test_dtrace fails on aarch64 Fedora Stable 3.15: "libpython3.15d.so.1.0: cannot open shared object file"

aarch64 Fedora Stable 3.15: https://buildbot.python.org/#/builders/2035/builds/367

Python configured with --with-pydebug --enable-shared --with-dtrace:

../configure --prefix '$(PWD)/target' --with-pydebug --with-platlibdir=lib64 --enable-ipv6 --enable-shared --with-computed-gotos=yes --with-dbmliborder=gdbm:ndbm:bdb --enable-loadable-sqlite-extensions --with-ssl-default-suites=openssl --without-static-libpython --with-lto --with-valgrind --with-system-libmpdec --with-system-expat --with-dtrace

See also the fix https://github.com/python/cpython/pull/155803.

FAIL: test_gc (test.test_dtrace.SystemTapOptimizedTests.test_gc)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/var/lib/buildbot/worker/cstratak-fedora-stable-aarch64/3.15.cstratak-fedora-stable-aarch64/build/Lib/test/test_dtrace.py", line 470, in test_gc
    self.run_case("gc")
    ~~~~~~~~~~~~~^^^^^^
  File "/var/lib/buildbot/worker/cstratak-fedora-stable-aarch64/3.15.cstratak-fedora-stable-aarch64/build/Lib/test/test_dtrace.py", line 436, in run_case
    actual_output, expected_output = self.backend.run_case(
                                     ~~~~~~~~~~~~~~~~~~~~~^
        name, optimize_python=self.optimize_python)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/var/lib/buildbot/worker/cstratak-fedora-stable-aarch64/3.15.cstratak-fedora-stable-aarch64/build/Lib/test/test_dtrace.py", line 138, in run_case
    actual_output = normalize_trace_output(self.trace_python(
                                           ~~~~~~~~~~~~~~~~~^
        script_file=abspath(name + self.EXTENSION),
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        python_file=abspath(name + ".py"),
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        optimize_python=optimize_python))
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/var/lib/buildbot/worker/cstratak-fedora-stable-aarch64/3.15.cstratak-fedora-stable-aarch64/build/Lib/test/test_dtrace.py", line 180, in trace_python
    return self.trace(script_file, subcommand, timeout=60,
           ~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                      check_returncode=True)
                      ^^^^^^^^^^^^^^^^^^^^^^
  File "/var/lib/buildbot/worker/cstratak-fedora-stable-aarch64/3.15.cstratak-fedora-stable-aarch64/build/Lib/test/test_dtrace.py", line 241, in trace
    return super().trace(
           ~~~~~~~~~~~~~^
        generated_script_file,
        ^^^^^^^^^^^^^^^^^^^^^^
    ...<2 lines>...
        check_returncode=check_returncode,
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "/var/lib/buildbot/worker/cstratak-fedora-stable-aarch64/3.15.cstratak-fedora-stable-aarch64/build/Lib/test/test_dtrace.py", line 169, in trace
    raise AssertionError(
    ...<2 lines>...
    )
AssertionError: Command "stap -g /tmp/test_python_8yc7_r_1/tmpv006srtf.stp -c '/var/lib/buildbot/worker/cstratak-fedora-stable-aarch64/3.15.cstratak-fedora-stable-aarch64/build/build_oot/python -O -O /var/lib/buildbot/worker/cstratak-fedora-stable-aarch64/3.15.cstratak-fedora-stable-aarch64/build/Lib/test/dtracedata/gc.py'" failed with exit code 1:
output='/var/lib/buildbot/worker/cstratak-fedora-stable-aarch64/3.15.cstratak-fedora-stable-aarch64/build/build_oot/python: error while loading shared libraries: libpython3.15d.so.1.0: cannot open shared object file: No such file or directory\n
WARNING: Child process exited with status 127\n
WARNING: /usr/bin/staprun exited with status: 1\n
Pass 5: run failed.  [man error::pass5]\n
'\n

Linked PRs

• gh-156424
• gh-156755

從 Lib/test/test_dtrace.py 開始，尤其關注 SystemTapOptimizedTests.test_gc 及其 run_case/trace 輔助函式。重現 aarch64 Fedora Stable 設定，並檢視已連結的 PR gh-156424 和 gh-156755；當測試不再因為建置出的 Python 無法定位 libpython3.15d.so.1.0 而失敗時，即表示完成。