From c87f9d6d930a612b7e1cfa8709910a842a15adac Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Mon, 3 Jul 2023 18:28:09 -0700
Subject: [PATCH] A stray JUMP_BACKWARD also ends the trace

---
 Python/optimizer.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Python/optimizer.c b/Python/optimizer.c
index 2135bf9d060c2e1..92586b6ba26e26a 100644
--- a/Python/optimizer.c
+++ b/Python/optimizer.c
@@ -459,9 +459,11 @@ translate_bytecode_to_trace(
                     && trace_length + 3 <= max_length)
                 {
                     ADD_TO_TRACE(JUMP_TO_TOP, 0);
-                    goto done;
                 }
-                // Else fall through!
+                else {
+                    DPRINTF(2, "JUMP_BACKWARD not to top ends trace\n");
+                }
+                goto done;
             }
             default:
             {