From b917f4c003cb192f461345b66a9af1a3436b86b1 Mon Sep 17 00:00:00 2001
From: Stephen Kelly <steveire@gmail.com>
Date: Fri, 20 Feb 2015 21:55:19 +0100
Subject: cmAlgorithms: Relax cmRemoveN requirement to FwdIter.

cmRotate already requires only FwdIter.
---
 Source/cmAlgorithms.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Source/cmAlgorithms.h b/Source/cmAlgorithms.h
index f90f105..8790732 100644
--- a/Source/cmAlgorithms.h
+++ b/Source/cmAlgorithms.h
@@ -154,7 +154,9 @@ private:
 template<typename Iter>
 Iter RemoveN(Iter i1, Iter i2, size_t n)
 {
-  return cmRotate(i1, i1 + n, i2);
+  Iter m = i1;
+  std::advance(m, n);
+  return cmRotate(i1, m, i2);
 }
 
 template<typename Range>
-- 
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