[Bug libstdc++/11196] _GNU_SOURCE vs. M_PI

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=11196

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |zhouyan at me dot com

--- Comment #15 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
*** Bug 78920 has been marked as a duplicate of this bug. ***