Add comments for delete_later from _ts

Author: sergey-miryanov

Include/cpython/pystate.h

@@ -157,6 +157,8 @@ struct _ts {
      */
     unsigned long native_thread_id;
 
+    /* List of objects that still need to be cleaned up, singly linked
+     * via their gc headers' gc_next pointers.  */
     PyObject *delete_later;
 
     /* Tagged pointer to top-most critical section, or zero if there is no

Objects/object.c

@@ -3050,7 +3050,7 @@ Py_ReprLeave(PyObject *obj)
 
 /* Trashcan support. */
 
-/* Add op to the gcstate->trash_delete_later list.  Called when the current
+/* Add op to the tstate->delete_later list.  Called when the current
  * call-stack depth gets large.  op must be a gc'ed object, with refcount 0.
  *  Py_DECREF must already have been called on it.
  */
@@ -3076,7 +3076,7 @@ _PyTrash_thread_deposit_object(PyThreadState *tstate, PyObject *op)
     tstate->delete_later = op;
 }
 
-/* Deallocate all the objects in the gcstate->trash_delete_later list.
+/* Deallocate all the objects in the tstate->delete_later list.
  * Called when the call-stack unwinds again. */
 void
 _PyTrash_thread_destroy_chain(PyThreadState *tstate)