CFG.h: change the iterator tag

Method.h: Add an iterator type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Function.h

@@ -28,6 +28,7 @@ class Method : public SymTabValue {
 public:
   typedef ValueHolder<MethodArgument, Method> ArgumentListType;
   typedef ValueHolder<BasicBlock    , Method> BasicBlocksType;
+  typedef BasicBlocksType::iterator iterator;
 private:
 
   // Important things that make up a method!