[Bug libstdc++/54861] std::atomic_signal_fence(std::memory_order_seq_cst) issues unnecessary mfence

[amacleod at redhat dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54861

Andrew Macleod <amacleod at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2012-10-09
         AssignedTo|unassigned at gcc dot       |amacleod at redhat dot com
                   |gnu.org                     |
     Ever Confirmed|0                           |1

--- Comment #1 from Andrew Macleod <amacleod at redhat dot com> 2012-10-09 18:34:08 UTC ---
Created attachment 28402
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28402
patch to resolve the problem

Just a typo in the header file where __atomic_thread_fence() built-in was being
called instead of the __atomic_signal_fence() built-in function.