[smart_holder] git merge master #4881
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…#4875) Bumps [seanmiddleditch/gha-setup-ninja](https://github.com/seanmiddleditch/gha-setup-ninja) from 3 to 4. - [Release notes](https://github.com/seanmiddleditch/gha-setup-ninja/releases) - [Commits](seanmiddleditch/gha-setup-ninja@v3...v4) --- updated-dependencies: - dependency-name: seanmiddleditch/gha-setup-ninja dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
….h) (pybind#4877) * LazyInitializeAtLeastOnceDestroyNever v1 * Go back to using `union` as originally suggested by jbms@. The trick (also suggested by jbms@) is to add empty ctor + dtor. * Revert "Go back to using `union` as originally suggested by jbms@. The trick (also suggested by jbms@) is to add empty ctor + dtor." This reverts commit e7b8c4f. * Remove `#include <stdalign.h>` * `include\pybind11/numpy.h(24,10): fatal error C1083: Cannot open include file: 'stdalign.h': No such file or directory` * @tkoeppe wrote: this is a C interop header (and we're not writing C) * Suppress gcc 4.8.5 (CentOS 7) warning. ``` include/pybind11/eigen/../numpy.h:63:53: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing] return *reinterpret_cast<T *>(value_storage_); ^ ``` * Replace comments: Document PRECONDITION. Adopt comment suggested by @tkoeppe: pybind#4877 (comment) * Adopt suggestion by @tkoeppe: * pybind#4877 (comment) * https://godbolt.org/z/Wa79nKz6e * Add `PYBIND11_CONSTINIT`, but it does not work for the current use cases: ``` g++ -o pybind11/tests/test_numpy_array.os -c -std=c++20 -fPIC -fvisibility=hidden -O0 -g -Wall -Wextra -Wconversion -Wcast-qual -Wdeprecated -Wundef -Wnon-virtual-dtor -Wunused-result -Werror -isystem /usr/include/python3.11 -isystem /usr/include/eigen3 -DPYBIND11_STRICT_ASSERTS_CLASS_HOLDER_VS_TYPE_CASTER_MIX -DPYBIND11_ENABLE_TYPE_CASTER_ODR_GUARD_IF_AVAILABLE -DPYBIND11_TEST_BOOST -Ipybind11/include -I/usr/local/google/home/rwgk/forked/pybind11/include -I/usr/local/google/home/rwgk/clone/pybind11/include /usr/local/google/home/rwgk/forked/pybind11/tests/test_numpy_array.cpp ``` ``` In file included from /usr/local/google/home/rwgk/forked/pybind11/tests/test_numpy_array.cpp:10: /usr/local/google/home/rwgk/forked/pybind11/include/pybind11/numpy.h: In static member function ‘static pybind11::detail::npy_api& pybind11::detail::npy_api::get()’: /usr/local/google/home/rwgk/forked/pybind11/include/pybind11/numpy.h:258:82: error: ‘constinit’ variable ‘api_init’ does not have a constant initializer 258 | PYBIND11_CONSTINIT static LazyInitializeAtLeastOnceDestroyNever<npy_api> api_init; | ^~~~~~~~ ``` ``` In file included from /usr/local/google/home/rwgk/forked/pybind11/tests/test_numpy_array.cpp:10: /usr/local/google/home/rwgk/forked/pybind11/include/pybind11/numpy.h: In static member function ‘static pybind11::object& pybind11::dtype::_dtype_from_pep3118()’: /usr/local/google/home/rwgk/forked/pybind11/include/pybind11/numpy.h:697:13: error: ‘constinit’ variable ‘imported_obj’ does not have a constant initializer 697 | imported_obj; | ^~~~~~~~~~~~ ``` * Revert "Add `PYBIND11_CONSTINIT`, but it does not work for the current use cases:" This reverts commit f07b28b. * Reapply "Add `PYBIND11_CONSTINIT`, but it does not work for the current use cases:" This reverts commit 36be645. * Add Default Member Initializer on `value_storage_` as suggested by @tkoeppe: pybind#4877 (comment) This fixes the errors reported under commit f07b28b. * Fix copy-paste-missed-a-change mishap in commit 88cec11. * Semi-paranoid placement new (based on pybind#4877 (comment)). * Move PYBIND11_CONSTINIT to detail/common.h * Move code to the right places, rename new class and some variables. * Fix oversight: update tests/extra_python_package/test_files.py * Get the name right first. * Use `std::call_once`, `std::atomic`, following a pattern developed by @tkoeppe * Make the API more self-documenting (and possibly more easily reusable). * google-clang-tidy IWYU fixes * Rewrite comment as suggested by @tkoeppe * Update test_exceptions.cpp and exceptions.rst * Fix oversight in previous commit: add `PYBIND11_CONSTINIT` * Make `get_stored()` non-const for simplicity. As suggested by @tkoeppe: not seeing any reasonable use in which `get_stored` has to be const. * Add comment regarding `KeyboardInterrupt` behavior, based heavily on information provided by @jbms. * Add `assert(PyGILState_Check())` in `gil_scoped_release` ctor (simple & non-simple implementation) as suggested by @EthanSteinberg. * Fix oversight in previous commit (missing include cassert). * Remove use of std::atomic, leaving comments with rationale, why it is not needed. * Rewrite comment re `std:optional` based on deeper reflection (aka 2nd thoughts). * Additional comment with the conclusion of a discussion under PR pybind#4877. * pybind#4877 (comment) * Small comment changes suggested by @tkoeppe.
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Ignoring a test_iostream.py flake (this is our most common flake). |
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Description
Helper/scratch PR for testing.
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