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gh-151229: Finalize JIT tracer in test eval-frame stub #151609

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gh-151229: Finalize JIT tracer in test eval-frame stub #151609

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7 changes: 6 additions & 1 deletion Modules/_testinternalcapi/interpreter.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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
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