STINNER Victor <vstin...@python.org> added the comment:
I get two crashes on Windows with Python built in debug mode:
* I got a crash. I wasn't sure if it was an issue of incremental build, so I
rebuilt Python.
* On a fresh build, Python crashed on the CALL_FUNCTION_KW opcode, when loading
names, names was equal to 0xFFFFFFFFFFFFFFFF:
names = POP();
assert(PyTuple_Check(names)); <=== HERE
Moreover, f->f_code was equal to 0xCBCBCBCBCBCBCBCB. But it was really weird.
I added assertion to ensure that f->f_code was not equal 0xCBCBCBCBCBCBCBCB:
the assertion didn't fail.
* I ran "git clean -fdx" and built again Python. This time, it went fine,
moreover the whole test suite passed cleanly!? "== Tests result: SUCCESS =="
and "386 tests OK."
I build Python with:
PCbuild\build.bat -d -p x64 -e
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<https://bugs.python.org/issue27129>
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