> (once I remove the @skip on test_no_hang_on_context_chain_cycle2). 

Oh. I forgot that the test is still skipped!


> With your patch I don't see a leak for refleak.py, but I still see one for 
> ./python.exe -m test -R 3:3 test_exceptions -m test_no_hang_on_context_chain_cycle2 -m test_recursion_normalizing_infinite_exception -m test_recursion_in_except_handler -m test_recursion_normalizing_with_no_memory -F -j1

If I apply attached strict_refleak_check.patch and I remove @unittest.skip("See issue 44895") of test_no_hang_on_context_chain_cycle2(), I get:

$ ./python -m test -R 3:3 test_exceptions -m test_no_hang_on_context_chain_cycle2 -m test_recursion_normalizing_infinite_exception -m test_recursion_in_except_handler -m test_recursion_normalizing_with_no_memory

(...)
test_exceptions leaked [6, -6, 6] references, sum=6
(...)