From 899fdb213db6c5881c5f9c6760ead6fd713d2070 Mon Sep 17 00:00:00 2001
From: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Date: Tue, 19 Nov 2024 11:25:09 +0200
Subject: Revert "GH-126491: GC: Mark objects reachable from roots before doing
 cycle collection (GH-126502)" (#126983)

---
 Python/bytecodes.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'Python/bytecodes.c')

diff --git a/Python/bytecodes.c b/Python/bytecodes.c
index 4479bd5dc56..c85b49842da 100644
--- a/Python/bytecodes.c
+++ b/Python/bytecodes.c
@@ -2340,6 +2340,10 @@ dummy_func(
             DEOPT_IF(ep->me_key != name);
             PyObject *old_value = ep->me_value;
             DEOPT_IF(old_value == NULL);
+            /* Ensure dict is GC tracked if it needs to be */
+            if (!_PyObject_GC_IS_TRACKED(dict) && _PyObject_GC_MAY_BE_TRACKED(PyStackRef_AsPyObjectBorrow(value))) {
+                _PyObject_GC_TRACK(dict);
+            }
             _PyDict_NotifyEvent(tstate->interp, PyDict_EVENT_MODIFIED, dict, name, PyStackRef_AsPyObjectBorrow(value));
             ep->me_value = PyStackRef_AsPyObjectSteal(value);
             // old_value should be DECREFed after GC track checking is done, if not, it could raise a segmentation fault,
-- 
cgit v1.2.3