[boost] [Lockfree] Small compilation error with gcc -Wall

Subject: [boost] [Lockfree] Small compilation error with gcc -Wall
From: Julien Nitard (julien.nitard_at_[hidden])
Date: 2012-03-28 03:03:40

Hi all,

The following code seems to generate an "unused variable" variable
warning with g++ -Wall.
I am working on the latest version available from git, though I am not
sure if this version is relevant.

    #include <boost/lockfree/fifo.hpp>
    typedef boost::lockfree::fifo<ReplicateData,
boost::lockfree::static_freelist_t> Queue;
    Queue _buffer(4096);

It occurs in fifo.hpp at line 263.

Replacing
    tagged_node_ptr head2 = head_.load(memory_order_relaxed);
By
    head_.load(memory_order_relaxed);

Seems to do the job.

Many thanks,

Julien