[issue46600] Python built with clang -O0 allocates 10x more stack memory than clang -O3 on a Python function call

[Inada Naoki]

Inada Naoki <songofacandy at gmail.com> added the comment:

I didn't mean _Py_abspath is problem. I just used it to describe why -O0 and -Og is so different.

We can reduce stack usage of it easily, but it is not a problem than _PyEval_EvalFrameDefault.
It is difficult to reduce stack usage of _PyEval_EvalFrameDefault with -O0.

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