<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/87381>87381</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [lldb] tests errors `ModuleNotFoundError: No module named '_lldb'` with Release=Debug on Windows 
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          amordo
      </td>
    </tr>
</table>

<pre>
    For example
```
C:\Users\iammorjj\llvm-project\build>python_d bin/lldb-dotest -p TestAddressBreakpoints.py
C:\Program Files\Python312\python_d.exe C:/Users/iammorjj/llvm-project/lldb/test/API/dotest.py --arch x86_64 --build-dir C:/Users/iammorjj/llvm-project/build/lldb-test-build.noindex --executable C:/Users/iammorjj/llvm-project/build/./bin/lldb.exe --compiler C:/Users/iammorjj/llvm-project/build/./bin/clang.exe --dsymutil C:/Users/iammorjj/llvm-project/build/./bin/dsymutil.exe --lldb-libs-dir C:/Users/iammorjj/llvm-project/build/./lib --llvm-tools-dir C:/Users/iammorjj/llvm-project/build/./bin -p TestAddressBreakpoints.py
lldb version 19.0.0git (https://github.com/llvm/llvm-project.git revision ee99475068523de185dce0a449b65e684a1e6b73)
  clang revision ee99475068523de185dce0a449b65e684a1e6b73
  llvm revision ee99475068523de185dce0a449b65e684a1e6b73
Traceback (most recent call last):
  File "C:\Users\iammorjj\llvm-project\build\Lib\site-packages\lldb\__init__.py", line 39, in <module>
    import _lldb
ModuleNotFoundError: No module named '_lldb'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\iammorjj\llvm-project\lldb\test\API\dotest.py", line 8, in <module>
    lldbsuite.test.run_suite()
  File "C:\Users\iammorjj\llvm-project\lldb\packages\Python\lldbsuite\test\dotest.py", line 946, in run_suite
    import lldb
  File "C:\Users\iammorjj\llvm-project\build\Lib\site-packages\lldb\__init__.py", line 42, in <module>
    from . import _lldb
ImportError: cannot import name '_lldb' from partially initialized module 'lldb' (most likely due to a circular import) (C:\Users\iammorjj\llvm-project\build\Lib\site-packages\lldb\__init__.py)

C:\Users\iammorjj\llvm-project\build>
```
It doesn't work neither with `python` nor `python_d`.
Adding `_d` solves the problem  (rename from `"C:\Users\iammorjj\llvm-project\build\lib\site-packages\lldb\_lldb.cp312-win_amd64.pyd"` to `"C:\Users\iammorjj\llvm-project\build\lib\site-packages\lldb\_lldb_d.cp312-win_amd64.pyd"`).
```
C:\Users\iammorjj\llvm-project\build>python_d bin/lldb-dotest -p TestAddressBreakpoints.py
