[Bug libstdc++/46914] std::atomic<int*>::exchange(...) doesn't store correct value.

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46914

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-01-27 15:06:17 UTC ---
as requested in the bug reporting guidelines, please provide the output of 'gcc
-v' (not just gcc --version) so we can see how your compiler was configured

I know the Debian gcc packages default to -march=i486 but I don't know about
Ubuntu