Jacob Pratt 02deabb779
Rollup merge of #145137 - Kmeakin:km/optimize-slice-index-panicking, r=jhpratt
Consolidate panicking functions in `slice/index.rs`

Consolidate all the panicking functions in `slice/index.rs` to use a single `slice_index_fail` function, similar to how it is done in `str/traits.rs`.

Split off from https://github.com/rust-lang/rust/pull/145024
2025-08-21 17:57:51 -04:00
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