git merge smart_holder (pybind/pybind11#4917) #30075
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Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>
Add 3.12 to the default `Python_ADDITIONAL_VERSIONS`.
…google#4850) * Store `std::function<void (void *)>` del_fun; in `guarded_delete` * Specialize the simple common case. Using a `union` is complicated: https://en.cppreference.com/w/cpp/language/union > If members of a union are classes with user-defined constructors and destructors, to switch the active member, explicit destructor and placement new are generally needed: Using `std::variant` increases compile-time overhead. It is currently unclear how much these effects matter in practice: optimization left for later. * Add one test case (more later). * Add `const` to resolve clang-tidy error. ``` -- The CXX compiler identification is Clang 15.0.7 /usr/bin/cmake -E __run_co_compile --tidy="/usr/bin/clang-tidy;--use-color;--warnings-as-errors=*;--extra-arg-before=--driver-mode=g++" --source=/__w/pybind11/pybind11/tests/test_class_sh_inheritance.cpp -- /usr/bin/c++ -DPYBIND11_ENABLE_TYPE_CASTER_ODR_GUARD_IF_AVAILABLE -DPYBIND11_TEST_EIGEN -Dpybind11_tests_EXPORTS -I/__w/pybind11/pybind11/include -isystem /usr/include/python3.9 -isystem /__w/pybind11/pybind11/build/_deps/eigen-src -Os -DNDEBUG -fPIC -fvisibility=hidden -Wall -Wextra -Wconversion -Wcast-qual -Wdeprecated -Wundef -Wnon-virtual-dtor -flto=thin -std=c++17 -o CMakeFiles/pybind11_tests.dir/test_class_sh_inheritance.cpp.o -c /__w/pybind11/pybind11/tests/test_class_sh_inheritance.cpp /__w/pybind11/pybind11/tests/pure_cpp/smart_holder_poc_test.cpp:264:30: error: pointer parameter 'raw_ptr' can be pointer to const [readability-non-const-parameter,-warnings-as-errors] new int(19), [](int *raw_ptr) { delete raw_ptr; }); ^ const ``` * Introduce `struct custom_deleter` to ensure the deleter is moved as desired (the lambda function only captures a reference, which can become dangling). * Resolve helpful clang-tidy errors. ``` /usr/bin/cmake -E __run_co_compile --tidy="/usr/bin/clang-tidy;--use-color;--warnings-as-errors=*;--extra-arg-before=--driver-mode=g++" --source=/__w/pybind11/pybind11/tests/test_class.cpp -- /usr/bin/c++ -DPYBIND11_ENABLE_TYPE_CASTER_ODR_GUARD_IF_AVAILABLE -DPYBIND11_TEST_EIGEN -Dpybind11_tests_EXPORTS -I/__w/pybind11/pybind11/include -isystem /usr/include/python3.9 -isystem /__w/pybind11/pybind11/build/_deps/eigen-src -Os -DNDEBUG -fPIC -fvisibility=hidden -Wall -Wextra -Wconversion -Wcast-qual -Wdeprecated -Wundef -Wnon-virtual-dtor -flto=thin -std=c++17 -o CMakeFiles/pybind11_tests.dir/test_class.cpp.o -c /__w/pybind11/pybind11/tests/test_class.cpp /__w/pybind11/pybind11/include/pybind11/detail/smart_holder_poc.h:114:5: error: single-argument constructors must be marked explicit to avoid unintentional implicit conversions [google-explicit-constructor,-warnings-as-errors] custom_deleter(D &&deleter) : deleter{std::move(deleter)} {} ^ explicit /__w/pybind11/pybind11/include/pybind11/detail/smart_holder_poc.h:120:76: error: forwarding reference passed to std::move(), which may unexpectedly cause lvalues to be moved; use std::forward() instead [bugprone-move-forwarding-reference,-warnings-as-errors] return guarded_delete(std::function<void(void *)>(custom_deleter<T, D>(std::move(uqp_del))), ^~~~~~~~~ std::forward<D> ``` * Workaround for gcc 4.8.5, clang 3.6 * Transfer reduced test here. Reduced from a PyCLIF use case in the wild by @wangxf123456 (internal change cl/565476030). * Add missing include (clangd Include Cleaner) * Change `std::move` to `std::forward` as suggested by @iwanders. * Add missing includes (clangd Include Cleaner) * Use new `PYBIND11_TESTS_PURE_CPP_SMART_HOLDER_POC_TEST_CPP` to exclude `smart_holder::as_unique_ptr` method from production code. * Systematically add `PYBIND11_TESTS_PURE_CPP_SMART_HOLDER_POC_TEST_CPP` to mark code that is not used from production code. Add comment to explain. * Very simple experiment related to pybind/pybind11#4850 (comment) Does the `PYBIND11_TESTS_PURE_CPP_SMART_HOLDER_POC_TEST_CPP` define have anything to do with it? * Revert "Very simple experiment related to pybind/pybind11#4850 (comment)" This reverts commit fe59369f408d354edef16e3d40e2f90d9c2a9ba8.
rwgk
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Ignoring the 16 windows-2022 failures: pybind/pybind11#4914 Observation (from other similar GHA runs): Yesterday the failures only affected some windows-2022 jobs but not others. Now all windows-2022 jobs appear to be failing systematically. |
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Description
This merges pybind/pybind11#4850.
The other small changes are updates from pybind11 master.
Suggested changelog entry: