[clang] [BoundsSafety] Support late parsing for `counted_by` in type positions (PR #166491)

[Hans Wennborg via cfe-commits]

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@@ -2325,13 +2328,16 @@ class Declarator {
   /// This function takes attrs by R-Value reference because it takes ownership
   /// of those attributes from the parameter.
   void AddTypeInfo(const DeclaratorChunk &TI, ParsedAttributes &&attrs,
-                   SourceLocation EndLoc) {
+                   SourceLocation EndLoc,
+                   const DeclaratorChunk::LateAttrListTy &LateAttrs = {}) {
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zmodem wrote:

How about `ArrayRef`? It has the benefit of not needing the `N`, and an empty ArrayRef can be used as default argument. On the other hand, since the type is abstracted behind the typedef, maybe this doesn't matter.

https://github.com/llvm/llvm-project/pull/166491