[clang] [BoundsSafety] build TypeLoc for CountAttributedType (PR #167287)

[Hans Wennborg via cfe-commits]

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@@ -1303,18 +1304,26 @@ class ObjCInterfaceTypeLoc : public ConcreteTypeLoc<ObjCObjectTypeLoc,
   }
 };
 
-struct BoundsAttributedLocInfo {};
+class Sema;
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zmodem wrote:

nit: Put the forward declaration near the top of the file with the others

https://github.com/llvm/llvm-project/pull/167287