diff options
Diffstat (limited to 'library/alloc/src/alloc.rs')
| -rw-r--r-- | library/alloc/src/alloc.rs | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/library/alloc/src/alloc.rs b/library/alloc/src/alloc.rs index e1cc4ba25c4..b4176e9c1f4 100644 --- a/library/alloc/src/alloc.rs +++ b/library/alloc/src/alloc.rs @@ -31,8 +31,9 @@ unsafe extern "Rust" { #[rustc_std_internal_symbol] fn __rust_alloc_zeroed(size: usize, align: usize) -> *mut u8; + #[rustc_nounwind] #[rustc_std_internal_symbol] - static __rust_no_alloc_shim_is_unstable: u8; + fn __rust_no_alloc_shim_is_unstable_v2(); } /// The global memory allocator. @@ -88,7 +89,7 @@ pub unsafe fn alloc(layout: Layout) -> *mut u8 { unsafe { // Make sure we don't accidentally allow omitting the allocator shim in // stable code until it is actually stabilized. - core::ptr::read_volatile(&__rust_no_alloc_shim_is_unstable); + __rust_no_alloc_shim_is_unstable_v2(); __rust_alloc(layout.size(), layout.align()) } @@ -171,7 +172,7 @@ pub unsafe fn alloc_zeroed(layout: Layout) -> *mut u8 { unsafe { // Make sure we don't accidentally allow omitting the allocator shim in // stable code until it is actually stabilized. - core::ptr::read_volatile(&__rust_no_alloc_shim_is_unstable); + __rust_no_alloc_shim_is_unstable_v2(); __rust_alloc_zeroed(layout.size(), layout.align()) } |