = cxstack_ix; cxix >= 0; --cxix) {
+ const PERL_CONTEXT *cx = cxstack + cxix;
+
+ switch (CxTYPE(cx)) {
+ case CXt_SUB:
+ if (CxHASARGS(cx)) {
+ argarray = cx->blk_sub.argarray;
+ goto done;
+ }
+ break;
+ case CXt_EVAL:
+ case CXt_FORMAT:
+ goto done;
+ default:
+ break;
+ }
+ }
+
+done:
+ if (argarray) {
+ dMY_CXT;
+
+ if (MY_CXT.uplevel_storage.top->cxix == cxix) {
+ AV *args = GvAV(PL_defgv);
+ I32 items = AvFILLp(args);
+
+ av_extend(argarray, items);
+ Copy(AvARRAY(args), AvARRAY(argarray), items + 1, SV *);
+ AvFILLp(argarray) = items;
+ }
+ }
+ }
+
+ PL_op = op = op->op_ppaddr(aTHX);
+
+#if !SU_HAS_PERL(5, 13, 0)
+ PERL_ASYNC_CHECK();
+#endif
+ } while (op);
+
+ TAINT_NOT;