gh-159437: Combine GC reference passes - #159599

gh-159437: Combine GC reference passes#159599

mfalco-oai wants to merge 5 commits into

python:mainpython/cpython:mainfrom

mfalco-oai:mfalco-oai/gh-159437-gc-ref-fusion-restrictedmfalco-oai/cpython:mfalco-oai/gh-159437-gc-ref-fusion-restrictedCopy head branch name to clipboard