[clang] [Clang] Add template argument support for {con,de}structor attributes. (PR #151400)

[via cfe-commits]

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@@ -2152,29 +2152,44 @@ static void handleUnusedAttr(Sema &S, Decl *D, const ParsedAttr &AL) {
   D->addAttr(::new (S.Context) UnusedAttr(S.Context, AL));
 }
 
+static std::optional<Expr *> sharedGetConstructorDestructorAttrExpr(Sema &S, const ParsedAttr &AL) {
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Sirraide wrote:

We generally don’t use `std::optional` with AST nodes; just return `nullptr` instead.

https://github.com/llvm/llvm-project/pull/151400