Suppress MINGW -Wmismatched-new-delete (seen in mingw32 & mingw64 ci.yml logs).

```
2023-02-17T09:47:45.7114041Z D:\a\pybind11\pybind11\tests\test_factory_constructors.cpp:381:30: error: 'void operator delete(void*)' called on pointer returned from a mismatched allocation function [-Werror=mismatched-new-delete]
2023-02-17T09:47:45.7114692Z   381 |             ::operator delete(p);
2023-02-17T09:47:45.7115055Z       |             ~~~~~~~~~~~~~~~~~^~~
2023-02-17T09:47:45.7115444Z In lambda function,
2023-02-17T09:47:45.7116873Z     inlined from 'pybind11::detail::initimpl::factory<test_submodule_factory_constructors(pybind11::module_&)::<lambda(int, int)>, pybind11::detail::void_type (*)(), test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc*(int, int), pybind11::detail::void_type()>::execute<pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc> >(pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc>&) &&::<lambda(pybind11::detail::value_and_holder&, int, int)>' at D:/a/pybind11/pybind11/include/pybind11/detail/init.h:376:33,
2023-02-17T09:47:45.7119232Z     inlined from 'Return pybind11::detail::argument_loader<Args>::call_impl(Func&&, pybind11::detail::index_sequence<Is ...>, Guard&&) && [with Return = void; Func = pybind11::detail::initimpl::factory<test_submodule_factory_constructors(pybind11::module_&)::<lambda(int, int)>, pybind11::detail::void_type (*)(), test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc*(int, int), pybind11::detail::void_type()>::execute<pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc> >(pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc>&) &&::<lambda(pybind11::detail::value_and_holder&, int, int)>&; long long unsigned int ...Is = {0, 1, 2}; Guard = pybind11::detail::void_type; Args = {pybind11::detail::value_and_holder&, int, int}]' at D:/a/pybind11/pybind11/include/pybind11/cast.h:1563:37,
2023-02-17T09:47:45.7122014Z     inlined from 'pybind11::detail::enable_if_t<std::is_void<_Dummy>::value, pybind11::detail::void_type> pybind11::detail::argument_loader<Args>::call(Func&&) && [with Return = void; Guard = pybind11::detail::void_type; Func = pybind11::detail::initimpl::factory<test_submodule_factory_constructors(pybind11::module_&)::<lambda(int, int)>, pybind11::detail::void_type (*)(), test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc*(int, int), pybind11::detail::void_type()>::execute<pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc> >(pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc>&) &&::<lambda(pybind11::detail::value_and_holder&, int, int)>&; Args = {pybind11::detail::value_and_holder&, int, int}]' at D:/a/pybind11/pybind11/include/pybind11/cast.h:1537:65,
2023-02-17T09:47:45.7125679Z     inlined from 'pybind11::cpp_function::initialize<pybind11::detail::initimpl::factory<test_submodule_factory_constructors(pybind11::module_&)::<lambda(int, int)>, pybind11::detail::void_type (*)(), test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc*(int, int), pybind11::detail::void_type()>::execute<pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc> >(pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc>&) &&::<lambda(pybind11::detail::value_and_holder&, int, int)>, void, pybind11::detail::value_and_holder&, int, int, pybind11::name, pybind11::is_method, pybind11::sibling, pybind11::detail::is_new_style_constructor>(pybind11::detail::initimpl::factory<test_submodule_factory_constructors(pybind11::module_&)::<lambda(int, int)>, pybind11::detail::void_type (*)(), test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc*(int, int), pybind11::detail::void_type()>::execute<pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc> >(pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc>&) &&::<lambda(pybind11::detail::value_and_holder&, int, int)>&&, void (*)(pybind11::detail::value_and_holder&, int, int), const pybind11::name&, const pybind11::is_method&, const pybind11::sibling&, const pybind11::detail::is_new_style_constructor&)::<lambda(pybind11::detail::function_call&)>' at D:/a/pybind11/pybind11/include/pybind11/pybind11.h:249:71,
2023-02-17T09:47:45.7130204Z     inlined from 'static pybind11::handle pybind11::cpp_function::initialize<pybind11::detail::initimpl::factory<test_submodule_factory_constructors(pybind11::module_&)::<lambda(int, int)>, pybind11::detail::void_type (*)(), test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc*(int, int), pybind11::detail::void_type()>::execute<pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc> >(pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc>&) &&::<lambda(pybind11::detail::value_and_holder&, int, int)>, void, pybind11::detail::value_and_holder&, int, int, pybind11::name, pybind11::is_method, pybind11::sibling, pybind11::detail::is_new_style_constructor>(pybind11::detail::initimpl::factory<test_submodule_factory_constructors(pybind11::module_&)::<lambda(int, int)>, pybind11::detail::void_type (*)(), test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc*(int, int), pybind11::detail::void_type()>::execute<pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc> >(pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc>&) &&::<lambda(pybind11::detail::value_and_holder&, int, int)>&&, void (*)(pybind11::detail::value_and_holder&, int, int), const pybind11::name&, const pybind11::is_method&, const pybind11::sibling&, const pybind11::detail::is_new_style_constructor&)::<lambda(pybind11::detail::function_call&)>::_FUN(pybind11::detail::function_call&)' at D:/a/pybind11/pybind11/include/pybind11/pybind11.h:224:21:
2023-02-17T09:47:45.7132694Z D:\a\pybind11\pybind11\tests\test_factory_constructors.cpp:399:71: note: returned from 'static void* test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc::operator new(size_t)'
2023-02-17T09:47:45.7133385Z   399 |     pyNoisyAlloc.def(py::init([](int i, int) { return new NoisyAlloc(i); }));
2023-02-17T09:47:45.7133874Z       |                                                                       ^
