Fictional Short Stories

@@ -18,8 +18,13 @@ int Test_EvalFrame_Resumes, Test_EvalFrame_Loads;
 static int
 stop_tracing_and_jit(PyThreadState *tstate, _PyInterpreterFrame *frame)
 {
- (void)(tstate);
  (void)(frame);
+ // Don't actually JIT-compile in this test eval-frame, but we still must
+ // finalize the tracer so the thread-global is_tracing flag is reset.
+ // Otherwise a trace started inside this duplicated interpreter loop
+ // (reachable under low JIT thresholds, e.g. PYTHON_JIT_STRESS=1) would
+ // leave is_tracing stuck true and permanently disable the JIT.
+ _PyJit_FinalizeTracing(tstate, 0);
  return 0;
 }
 #endif