32-bit windows builds on Azure sometimes fail to find mingw nm.exe #18119

    @pytest.mark.skipif(sys.platform != 'win32', reason='win32 only test')
    def test_build_import():
        '''Test the mingw32ccompiler.build_import_library, which builds a
        `python.a` from the MSVC `python.lib`
        '''
    
        # make sure `nm.exe` exists and supports the current python version. This
        # can get mixed up when the PATH has a 64-bit nm but the python is 32-bit
        try:
>           out = subprocess.check_output(['nm.exe', '--help'])


...


process = <Popen: returncode: 4294967295 args: ['nm.exe', '--help']>
stdout = b"Cannot find file at '..\\\\lib\\mingw\\tools\\install\\mingw64\\x86_64-w64-mingw32\\bin\\nm.exe'  \
(C:\\ProgramData\\C...\mingw\\tools\\install\\mingw64\\x86_64-w64-mingw32\\bin\\nm.exe). \
This usually indicates a missing or moved file.\r\n"
stderr = None, retcode = 4294967295