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| author | Tshepang Mbambo <hopsi@tuta.io> | 2025-07-17 06:25:42 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-07-17 06:25:42 +0200 |
| commit | b2474c87e1e4a8f01ba935084bb99804942de91b (patch) | |
| tree | 5e7f3165b5beac3fe72f520dbb94be30b73101bb /compiler/rustc_data_structures/src/vec_cache.rs | |
| parent | c113a60c0417ed9b9531648be9aa3d3c82a4524f (diff) | |
| parent | ce0de761f333204d931d2d43a96468986f51ebbd (diff) | |
| download | rust-b2474c87e1e4a8f01ba935084bb99804942de91b.tar.gz rust-b2474c87e1e4a8f01ba935084bb99804942de91b.zip | |
Merge pull request #2508 from rust-lang/rustc-pull
Rustc pull update
Diffstat (limited to 'compiler/rustc_data_structures/src/vec_cache.rs')
| -rw-r--r-- | compiler/rustc_data_structures/src/vec_cache.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_data_structures/src/vec_cache.rs b/compiler/rustc_data_structures/src/vec_cache.rs index 0ffa6b3205f..599970663db 100644 --- a/compiler/rustc_data_structures/src/vec_cache.rs +++ b/compiler/rustc_data_structures/src/vec_cache.rs @@ -76,8 +76,8 @@ impl SlotIndex { index_in_bucket: idx as usize, }; } - // SAFETY: We already ruled out idx 0, so `checked_ilog2` can't return `None`. - let bucket = unsafe { idx.checked_ilog2().unwrap_unchecked() as usize }; + // We already ruled out idx 0, so this `ilog2` never panics (and the check optimizes away) + let bucket = idx.ilog2() as usize; let entries = 1 << bucket; SlotIndex { bucket_idx: bucket - FIRST_BUCKET_SHIFT + 1, |