2023-02-17T09:47:45.7134610Z In static member function 'static void test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc::operator delete(void*, size_t)',
2023-02-17T09:47:45.7135502Z     inlined from 'test_submodule_factory_constructors(pybind11::module_&)::<lambda(int, double)>' at D:\a\pybind11\pybind11\tests\test_factory_constructors.cpp:408:74,
2023-02-17T09:47:45.7139172Z     inlined from 'pybind11::detail::initimpl::factory<test_submodule_factory_constructors(pybind11::module_&)::<lambda(int, double)>, pybind11::detail::void_type (*)(), test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc*(int, double), pybind11::detail::void_type()>::execute<pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc> >(pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc>&) &&::<lambda(pybind11::detail::value_and_holder&, int, double)>' at D:/a/pybind11/pybind11/include/pybind11/detail/init.h:376:33,
2023-02-17T09:47:45.7141646Z     inlined from 'Return pybind11::detail::argument_loader<Args>::call_impl(Func&&, pybind11::detail::index_sequence<Is ...>, Guard&&) && [with Return = void; Func = pybind11::detail::initimpl::factory<test_submodule_factory_constructors(pybind11::module_&)::<lambda(int, double)>, pybind11::detail::void_type (*)(), test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc*(int, double), pybind11::detail::void_type()>::execute<pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc> >(pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc>&) &&::<lambda(pybind11::detail::value_and_holder&, int, double)>&; long long unsigned int ...Is = {0, 1, 2}; Guard = pybind11::detail::void_type; Args = {pybind11::detail::value_and_holder&, int, double}]' at D:/a/pybind11/pybind11/include/pybind11/cast.h:1563:37,
2023-02-17T09:47:45.7144252Z     inlined from 'pybind11::detail::enable_if_t<std::is_void<_Dummy>::value, pybind11::detail::void_type> pybind11::detail::argument_loader<Args>::call(Func&&) && [with Return = void; Guard = pybind11::detail::void_type; Func = pybind11::detail::initimpl::factory<test_submodule_factory_constructors(pybind11::module_&)::<lambda(int, double)>, pybind11::detail::void_type (*)(), test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc*(int, double), pybind11::detail::void_type()>::execute<pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc> >(pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc>&) &&::<lambda(pybind11::detail::value_and_holder&, int, double)>&; Args = {pybind11::detail::value_and_holder&, int, double}]' at D:/a/pybind11/pybind11/include/pybind11/cast.h:1537:65,
2023-02-17T09:47:45.7147880Z     inlined from 'pybind11::cpp_function::initialize<pybind11::detail::initimpl::factory<test_submodule_factory_constructors(pybind11::module_&)::<lambda(int, double)>, pybind11::detail::void_type (*)(), test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc*(int, double), pybind11::detail::void_type()>::execute<pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc> >(pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc>&) &&::<lambda(pybind11::detail::value_and_holder&, int, double)>, void, pybind11::detail::value_and_holder&, int, double, pybind11::name, pybind11::is_method, pybind11::sibling, pybind11::detail::is_new_style_constructor>(pybind11::detail::initimpl::factory<test_submodule_factory_constructors(pybind11::module_&)::<lambda(int, double)>, pybind11::detail::void_type (*)(), test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc*(int, double), pybind11::detail::void_type()>::execute<pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc> >(pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc>&) &&::<lambda(pybind11::detail::value_and_holder&, int, double)>&&, void (*)(pybind11::detail::value_and_holder&, int, double), const pybind11::name&, const pybind11::is_method&, const pybind11::sibling&, const pybind11::detail::is_new_style_constructor&)::<lambda(pybind11::detail::function_call&)>' at D:/a/pybind11/pybind11/include/pybind11/pybind11.h:249:71,
2023-02-17T09:47:45.7358442Z     inlined from 'static pybind11::handle pybind11::cpp_function::initialize<pybind11::detail::initimpl::factory<test_submodule_factory_constructors(pybind11::module_&)::<lambda(int, double)>, pybind11::detail::void_type (*)(), test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc*(int, double), pybind11::detail::void_type()>::execute<pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc> >(pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc>&) &&::<lambda(pybind11::detail::value_and_holder&, int, double)>, void, pybind11::detail::value_and_holder&, int, double, pybind11::name, pybind11::is_method, pybind11::sibling, pybind11::detail::is_new_style_constructor>(pybind11::detail::initimpl::factory<test_submodule_factory_constructors(pybind11::module_&)::<lambda(int, double)>, pybind11::detail::void_type (*)(), test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc*(int, double), pybind11::detail::void_type()>::execute<pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc> >(pybind11::class_<test_submodule_factory_constructors(pybind11::module_&)::NoisyAlloc>&) &&::<lambda(pybind11::detail::value_and_holder&, int, double)>&&, void (*)(pybind11::detail::value_and_holder&, int, double), const pybind11::name&, const pybind11::is_method&, const pybind11::sibling&, const pybind11::detail::is_new_style_constructor&)::<lambda(pybind11::detail::function_call&)>::_FUN(pybind11::detail::function_call&)' at D:/a/pybind11/pybind11/include/pybind11/pybind11.h:224:21:
```

Author: rwgk

tests/test_factory_constructors.cpp

@@ -378,7 +378,14 @@ TEST_SUBMODULE(factory_constructors, m) {
         }
         static void operator delete(void *p, size_t) {
             py::print("noisy delete");
+#if defined(__MINGW32__)
+            PYBIND11_WARNING_PUSH
+            PYBIND11_WARNING_DISABLE_GCC("-Wmismatched-new-delete")
+#endif
             ::operator delete(p);
+#if defined(__MINGW32__)
+            PYBIND11_WARNING_PUSH
+#endif
         }
         static void operator delete(void *, void *) { py::print("noisy placement delete"); }
     };