C:\Program Files\Python312\python_d.exe C:/Users/iammorjj/llvm-project/lldb/test/API/dotest.py --arch x86_64 --build-dir C:/Users/iammorjj/llvm-project/build/lldb-test-build.noindex --executable C:/Users/iammorjj/llvm-project/build/./bin/lldb.exe --compiler C:/Users/iammorjj/llvm-project/build/./bin/clang.exe --dsymutil C:/Users/iammorjj/llvm-project/build/./bin/dsymutil.exe --lldb-libs-dir C:/Users/iammorjj/llvm-project/build/./lib --llvm-tools-dir C:/Users/iammorjj/llvm-project/build/./bin -p TestAddressBreakpoints.py
lldb version 19.0.0git (https://github.com/llvm/llvm-project.git revision ee99475068523de185dce0a449b65e684a1e6b73)
  clang revision ee99475068523de185dce0a449b65e684a1e6b73
  llvm revision ee99475068523de185dce0a449b65e684a1e6b73
C:\Users\iammorjj\llvm-project\lldb\packages\Python\lldbsuite\test\lldbplatformutil.py:12: DeprecationWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html
  from pkg_resources import packaging
Skipping the following test categories: ['libc++', 'libstdcxx', 'dwo', 'dsym', 'gmodules', 'debugserver', 'objc', 'fork', 'pexpect']
C:\Users\iammorjj\llvm-project\lldb\packages\Python\lldbsuite\test\lldbtest.py:1520: SyntaxWarning: invalid escape sequence '\l'
  "LD_EXTRAS": "-shared -l%s\liblldb.lib" % lib_dir,
C:\Users\iammorjj\llvm-project\lldb\packages\Python\lldbsuite\test\decorators.py:1094: SyntaxWarning: invalid escape sequence '\s'
  if re.match("%s: 1\s*" % feature, output):
PASS: LLDB (C:\Users\iammorjj\llvm-project\build\bin\clang.exe-x86_64) :: test_address_breakpoints (TestAddressBreakpoints.AddressBreakpointTestCase.test_address_breakpoints)
----------------------------------------------------------------------
Ran 1 test in 4.053s

OK
sys:1: ResourceWarning: unclosed file <_io.TextIOWrapper name='C:\\Users\\iammorjj\\llvm-project\\build\\lldb-test-build.noindex\\functionalities\\breakpoint\\address_breakpoints\\TestAddressBreakpoints.test_address_breakpoints\\Incomplete.log' mode='w' encoding='utf-8'>
ResourceWarning: Enable tracemalloc to get the object allocation traceback
sys:1: ResourceWarning: unclosed file <_io.BufferedRandom name='C:\\Users\\iammorjj\\AppData\\Local\\Temp\\tmphalkqt2u'>

C:\Users\iammorjj\llvm-project\build>
```
PS: seems it's regression after
https://github.com/llvm/llvm-project/commit/ae389b2450bd604a3f3bbe5b09b333b2d99801dd#diff-644df201b5e726af9435d4fd88f8f43924506062add78fff02d4dca4fb8f98d7R152
`set(LIBLLDB_SYMLINK_OUTPUT_FILE "_lldb${LLDB_PYTHON_EXT_SUFFIX}")`

