[cxx2a] Fix warning triggered by r343285

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@343369 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/AST/DeclBase.h b/include/clang/AST/DeclBase.h
index 23870400a321b10633899d0b8b03369e4262578c..9c245f4e70346c19541fa8ae9e0de6df5374bfe6 100644 (file)
--- a/include/clang/AST/DeclBase.h
+++ b/include/clang/AST/DeclBase.h
@@ -1212,7 +1212,6 @@ public:
     value_type SingleElement;
 
   public:
-    iterator() = default;
     explicit iterator(pointer Pos, value_type Single = nullptr)
         : IteratorBase(Pos), SingleElement(Single) {}