Auto merge of #143289 - scottmcm:remove-array-chunks, r=jhpratt

Remove `[T]::array_chunks(_mut)`

Since libs-api is proposing as much in https://github.com/rust-lang/rust/issues/74985#issuecomment-3024465102

Closes rust-lang/rust#74985
Closes rust-lang/rust#76354

try-job: dist-various-1
try-job: dist-various-2

3 files changed, 9 insertions, 11 deletions

diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs
index 323742a75b0..433e013b40f 100644
--- a/library/std/src/lib.rs
+++ b/library/std/src/lib.rs
@@ -324,7 +324,6 @@
 //
 // Library features (core):
 // tidy-alphabetical-start
-#![feature(array_chunks)]
 #![feature(bstr)]
 #![feature(bstr_internals)]
 #![feature(char_internals)]
diff --git a/library/std/src/sys/random/sgx.rs b/library/std/src/sys/random/sgx.rs
index c3647a8df22..462b19003fa 100644
--- a/library/std/src/sys/random/sgx.rs
+++ b/library/std/src/sys/random/sgx.rs
@@ -46,22 +46,22 @@ fn rdrand16() -> u16 {
 }
 
 pub fn fill_bytes(bytes: &mut [u8]) {
-    let mut chunks = bytes.array_chunks_mut();
-    for chunk in &mut chunks {
+    let (chunks, remainder) = bytes.as_chunks_mut();
+    for chunk in chunks {
         *chunk = rdrand64().to_ne_bytes();
     }
 
-    let mut chunks = chunks.into_remainder().array_chunks_mut();
-    for chunk in &mut chunks {
+    let (chunks, remainder) = remainder.as_chunks_mut();
+    for chunk in chunks {
         *chunk = rdrand32().to_ne_bytes();
     }
 
-    let mut chunks = chunks.into_remainder().array_chunks_mut();
-    for chunk in &mut chunks {
+    let (chunks, remainder) = remainder.as_chunks_mut();
+    for chunk in chunks {
         *chunk = rdrand16().to_ne_bytes();
     }
 
-    if let [byte] = chunks.into_remainder() {
+    if let [byte] = remainder {
         *byte = rdrand16() as u8;
     }
 }
diff --git a/library/std/src/sys/random/uefi.rs b/library/std/src/sys/random/uefi.rs
index 5f001f0f532..4a71d32fffe 100644
--- a/library/std/src/sys/random/uefi.rs
+++ b/library/std/src/sys/random/uefi.rs
@@ -138,12 +138,11 @@ mod rdrand {
     }
 
     unsafe fn rdrand_exact(dest: &mut [u8]) -> Option<()> {
-        let mut chunks = dest.array_chunks_mut();
-        for chunk in &mut chunks {
+        let (chunks, tail) = dest.as_chunks_mut();
+        for chunk in chunks {
             *chunk = unsafe { rdrand() }?.to_ne_bytes();
         }
 
-        let tail = chunks.into_remainder();
         let n = tail.len();
         if n > 0 {
             let src = unsafe { rdrand() }?.to_ne_bytes();