1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/include/llvm/ADT/iterator.h b/llvm/include/llvm/ADT/iterator.h
index 8f162da1b54..28dcdf9613e 100644
--- a/llvm/include/llvm/ADT/iterator.h
+++ b/llvm/include/llvm/ADT/iterator.h
@@ -165,9 +165,15 @@ public:
     return !static_cast<const DerivedT *>(this)->operator<(RHS);
   }
 
+  PointerT operator->() { return &static_cast<DerivedT *>(this)->operator*(); }
   PointerT operator->() const {
     return &static_cast<const DerivedT *>(this)->operator*();
   }
+  ReferenceProxy operator[](DifferenceTypeT n) {
+    static_assert(IsRandomAccess,
+                  "Subscripting is only defined for random access iterators.");
+    return ReferenceProxy(static_cast<DerivedT *>(this)->operator+(n));
+  }
   ReferenceProxy operator[](DifferenceTypeT n) const {
     static_assert(IsRandomAccess,
                   "Subscripting is only defined for random access iterators.");