From 928ef372c3180d0a6ef2aa0f1fd63cfd5d24911f Mon Sep 17 00:00:00 2001
From: Maybe Waffle <waffle.lapkin@gmail.com>
Date: Fri, 19 Aug 2022 13:33:06 +0400
Subject: [PATCH] Replace most uses of `pointer::offset` with `add` and `sub`

---
 example/alloc_system.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/example/alloc_system.rs b/example/alloc_system.rs
index 5f66ca67f2d..89661918d05 100644
--- a/example/alloc_system.rs
+++ b/example/alloc_system.rs
@@ -156,7 +156,7 @@ mod platform {
     struct Header(*mut u8);
     const HEAP_ZERO_MEMORY: DWORD = 0x00000008;
     unsafe fn get_header<'a>(ptr: *mut u8) -> &'a mut Header {
-        &mut *(ptr as *mut Header).offset(-1)
+        &mut *(ptr as *mut Header).sub(1)
     }
     unsafe fn align_ptr(ptr: *mut u8, align: usize) -> *mut u8 {
         let aligned = ptr.add(align - (ptr as usize & (align - 1)));