[Bug libstdc++/51798] [4.7 regression] libstdc++ atomicity performance regression due to __sync_fetch_and_add

[bkoz at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51798
Benjamin Kosnik <bkoz at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |bkoz at gcc dot gnu.org

--- Comment #23 from Benjamin Kosnik <bkoz at gcc dot gnu.org> 2012-01-27 
19:10:49 UTC ---

Jakub, your patch is exactly correct. If your testing succeeds, please check it
in.

Furthermore, I agree with your comment #11. I'm on it.