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authorbors <bors@rust-lang.org>2025-08-20 17:16:34 +0000
committerbors <bors@rust-lang.org>2025-08-20 17:16:34 +0000
commit040a98af70f0a7da03f3d5356531b28a2a7a77e4 (patch)
tree85c77e585d40a6871b8f9552234f5c784dfca8f0 /library/alloc
parente8a792daf500b5ff8097896ddb6cc037abe92487 (diff)
parent8ea3b093819aabd92a605b42989341da0c97c0d6 (diff)
Auto merge of #144086 - clubby789:alloc-zeroed, r=nikic
Pass `alloc-variant-zeroed` to LLVM

Makes use of https://github.com/llvm/llvm-project/pull/138299 (once we pull in a version of LLVM with this attribute). ~~Unfortunately also requires https://github.com/llvm/llvm-project/pull/149336 to work.~~

Closes rust-lang/rust#104847
Diffstat (limited to 'library/alloc')
-rw-r--r--library/alloc/src/alloc.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/library/alloc/src/alloc.rs b/library/alloc/src/alloc.rs
index c9b98fa4e5a..76630a746dd 100644
--- a/library/alloc/src/alloc.rs
+++ b/library/alloc/src/alloc.rs
@@ -17,6 +17,7 @@ unsafe extern "Rust" {
     #[rustc_allocator]
     #[rustc_nounwind]
     #[rustc_std_internal_symbol]
+    #[rustc_allocator_zeroed_variant = "__rust_alloc_zeroed"]
     fn __rust_alloc(size: usize, align: usize) -> *mut u8;
     #[rustc_deallocator]
     #[rustc_nounwind]