[Bug preprocessor/32868] Don't warn about redefinitions of __STDC_FORMAT_MACROS

[ian at airs dot com]

------- Comment #2 from ian at airs dot com  2007-11-28 14:29 -------
The C99 standard specifically calls out __STDC_FORMAT_MACROS as a macro which
may be defined before including <inttypes.h>.  Therefore, I believe that
warning about this definition is a bug for both C and C++.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32868