From 547f5872e020e2fd4abfa86e9d4b5162d4d3b511 Mon Sep 17 00:00:00 2001
From: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
Date: Fri, 7 Nov 2025 22:59:14 +0000
Subject: [PATCH] Update optimizer.c

---
 Python/optimizer.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Python/optimizer.c b/Python/optimizer.c
index c38f28e224a8..f1d0ca811c7e 100644
--- a/Python/optimizer.c
+++ b/Python/optimizer.c
@@ -711,7 +711,10 @@ _PyJit_translate_single_bytecode_to_trace(
         max_length--;
     }
 
-    RESERVE_RAW(expansion->nuops + needs_guard_ip + 3 + (!OPCODE_HAS_NO_SAVE_IP(opcode)), "uop and various checks");
+    // _GUARD_IP leads to an exit.
+    max_length -= needs_guard_ip;
+
+    RESERVE_RAW(expansion->nuops + needs_guard_ip + 2 + (!OPCODE_HAS_NO_SAVE_IP(opcode)), "uop and various checks");
 
     ADD_TO_TRACE(_CHECK_VALIDITY, 0, 0, target);
 
-- 
2.47.3