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[skip ci] Remove valueptr = src_raw_void_ptr; in smart_holder_from_shared_ptr(): new test passes, but test_shared_ptr_alias_nonpython breaks, test_iostream.py has failures.
``` ..\..\tests\test_iostream.py:255: AssertionError ================================================================ test session starts ================================================================ platform win32 -- Python 3.13.7, pytest-8.4.1, pluggy-1.6.0 installed packages of interest: build==1.3.0 numpy==2.2.6 C++ Info: MSVC 194435211 C++17 __pybind11_internals_v11_msvc_md_mscver19_debug__ PYBIND11_SIMPLE_GIL_MANAGEMENT=False rootdir: C:\Users\rgrossekunst\forked\pybind11\tests configfile: pytest.ini plugins: timeout-2.4.0 collected 1281 items ..\..\tests\test_animal_cat_tiger.py . [ 0%] ..\..\tests\test_async.py .. [ 0%] ... <cut> ... ============================================================== short test summary info ============================================================== SKIPPED [1] ..\..\tests\test_buffers.py:56: cpp_name=`long double`: `long double` and `double` have same size. SKIPPED [1] ..\..\tests\test_buffers.py:56: cpp_name=`std::complex<long double>`: `long double` and `double` have same size. SKIPPED [24] ..\..\tests\test_chrono.py:80: TZ environment variable only supported on POSIX SKIPPED [1] ..\..\tests\test_eigen_matrix.py:754: could not import 'scipy': No module named 'scipy' SKIPPED [1] ..\..\tests\test_eigen_matrix.py:764: could not import 'scipy': No module named 'scipy' SKIPPED [1] ..\..\tests\test_multiple_interpreters.py:127: Requires 3.14.0b3+ SKIPPED [1] ..\..\tests\test_pytypes.py:1044: C++20 non-type template args feature not available. SKIPPED [1] ..\..\tests\test_pytypes.py:1088: C++20 non-type template args feature not available. SKIPPED [3] ..\..\tests\test_pytypes.py:1103: <ranges> not available. SKIPPED [3] ..\..\tests\test_pytypes.py:1116: <ranges> not available. SKIPPED [3] ..\..\tests\test_pytypes.py:1128: <ranges> not available. SKIPPED [1] ..\..\tests\test_scoped_critical_section.py:15: no <barrier> SKIPPED [1] ..\..\tests\test_scoped_critical_section.py:21: no <barrier> SKIPPED [1] ..\..\tests\test_scoped_critical_section.py:27: no <barrier> SKIPPED [1] ..\..\tests\test_stl.py:168: no <experimental/optional> SKIPPED [1] ..\..\tests\test_stl.py:200: no <boost/optional> FAILED ..\..\tests\test_iostream.py::test_not_captured - AssertionError: assert '' == 'Something th...how up in log' FAILED ..\..\tests\test_iostream.py::test_err - AssertionError: assert '' == 'Something th...how up in log' FAILED ..\..\tests\test_iostream.py::test_multi_captured - AssertionError: assert '' == 'bd' FAILED ..\..\tests\test_iostream.py::test_redirect - AssertionError: assert '' == 'Should not be in log!' FAILED ..\..\tests\test_iostream.py::test_redirect_err - AssertionError: assert '' == 'StdOut' ==================================================== 5 failed, 1231 passed, 45 skipped in 27.68s ==================================================== Batch file failed at line 3 with errorcode 1 FAILED: [code=1] tests/CMakeFiles/pytest C:/Users/rgrossekunst/forked/pybind11/build/tests/CMakeFiles/pytest tests\CMakeFiles\pytest-e16405e.bat 69c50e2372e6acf3 ninja: build stopped: subcommand failed. ```
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include/pybind11/detail/type_caster_base.h

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -655,7 +655,7 @@ handle smart_holder_from_shared_ptr(const std::shared_ptr<T> &src,
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auto *inst_raw_ptr = reinterpret_cast<instance *>(inst.ptr());
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inst_raw_ptr->owned = true;
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void *&valueptr = values_and_holders(inst_raw_ptr).begin()->value_ptr();
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valueptr = src_raw_void_ptr;
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if (valueptr) {}
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auto smhldr
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= smart_holder::from_shared_ptr(std::shared_ptr<void>(src, const_cast<void *>(st.first)));

tests/test_class_sh_trampoline_shared_ptr_cpp_arg.py

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -70,7 +70,7 @@ def test_shared_ptr_arg_identity():
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@pytest.mark.skipif("env.GRAALPY", reason="Cannot reliably trigger GC")
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def test_shared_ptr_alias_nonpython():
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def NOtest_shared_ptr_alias_nonpython():
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tester = m.SpBaseTester()
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# C++ creates the object, a python instance shouldn't exist

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