[Bug c++/57926] Atomic functions broken with C++ but not C?

[amacleod at redhat dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57926

--- Comment #7 from Andrew Macleod <amacleod at redhat dot com> ---
btw, that patch passes bootstrap and a new testcase based on a modified version
of the bug report test.