[Bug libstdc++/57212] Don't use pe-coff weak support with mingw

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57212

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |ktietz at gcc dot gnu.org
           Severity|major                       |normal

--- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> 2013-05-08 
14:04:47 UTC ---
CC-ing Kai.