1 files changed, 3 insertions, 7 deletions
diff --git a/include/llvm/IR/CFG.h b/include/llvm/IR/CFG.h
index 8476431..f78220a 100644
--- a/include/llvm/IR/CFG.h
+++ b/include/llvm/IR/CFG.h
@@ -121,7 +121,7 @@ public:
   typedef typename super::reference reference;
 
 private:
-  const Term_ Term;
+  Term_ Term;
   unsigned idx;
   typedef SuccIterator<Term_, BB_> Self;
 
@@ -136,6 +136,8 @@ private:
   public:
     explicit SuccessorProxy(const Self &it) : it(it) {}
 
+    SuccessorProxy(const SuccessorProxy&) = default;
+
     SuccessorProxy &operator=(SuccessorProxy r) {
       *this = reference(r);
       return *this;
@@ -165,12 +167,6 @@ public:
       idx = 0;
   }
 
-  inline const Self &operator=(const Self &I) {
-    assert(Term == I.Term &&"Cannot assign iterators to two different blocks!");
-    idx = I.idx;
-    return *this;
-  }
-
   /// getSuccessorIndex - This is used to interface between code that wants to
   /// operate on terminator instructions directly.
   unsigned getSuccessorIndex() const { return idx; }