about summary refs log tree commit diff
path: root/library/alloc/src
diff options
context:
space:
mode:
Diffstat (limited to 'library/alloc/src')
-rw-r--r--library/alloc/src/alloc.rs5
1 files changed, 4 insertions, 1 deletions
diff --git a/library/alloc/src/alloc.rs b/library/alloc/src/alloc.rs
index efdc86bf57a..cc8da7bccff 100644
--- a/library/alloc/src/alloc.rs
+++ b/library/alloc/src/alloc.rs
@@ -25,15 +25,18 @@ extern "Rust" {
     // (the code expanding that attribute macro generates those functions), or to call
     // the default implementations in libstd (`__rdl_alloc` etc. in `library/std/src/alloc.rs`)
     // otherwise.
-    // The rustc fork of LLVM also special-cases these function names to be able to optimize them
+    // The rustc fork of LLVM 14 and earlier also special-cases these function names to be able to optimize them
     // like `malloc`, `realloc`, and `free`, respectively.
     #[rustc_allocator]
     #[rustc_allocator_nounwind]
     fn __rust_alloc(size: usize, align: usize) -> *mut u8;
+    #[cfg_attr(not(bootstrap), rustc_deallocator)]
     #[rustc_allocator_nounwind]
     fn __rust_dealloc(ptr: *mut u8, size: usize, align: usize);
+    #[cfg_attr(not(bootstrap), rustc_reallocator)]
     #[rustc_allocator_nounwind]
     fn __rust_realloc(ptr: *mut u8, old_size: usize, align: usize, new_size: usize) -> *mut u8;
+    #[cfg_attr(not(bootstrap), rustc_allocator_zeroed)]
     #[rustc_allocator_nounwind]
     fn __rust_alloc_zeroed(size: usize, align: usize) -> *mut u8;
 }