[smart_holder] type_caster_odr_guard MSVC 193732825 C++17 windows-2022 is failing for unknown reasons.

[rwgk]

Description

The condition added here is based on close inspection of the GHA logs for #4914.

• https://github.com/pybind/pybind11/actions/runs/6725911906

• Download: logs_30786.zip

$ python3 what_fails.py *.txt | grep 'MSVC 193732825 C++17'
MSVC 193732825 C++17 False 0___3.10___windows-latest___clang-latest.txt
MSVC 193732825 C++17 True 10___3.10___windows-2022___x64.txt
MSVC 193732825 C++17 True 11___3.11___windows-2022___x64.txt
MSVC 193732825 C++17 True 12___3.12___windows-2022___x64.txt
MSVC 193732825 C++17 True 14___pypy-3.9___windows-2022___x64.txt

$ python3 what_fails.py *.txt | grep -v 'MSVC 193732825 C++17' | grep MSVC
MSVC 192930152 C++14 False 0___3.6___MSVC_2019___x86.txt
MSVC 192930152 C++17 False 0___3.8___MSVC_2019__Debug____x86_-DCMAKE_CXX_STANDARD=17.txt
MSVC 193732825 C++20 False 0___3.9___MSVC_2022_C++20___x64.txt
MSVC 193732825 C++20 False 0___3.9___MSVC_2022_C++20___x64.txt
MSVC 193732825 C++14 False 10___3.10___windows-2022___x64.txt
MSVC 193732825 C++14 False 11___3.11___windows-2022___x64.txt
MSVC 193732825 C++14 False 12___3.12___windows-2022___x64.txt
MSVC 192930152 C++14 False 1___3.7___MSVC_2019___x86_-DCMAKE_CXX_STANDARD=14.txt
MSVC 192930152 C++20 False 1___3.9___MSVC_2019__Debug____x86_-DCMAKE_CXX_STANDARD=20.txt
MSVC 193532217 C++14 False 13___pypy-3.8___windows-2022___x64.txt
MSVC 193532217 C++17 False 13___pypy-3.8___windows-2022___x64.txt
MSVC 193532217 C++17 False 13___pypy-3.8___windows-2022___x64.txt
MSVC 193732825 C++14 False 14___pypy-3.9___windows-2022___x64.txt
MSVC 193532217 C++14 False 15___pypy-3.10___windows-2022___x64.txt
MSVC 193532217 C++17 False 15___pypy-3.10___windows-2022___x64.txt
MSVC 193532217 C++17 False 15___pypy-3.10___windows-2022___x64.txt
MSVC 192930152 C++17 False 2___3.8___MSVC_2019___x86_-DCMAKE_CXX_STANDARD=17.txt
MSVC 192930152 C++14 False 24___3.6___windows-2019___x64_-DPYBIND11_FINDPYTHON=ON.txt
MSVC 192930152 C++17 False 24___3.6___windows-2019___x64_-DPYBIND11_FINDPYTHON=ON.txt
MSVC 192930152 C++17 False 24___3.6___windows-2019___x64_-DPYBIND11_FINDPYTHON=ON.txt
MSVC 192930152 C++14 False 25___3.9___windows-2019___x64.txt
MSVC 192930152 C++17 False 25___3.9___windows-2019___x64.txt
MSVC 192930152 C++17 False 25___3.9___windows-2019___x64.txt
MSVC 192930152 C++20 False 3___3.9___MSVC_2019___x86_-DCMAKE_CXX_STANDARD=20.txt
MSVC 193532217 C++14 False 8___3.6___windows-2022___x64.txt
MSVC 193532217 C++17 False 8___3.6___windows-2022___x64.txt
MSVC 193532217 C++17 False 8___3.6___windows-2022___x64.txt
MSVC 193532217 C++14 False 9___3.9___windows-2022___x64.txt

what_fails.py:

"""."""

import sys


def pin_point(filename):
  """."""
  last_cxx_std = None
  found_failed = None
  def transition():
    if last_cxx_std is None:
      assert found_failed is None
    else:
      assert found_failed is not None
      print(last_cxx_std, found_failed, filename)
  for line in open(filename).read().splitlines():
    pat = " C++ Info: "
    ix = line.find(pat)
    if ix >= 0:
      jx = line.find(" __pybind11_internals_")
      assert jx > ix
      transition()
      last_cxx_std = line[ix + len(pat) : jx].strip()
      found_failed = False
      continue
    ix = line.find("FAILED")
    jx = line.find("test_type_caster_odr_guard_")
    if ix >= 0 and jx > ix:
      found_failed = True
      continue
  transition()


def run(args):
  for filename in args:
    pin_point(filename)


if __name__ == "__main__":
  run(args=sys.argv[1:])

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