perf: try to inline mix_hash

[hargoniX]

No description provided.

[hargoniX]

!bench

[leanprover-radar]

Benchmark results for 050b1e8 against c1ad6aa are in! @hargoniX

• ✅ build//instructions: -50.2G (-0.39%)

Large changes (1✅)

• ✅ big_do//instructions: -108.4M (-0.42%)

Medium changes (7✅)

• ✅ Std.Data.DHashMap.Internal.RawLemmas//instructions: -2.2G (-0.84%)
• ✅ big_omega.lean MT//instructions: -155.6M (-0.65%)
• ✅ big_omega.lean//instructions: -158.1M (-0.67%)
• ✅ build/module/Std.Data.DTreeMap.Internal.Lemmas//instructions: -1.2G (-0.55%)
• ✅ grind_list2.lean//instructions: -192.1M (-0.32%)
• ✅ parser//instructions: -105.3M (-0.25%)
• ✅ reduceMatch//instructions: -113.2M (-0.78%)

Small changes (387✅)

Too many entries to display here. View the full report on radar instead.

[mathlib-lean-pr-testing]

Mathlib CI status (docs):

• ❗ Batteries/Mathlib CI will not be attempted unless your PR branches off the nightly-with-mathlib branch. Try git rebase c1ad6aa0db6ddf7b93fe992e8b19171eec1ac07c --onto 6ca23a7b8bee57152110ce500ce795148707d4ed. You can force Mathlib CI using the force-mathlib-ci label. (2026-02-14 00:43:30)

[leanprover-bot]

Reference manual CI status:

• ❗ Reference manual CI will not be attempted unless your PR branches off the nightly-with-manual branch. Try git rebase c1ad6aa0db6ddf7b93fe992e8b19171eec1ac07c --onto 9da8f5dce42832b8411d58446653f3640a94a6e3. You can force reference manual CI using the force-manual-ci label. (2026-02-14 00:43:32)