Rollup merge of rust-lang#111408 - TomMD:patch-1, r=workingjubilee

Fix incorrect implication of transmuting slices

transmute<&[u8]> would be useful and as a beginner it is confusing to see documents casually confuse the types of &[u8] and [u8; SZ]

Author: matthiaskrgr

library/core/src/intrinsics.rs

@@ -1187,7 +1187,7 @@ extern "rust-intrinsic" {
     /// Below are common applications of `transmute` which can be replaced with safer
     /// constructs.
     ///
-    /// Turning raw bytes (`&[u8]`) into `u32`, `f64`, etc.:
+    /// Turning raw bytes (`[u8; SZ]`) into `u32`, `f64`, etc.:
     ///
     /// ```
     /// let raw_bytes = [0x78, 0x56, 0x34, 0x12];