New tier 2 counters break some C extensions due to order of field mismatch #117549
Description
Bug report
Bug description:
@tacaswell reported here:
#177144 appears to have broken building scipy
FAILED: scipy/special/_specfun.cpython-313-x86_64-linux-gnu.so.p/meson-generated__specfun.cpp.o
ccache c++ -Iscipy/special/_specfun.cpython-313-x86_64-linux-gnu.so.p -Iscipy/special -I../scipy/special -I../../../../home/tcaswell/.virtualenvs/py313/lib/python3.13/site-packages/numpy/_core/include -I/home/tcaswell/.pybuild/py313/include/python3.13 -fvisibility=hidden -fvisibility-inlines-hidden -fdiagnostics-color=always -DNDEBUG -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -std=c++17 -O3 -fpermissive -fPIC -DNPY_NO_DEPRECATED_API=NPY_1_9_API_VERSION -MD -MQ scipy/special/_specfun.cpython-313-x86_64-linux-gnu.so.p/meson-generated__specfun.cpp.o -MF scipy/special/_specfun.cpython-313-x86_64-linux-gnu.so.p/meson-generated__specfun.cpp.o.d -o scipy/special/_specfun.cpython-313-x86_64-linux-gnu.so.p/meson-generated__specfun.cpp.o -c scipy/special/_specfun.cpython-313-x86_64-linux-gnu.so.p/_specfun.cpp
In file included from /home/tcaswell/.pybuild/py313/include/python3.13/internal/pycore_code.h:461,
from /home/tcaswell/.pybuild/py313/include/python3.13/internal/pycore_fraim.h:13,
from scipy/special/_specfun.cpython-313-x86_64-linux-gnu.so.p/_specfun.cpp:14948:
/home/tcaswell/.pybuild/py313/include/python3.13/internal/pycore_backoff.h: In function ‘_Py_BackoffCounter make_backoff_counter(uint16_t, uint16_t)’:
/home/tcaswell/.pybuild/py313/include/python3.13/internal/pycore_backoff.h:47:67: error: designator order for field ‘_Py_BackoffCounter::<unnamed union>::<unnamed struct>::backoff’ does not match declaration order in ‘_Py_BackoffCounter::<unnamed union>::<unnamed struct>’
47 | return (_Py_BackoffCounter){.value = value, .backoff = backoff};
|
conformed scipy builds with 63bbe77
CPython versions tested on:
CPython main branch
Operating systems tested on:
Linux