</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzsWE1v47bT_zTMhZAgUe-HHBw7xhM03Q2SLNqeBEoc2dxQpEpSif18-j9IyS9ps0WTdnvahbERKfI3M78ZzgxFjeEbCXCJsiuUrS7oaLdKX9JeaaYuGsX2l2ulMexoPwhA0QpFC5RH888PlyhZoGz5xYA2KFty2vdKf_2KsqUQz30waPUVWouyZTNywVByPeztVsma4YZLRNZCsCZgyoKxOBjwIxi7YEyDMVca6NOguLQmHPavpN1ptdG0x2suwEm985hJTFC2POCHsAPs15P1pB1ZH7Vzcs-0m9RAZO3UQGS9uLtBZD1pFQ57HARUt1u8K_M6T3EQeFsCxvXfFzCZP9vrcCeQUCouGexwEMAO2tHSRrxD7QNq6J6PfHrTg6BV_cAFfEDJE1wrqNzMeMzs-9Fy8U_wDhgzpGdD8MZ8jEyHK3jjgZ77wCol_gFSw-XfCEGnMn4GbbiSOK7CKIw23GJEyq21g5kEI7LecLsdm7BV_Sz1D8JDt0vDM_dAAFWVFlmUlxlJGMRlxlqIaJpWTZ5BXqY0hrwpEkSqSQ2MvWs-gDBvd7p8dPejpi00tH1yZvfKOENakBa3VAgsqDtElWNiluXOKUaEvDNZZMtb3qBsabiFYKDtE9344-4Pa7asay65rWvnGkIQWWLBJeCkco9cYpQse8VGASi5PmiCMe8HpS2uPYif_dkv-qTsWo2SXWutNEoW-JPC03YsaQ8MI1JMm0gxZ0L__2rUXG7wlkom3IPqsN0Cpo16Bgy7FgbLlXQqUansFvRpEqu2HbUGdqTqP6J3JtBnu2zpsl22PGa7cy7Lv6TSwZiRWwj9Vj3K2g8RKc_i9KPanTl8yu_zq0nEUfs39a7SfNb8pNQfI-AUAP9xgKbkL1nttOpx-Eac3viZY3y2VEplD-tcjJ6H6AQzUG05FWKPnSacCv7_wA5hjUhxWHyIM8GfQOwxGwFbhSluuW5HQfUsBZHKLf2OLFXn5-DdvcWbHcqNxUyBkYgUFr8o_YQlcH8QX7jdYpRHU8uA8ghLpU8TNUN5FE4gC8bc4UZ55GexUeIZjD_pg1aNgB47ZjR4P3junQIfiCjxl1z58t4OSUyCFy5r2rM8DYc9c_GVR85p301szb4tGJEq_NEe_mgPf7SHP9rDdxz691V6NzUIajulpyAZ9ihZxMQVwxUMGlrquqpfqJZcbtzs8LSpNRg16hYM5gazeRkwTA2mEi_ubkL8AIBfe8eAHQcfL-GwH2jIFSJr8AeIzkngFXa4tb04UDdV3teipyI9GeqU80sfnvgwuLLiykinhFAvfuSSnVNyozQHpxR293NSCN60iFz5X-F6iGnOWNbudqcp9qLOBmbfn0abqfSbs_fQjBsD-hn0aVI1X9vTqFP66TQaYDf4w1GgbPXd_X3o7ZJFnJHIUfGwl5buzpzM5TMVnGEwLR0AG_h9BNn69saBHNt1V6DJ7aq-_vXxfvHg6pYjlpDAbKkGhgOBSGamUujTpCuJhGBEMix4UzOuEVl-V4sZtEpTq7SZbY6q9AM2mzObeYc1hD217da35cQbmSxwPC1cHEzsgNpRg_OyGu0wvrpj3C0eHtym29vV1Yc6QJfes-WxXARTrfT9ZLJwyI6Bmk55tW5OidVJ-0bK_dOUW7ekZrqOvAV2TI_Bv_JvwrqnEsfToeUSp2GUJea8i_380_TX7B3vsTP2fk4MZx4dZSuUAYY7fxVJljVX4SPs7M3nXzQdBtC-xUfJCpFipv_MA6-d8Gc_nLliDr03uozpZTfK1uVRKrjlMIOfSJzGb5HrX3zDV9_0iN90I10zIsBCKNTGXUh6xWZbX9wQZKuYZ8pNjbYLShfjh47_DT6vpW-VrLtK91QI1brmeAPWJ1vVOF6wn_dFY1ro7twfdtbV2HWggd1TyVT_Pm8thmFFLZ0Gt6ql4sBmP0xPth-2VDz9bsl4bvm_eVG680fcAPQGc5fgDdawcR5zBNHOgp4Wvq-TcW2i6nuHuKaQlFVD0ixqWB6lNOmSpoGsiaomSZKGsKoqo5gxRBLGuy7I05R1JIqbDAqS065Kk4ylHSvLruzSpHJIeZQTylhRdl0XEZaylqZdU3ZVyYr7OCNHWw1YRMrbmyuXxeqH336-vfn0U_35y-Pdl8d6fXN77arBfH9OUTEtu_vt8f8-f3JFo374sl7f_IqKlc-i1ZG3C3aZsCqp6AVcxkVMojIiZX6xvSyKousS0iR5USZxEjdJkRNWtkkUZ02UFxf8kkQkjdKIxEUWkzyMy7IpyragUQpVVCQojaCnXISO0FDpzQU3ZoTLskjK-ELQBoTxH-8JkfCC_UunXba60JfeCa66ozQS3FhzQrHcCv_Vf6pPK5--DAatlTbuCvmBb2J5NF2o70EANS72V663wEriX7hk6sXgi1GLy3dHj7fK9ene6v8FAAD__0WG2uU">