From 01c2d73dff3c9936d76d87454bc67af8559440b9 Mon Sep 17 00:00:00 2001
From: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
Date: Tue, 28 Oct 2025 00:12:59 +0000
Subject: [PATCH] fix backoff counters

---
 Python/bytecodes.c         | 1 +
 Python/generated_cases.c.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/Python/bytecodes.c b/Python/bytecodes.c
index b3977e5613b4..96772a772f24 100644
--- a/Python/bytecodes.c
+++ b/Python/bytecodes.c
@@ -2956,6 +2956,7 @@ dummy_func(
             if (!IS_JIT_TRACING() && backoff_counter_triggers(counter) &&
                 this_instr->op.code == JUMP_BACKWARD_JIT &&
                 next_instr->op.code != ENTER_EXECUTOR) {
+                this_instr[1].counter = restart_backoff_counter(counter);
                 if (tstate->interp->jit_state.code_buffer == NULL) {
                     tstate->interp->jit_state.code_buffer = (_PyUOpInstruction *)_PyObject_VirtualAlloc(UOP_BUFFER_SIZE);
                     if (tstate->interp->jit_state.code_buffer == NULL) {
diff --git a/Python/generated_cases.c.h b/Python/generated_cases.c.h
index b97f4987c80f..7daab9556e74 100644
--- a/Python/generated_cases.c.h
+++ b/Python/generated_cases.c.h
@@ -7682,6 +7682,7 @@
                 if (!IS_JIT_TRACING() && backoff_counter_triggers(counter) &&
                     this_instr->op.code == JUMP_BACKWARD_JIT &&
                     next_instr->op.code != ENTER_EXECUTOR) {
+                    this_instr[1].counter = restart_backoff_counter(counter);
                     if (tstate->interp->jit_state.code_buffer == NULL) {
                         _PyFrame_SetStackPointer(frame, stack_pointer);
                         tstate->interp->jit_state.code_buffer = (_PyUOpInstruction *)_PyObject_VirtualAlloc(UOP_BUFFER_SIZE);
-- 
2.47.3