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Rollup merge of #127483 - BertalanD:no_sanitize-global-var, r=rcvalle

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Allow disabling ASan instrumentation for globals

AddressSanitizer adds instrumentation to global variables unless the [`no_sanitize_address`](https://llvm.org/docs/LangRef.html#global-attributes) attribute is set on them.

This commit extends the existing `#[no_sanitize(address)]` attribute to set this; previously it only had the desired effect on functions.

(cc https://github.com/rust-lang/rust/issues/39699)
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许杰友 Jieyou Xu (Joe) 2024-11-23 20:19:51 +08:00 • committed by GitHub
commit c6d36256a6
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10 changed files with 137 additions and 34 deletions
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3
compiler/rustc_codegen_llvm/src/llvm/ffi.rs
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@ -2460,4 +2460,7 @@ unsafe extern "C" {
pub fn LLVMRustIs64BitSymbolicFile(buf_ptr: *const u8, buf_len: usize) -> bool;
pub fn LLVMRustIsECObject(buf_ptr: *const u8, buf_len: usize) -> bool;
pub fn LLVMRustSetNoSanitizeAddress(Global: &Value);
pub fn LLVMRustSetNoSanitizeHWAddress(Global: &Value);
}