summaryrefslogtreecommitdiffstats
path: root/compiler/rustc_codegen_cranelift/example/alloc_system.rs
diff options
context:
space:
mode:
Diffstat (limited to 'compiler/rustc_codegen_cranelift/example/alloc_system.rs')
-rw-r--r--compiler/rustc_codegen_cranelift/example/alloc_system.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_cranelift/example/alloc_system.rs b/compiler/rustc_codegen_cranelift/example/alloc_system.rs
index cf95c89bc..50261c193 100644
--- a/compiler/rustc_codegen_cranelift/example/alloc_system.rs
+++ b/compiler/rustc_codegen_cranelift/example/alloc_system.rs
@@ -94,7 +94,7 @@ 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)));