Move _PyInterpreterState_FinalizeRefTotal() down to PyInterpreterState_Delete().

Author: ericsnowcurrently

Python/pystate.c

@@ -861,8 +861,6 @@ interpreter_clear(PyInterpreterState *interp, PyThreadState *tstate)
     // XXX Once we have one allocator per interpreter (i.e.
     // per-interpreter GC) we must ensure that all of the interpreter's
     // objects have been cleaned up at the point.
-
-    _PyInterpreterState_FinalizeRefTotal(interp);
 }
 
 
@@ -906,6 +904,10 @@ PyInterpreterState_Delete(PyInterpreterState *interp)
 
     _PyEval_FiniState(&interp->ceval);
 
+    // XXX This call should be done at the end of clear_interpreter(),
+    // but currently some objects get decref'ed after that.
+    _PyInterpreterState_FinalizeRefTotal(interp);
+
     HEAD_LOCK(runtime);
     PyInterpreterState **p;
     for (p = &interpreters->head; ; p = &(*p)->next) {