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

[Aaron Ballman via cfe-commits]

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@@ -1303,18 +1305,25 @@ class ObjCInterfaceTypeLoc : public ConcreteTypeLoc<ObjCObjectTypeLoc,
   }
 };
 
-struct BoundsAttributedLocInfo {};
+struct BoundsAttributedLocInfo {
+  SourceRange Range;
+};
 class BoundsAttributedTypeLoc
     : public ConcreteTypeLoc<UnqualTypeLoc, BoundsAttributedTypeLoc,
                              BoundsAttributedType, BoundsAttributedLocInfo> {
 public:
   TypeLoc getInnerLoc() const { return getInnerTypeLoc(); }
   QualType getInnerType() const { return getTypePtr()->desugar(); }
   void initializeLocal(ASTContext &Context, SourceLocation Loc) {
-    // nothing to do
+    setAttrRange({Loc, Loc});
   }
-  // LocalData is empty and TypeLocBuilder doesn't handle DataSize 1.
-  unsigned getLocalDataSize() const { return 0; }
+  void setAttrRange(SourceRange Range) { getLocalData()->Range = Range; }
+  SourceRange getAttrRange() const { return getLocalData()->Range; }
+
+  StringRef getAttrNameAsWritten(Sema &S) const;
+  SourceRange getAttrNameRange(Sema &S) const;
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AaronBallman wrote:

These APIs are problematic due to layering.

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