+ /* We may have additional unclosed scopes if fork() was called
+ * from within a BEGIN block. See perlfork.pod for more details.
+ * We cannot clean up these other scopes because they belong to a
+ * different interpreter, but we also cannot leave PL_scopestack_ix
+ * dangling because that can trigger an assertion in perl_destruct().
+ */
+ if (PL_scopestack_ix > oldscope) {
+ PL_scopestack[oldscope-1] = PL_scopestack[PL_scopestack_ix-1];
+ PL_scopestack_ix = oldscope;
+ }