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gh-159437: Support frozen objects in combined GC reference passes - #159597

Draft

mfalco-oai wants to merge 7 commits into

python:mainfrom

mfalco-oai:mfalco-oai/gh-159437-gc-frozen-fusion

Draft

gh-159437: Support frozen objects in combined GC reference passes#159597
mfalco-oai wants to merge 7 commits into
python:mainfrom
mfalco-oai:mfalco-oai/gh-159437-gc-frozen-fusion

Commits on Oct 16, 2026
- gh-159437: Skip unnecessary GC finalizer scans
  mfalco-oai
  committed
  abd738f
- gh-159437: Count garbage while clearing weakrefs
  mfalco-oai
  committed
  29cee06
- gh-159437: Skip unnecessary late weakref cleanup
  mfalco-oai
  committed
  8baf990
- gh-159437: Combine GC reference passes for full collections
  mfalco-oai
  committed
  5dd920a
- gh-159437: Skip unnecessary legacy finalizer scans
  mfalco-oai
  committed
  d9a38bb
- gh-159437: Combine GC resurrection bookkeeping
  mfalco-oai
  committed
  f72f2c9
- gh-159437: Support frozen objects in fused GC reference passes
  mfalco-oai
  committed
  a776506