[clang] [clang] Parse attribute [[gnu::no_stack_protector]] (PR #75289)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Sirui Mu (Lancern)

<details>
<summary>Changes</summary>

This commit adds relative TableGen definitions to parse the `[[gnu::no_stack_protector]]` attribute.

This PR addresses issue #<!-- -->75235.

---
Full diff: https://github.com/llvm/llvm-project/pull/75289.diff


1 Files Affected:

- (modified) clang/include/clang/Basic/Attr.td (+2-1) 


``````````diff
diff --git a/clang/include/clang/Basic/Attr.td b/clang/include/clang/Basic/Attr.td
index 0d94ea2851c9ab..0344fa23e15369 100644
--- a/clang/include/clang/Basic/Attr.td
+++ b/clang/include/clang/Basic/Attr.td
@@ -2212,7 +2212,8 @@ def NotTailCalled : InheritableAttr {
 def : MutualExclusions<[AlwaysInline, NotTailCalled]>;
 
 def NoStackProtector : InheritableAttr {
-  let Spellings = [Clang<"no_stack_protector">, Declspec<"safebuffers">];
+  let Spellings = [Clang<"no_stack_protector">, CXX11<"gnu", "no_stack_protector">,
+                   C23<"gnu", "no_stack_protector">, Declspec<"safebuffers">];
   let Subjects = SubjectList<[Function]>;
   let Documentation = [NoStackProtectorDocs];
   let SimpleHandler = 1;

``````````

</details>


https://github.com/llvm/llvm-project/pull/75289