[clang] Parse attribute [[gnu::no_stack_protector]]

[Lancern]

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

This PR addresses issue #75235.

[llvmbot]

@llvm/pr-subscribers-clang

Author: Sirui Mu (Lancern)

Changes

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 --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;

[inclyc]

The PR contains functional change so please add test & assertions under clang/test