From a767b8f8d7f29291ad5eebe021a62e415ba80e11 Mon Sep 17 00:00:00 2001
From: Ken Jin <kenjin4096@gmail.com>
Date: Sun, 21 Dec 2025 00:22:55 +0000
Subject: [PATCH 1/2] Add terminator to JIT code when  halting due to invalid
 dependencies

---
 Python/optimizer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Python/optimizer.c b/Python/optimizer.c
index 16abced6edbeec..1adc3e92582963 100644
--- a/Python/optimizer.c
+++ b/Python/optimizer.c
@@ -710,7 +710,7 @@ _PyJit_translate_single_bytecode_to_trace(
     }
 
     if (!_tstate->jit_tracer_state.prev_state.dependencies_still_valid) {
-        goto done;
+        goto full;
     }
 
     // This happens when a recursive call happens that we can't trace. Such as Python -> C -> Python calls

From acde60af06b8fa8b34cc889b7a9ae4fb5960e419 Mon Sep 17 00:00:00 2001
From: "blurb-it[bot]" <43283697+blurb-it[bot]@users.noreply.github.com>
Date: Sun, 21 Dec 2025 00:25:33 +0000
Subject: [PATCH 2/2] =?UTF-8?q?=F0=9F=93=9C=F0=9F=A4=96=20Added=20by=20blu?=
 =?UTF-8?q?rb=5Fit.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../2025-12-21-00-25-26.gh-issue-139109.gwSsOL.rst               | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 Misc/NEWS.d/next/Core_and_Builtins/2025-12-21-00-25-26.gh-issue-139109.gwSsOL.rst

diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2025-12-21-00-25-26.gh-issue-139109.gwSsOL.rst b/Misc/NEWS.d/next/Core_and_Builtins/2025-12-21-00-25-26.gh-issue-139109.gwSsOL.rst
new file mode 100644
index 00000000000000..17cceac4e09057
--- /dev/null
+++ b/Misc/NEWS.d/next/Core_and_Builtins/2025-12-21-00-25-26.gh-issue-139109.gwSsOL.rst
@@ -0,0 +1 @@
+Add missing terminator in certain cases when tracing in the new JIT compiler.