================
@@ -4774,3 +4774,9 @@ def ArithmeticFence : LangBuiltin<"ALL_LANGUAGES"> {
let Attributes = [CustomTypeChecking, Constexpr];
let Prototype = "void(...)";
}
+
+def GetCountedBy : Builtin {
+ let Spellings = ["__builtin_get_counted_by"];
+ let Attributes = [NoThrow];
+ let Prototype = "size_t*(void*)";
----------------
Sirraide wrote:
I’m a bit worried about the `size_t*` return type not necessarily being all
that accurate (as you point out somewhere). I feel like we might want to mark
this as `CustomTypeChecking` and handle it accordingly in Sema. That should
also allow us to issue a better diagnostic if the argument does not reference a
flexible array member.
https://github.com/llvm/llvm-project/pull/102549
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