Implement operator= for SuccIterators

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4055 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 0 deletions

diff --git a/include/llvm/Support/CFG.h b/include/llvm/Support/CFG.h
index e38295ce8b..0e48ef506a 100644
--- a/include/llvm/Support/CFG.h
+++ b/include/llvm/Support/CFG.h
@@ -100,6 +100,11 @@ public:
     : Term(T), idx(Term->getNumSuccessors()) {
     assert(T && "getTerminator returned null!");
   }
+
+  inline const _Self &operator=(const _Self &I) {
+    assert(Term == I.Term &&"Cannot assign iterators to two different blocks!");
+    idx = I.idx;
+  }
     
   inline bool operator==(const _Self& x) const { return idx == x.idx; }
   inline bool operator!=(const _Self& x) const { return !operator==(x); }