Index: include/llvm/IR/BasicBlock.h
===================================================================
--- include/llvm/IR/BasicBlock.h
+++ include/llvm/IR/BasicBlock.h
@@ -287,7 +287,6 @@
 
     PHINodeT &operator*() const { return *PN; }
 
-    using phi_iterator_impl::iterator_facade_base::operator++;
     phi_iterator_impl &operator++() {
       assert(PN && "Cannot increment the end iterator!");
       PN = dyn_cast<PHINodeT>(std::next(BBIteratorT(PN)));