From: Nick Lewycky <nicholas@mxc.ca>
Date: Sat, 12 Jul 2008 07:00:52 +0000 (+0000)
Subject: operator[] is not defined for list::iterator. Overload it in ilist::iterator
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=066075030ad46b3494480a5f79f05443f947aca7;p=oota-llvm.git

operator[] is not defined for list::iterator. Overload it in ilist::iterator
to prevent silly things from happening accidentally. PR2171


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53507 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/ADT/ilist.h b/include/llvm/ADT/ilist.h
index 8d9bab5caaf..41253e030c5 100644
--- a/include/llvm/ADT/ilist.h
+++ b/include/llvm/ADT/ilist.h
@@ -93,6 +93,10 @@ public:
   typedef typename super::reference reference;
 private:
   pointer NodePtr;
+
+  // operator[] is not defined. Compile error instead of having a runtime bug.
+  void operator[](unsigned) {}
+  void operator[](unsigned) const {}
 public:
 
   ilist_iterator(pointer NP) : NodePtr(NP) {}