Rollup merge of #53329 - frewsxcv:frewsxcv-ptr-add-sub, r=RalfJung

Replace usages of ptr::offset with ptr::{add,sub}.

Rust provides these helper methods – so let's use them!

1 files changed, 1 insertions, 1 deletions

diff --git a/src/liballoc/alloc.rs b/src/liballoc/alloc.rs
index c69b2fb5e1c..3bd0c243b39 100644
--- a/src/liballoc/alloc.rs
+++ b/src/liballoc/alloc.rs
@@ -245,7 +245,7 @@ mod tests {
                 .unwrap_or_else(|_| handle_alloc_error(layout));
 
             let mut i = ptr.cast::<u8>().as_ptr();
-            let end = i.offset(layout.size() as isize);
+            let end = i.add(layout.size());
             while i < end {
                 assert_eq!(*i, 0);
                 i = i.offset(1);