1 files changed, 15 insertions, 5 deletions
diff --git a/include/clang/AST/Comment.h b/include/clang/AST/Comment.h
index c02a82f..28849f5 100644
--- a/include/clang/AST/Comment.h
+++ b/include/clang/AST/Comment.h
@@ -699,7 +699,10 @@ private:
   unsigned ParamIndex;
 
 public:
-  enum { InvalidParamIndex = ~0U };
+  enum LLVM_ENUM_INT_TYPE(unsigned) {
+    InvalidParamIndex = ~0U,
+    VarArgParamIndex = ~0U/*InvalidParamIndex*/ - 1U
+  };
 
   ParamCommandComment(SourceLocation LocBegin,
                       SourceLocation LocEnd,
@@ -755,14 +758,25 @@ public:
     return ParamIndex != InvalidParamIndex;
   }
 
+  bool isVarArgParam() const LLVM_READONLY {
+    return ParamIndex == VarArgParamIndex;
+  }
+
+  void setIsVarArgParam() {
+    ParamIndex = VarArgParamIndex;
+    assert(isParamIndexValid());
+  }
+
   unsigned getParamIndex() const LLVM_READONLY {
     assert(isParamIndexValid());
+    assert(!isVarArgParam());
     return ParamIndex;
   }
 
   void setParamIndex(unsigned Index) {
     ParamIndex = Index;
     assert(isParamIndexValid());
+    assert(!isVarArgParam());
   }
 };
 
@@ -1097,10 +1111,6 @@ public:
     return ThisDeclInfo;
   }
   
-  DeclInfo *getThisDeclInfo() const LLVM_READONLY {
-    return ThisDeclInfo;
-  }
-  
   ArrayRef<BlockContentComment *> getBlocks() const { return Blocks; }
   
 };