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mimalloc-pprof 0.9.2
Seeded sampling is now actually reproducible (#91). Until this version,
mi_prof_start_seeded and MIMALLOC_PROF_SEED mixed the ASLR-randomised address of
the thread's allocator state into the PRNG seed, so pinning a seed did not give a
repeatable profile despite the docs promising one.
Validated before tagging: 17/17 PR checks; auto-release dry run green on
ubuntu/macos/windows; test-prof-seed-determinism verified to fail without the fix
on Linux and macOS.