Add ghc9123 variant and Windows TH crash stress harness - #7836

Draft

zeme-wana wants to merge 3 commits into

claude/nervous-chatterjee-dea77b

Commits on Jul 9, 2026

Add ghc9123 variant and Windows TH crash stress harness
zeme-wana
committed

Commits on Jul 15, 2026

Pin nested nixpkgs for the ghc9123 stress arm; guard hung builds
zeme-wana
committed

Commits on Jul 18, 2026

Abort the stress loop on deterministic evaluation failures
zeme-wana
committed