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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"PPC64LE Fedora Stable Clang 3.x fails test_gdb","articleBody":"Buildbot https://buildbot.python.org/all/#/builders/435 has been failing test_gdb with errors like these:\r\n\r\n```\r\n======================================================================\r\nFAIL: test_pycfunction (test.test_gdb.PyBtTests.test_pycfunction) [_testcapi.meth_varargs]\r\nVerify that \"py-bt\" displays invocations of PyCFunction instances\r\n----------------------------------------------------------------------\r\nTraceback (most recent call last):\r\n  File \"/home/buildbot/buildarea/3.x.cstratak-fedora-stable-ppc64le.clang/build/Lib/test/test_gdb.py\", line 944, in test_pycfunction\r\n    self.assertIn(f'\u003cbuilt-in method {func_name}', gdb_output)\r\nAssertionError: '\u003cbuilt-in method meth_varargs' not found in 'Breakpoint 1 (meth_varargs) pending.\\n[Thread debugging using libthread_db enabled]\\nUsing host libthread_db library \"/lib64/libthread_db.so.1\".\\n\\nBreakpoint 1, meth_varargs (self=\u003cmodule at remote 0x7fffea347230\u003e, args=()) at ./Modules/_testcapimodule.c:2307\\n2307\\t    return Py_BuildValue(\"NO\", _null_to_none(self), args);\\n#0  meth_varargs (self=\u003cmodule at remote 0x7fffea347230\u003e, args=()) at ./Modules/_testcapimodule.c:2307\\n#1  PyModuleDef_Type ()\\nBacktrace stopped: frame did not save the PC\\nUnable to locate python frame\\n'\r\n```\r\n\r\nIt last succeeded on commit 373bca0cc5256dc512ffc22bdff4424f7ee8baa2 and first failed on fcd5fb49b1d71165f3c503c3d2e74a082ddb2f21, suggesting that the culprit is one of these commits:\r\n\r\n- fcd5fb49b1d71165f3c503c3d2e74a082ddb2f21 gh-104357: fix inlined comprehensions that close over iteration var (#104368)\r\n- 94f30c75576bb8a20724b2ac758fa33af089a522 GH-90208: Suppress OSError exceptions from `pathlib.Path.glob()` (GH-104141)\r\n\r\nNeither looks likely to affect test_gdb though.\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-109360\n* gh-109361\n* gh-109362\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/JelleZijlstra","@type":"Person","name":"JelleZijlstra"},"datePublished":"2023-05-22T05:06:37.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":19},"url":"https://github.com/104736/cpython/issues/104736"}