[issue43760] The DISPATCH() macro is not as efficient as it could be (move PyThreadState.use_tracing)

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

> bpo-43760: Add PyThreadState_EnterTracing() (GH-28542)

I created changes to use it:

* pythoncapi_compat: https://github.com/pythoncapi/pythoncapi_compat/commit/10fde24739cab4547e9c27c31c8804a25e23e8a0
* Cython: https://github.com/cython/cython/pull/4411
* greenlet: https://github.com/python-greenlet/greenlet/pull/267

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<https://bugs.python.org/issue43760>
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