[3.6] bpo-31217: Fix regrtest -R for small integer (#3260) by vstinner · Pull Request #3261 · python/cpython
Use a pool of integer objects toprevent false alarm when checking for
memory block leaks. Fill the pool with values in -1000..1000 which
are the most common (reference, memory block, file descriptor)
differences.
Co-Authored-By: Antoine Pitrou pitrou@free.fr
(cherry picked from commit 6c2feab)