[3.14] gh-134679: Fix assertion failure in QSBR (gh-134811) #134814
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This is the same underlying bug as pythongh-130519. The destructor may call arbitrary code, changing the `tstate->qsbr pointer` and invalidating the old `struct _qsbr_thread_state`. (cherry picked from commit a4d37f8) Co-authored-by: Sam Gross <colesbury@gmail.com>
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This is the same underlying bug as gh-130519. The destructor may call
arbitrary code, changing the
tstate->qsbr pointerand invalidating theold
struct _qsbr_thread_state.(cherry picked from commit a4d37f8)
Co-authored-by: Sam Gross colesbury@gmail.com