bpo-40521: Make async gen free lists per-interpreter (GH-20643)

Each interpreter now has its own asynchronous generator free lists:

* Move async gen free lists into PyInterpreterState.
* Move _PyAsyncGen_MAXFREELIST define to pycore_interp.h
* Add _Py_async_gen_state structure.
* Add tstate parameter to _PyAsyncGen_ClearFreeLists
  and _PyAsyncGen_Fini().

1 files changed, 1 insertions, 1 deletions

diff --git a/Modules/gcmodule.c b/Modules/gcmodule.c
index 2f062d0..89e2db7 100644
--- a/Modules/gcmodule.c
+++ b/Modules/gcmodule.c
@@ -1031,7 +1031,7 @@ clear_freelists(void)
     _PyFloat_ClearFreeList(tstate);
     _PyList_ClearFreeList(tstate);
     _PyDict_ClearFreeList();
-    _PyAsyncGen_ClearFreeLists();
+    _PyAsyncGen_ClearFreeLists(tstate);
     _PyContext_ClearFreeList();
 }