Check for releasing GIL at compiletime (#116695)
Introduce `conditional_gil_scoped_release` and use it in `wrap_pybind_function*` to avoid a runtime branch making the code cleaner and faster.
@albanD This is the GIL change extracted from #112607 as discussed.
Also fixes a potential use of a moved-from object introduced in #116560:
- `f` is captured by value in a lambda that may be used called times
- After `std::move(f)` the lambda is not safe to call anymore
CC @cyyever for that change
Co-authored-by: Aaron Gokaslan <aaronGokaslan@gmail.com>
Pull Request resolved: https://github.com/pytorch/pytorch/pull/116695
Approved by: https://github.com/albanD, https://github.com/Skylion007
