[Bug middle-end/59470] [4.8 Regression] libstdc++ miscompilation after r205709

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59470

--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Jakub Jelinek from comment #4)
> (In reply to H.J. Lu from comment #3)
> > I have been tracking 4.8 branch on Linux/i686. I didn't
> > see any libstdc++ failures on Fedora 19 today:
> > 
> > http://gcc.gnu.org/ml/gcc-testresults/2013-12/msg01024.html
> 
> Do you build libstdc++ with -fstack-protector -march=i686 though?

No, I didn't.  How do I enable -fstack-protector for libstdc++?