From e824ddb35b856860a3c723738e8044b9d5bef9b1 Mon Sep 17 00:00:00 2001
From: jzmaddock <john@johnmaddock.co.uk>
Date: Fri, 23 Oct 2015 13:27:01 +0100
Subject: [PATCH] Remove redundant check and make it an assert.

---
 include/boost/regex/v4/fileiter.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/boost/regex/v4/fileiter.hpp b/include/boost/regex/v4/fileiter.hpp
index 4873a0a8..256a7e46 100644
--- a/include/boost/regex/v4/fileiter.hpp
+++ b/include/boost/regex/v4/fileiter.hpp
@@ -225,11 +225,11 @@ public:
    mapfile_iterator() { node = 0; file = 0; offset = 0; }
    mapfile_iterator(const mapfile* f, long arg_position)
    {
+      BOOST_ASSERT(f);
       file = f;
       node = f->_first + arg_position / mapfile::buf_size;
       offset = arg_position % mapfile::buf_size;
-      if(file)
-         file->lock(node);
+      file->lock(node);
    }
    mapfile_iterator(const mapfile_iterator& i)
    {