[Bug preprocessor/55602] Does not generate Error message for redefined macros

[guojiufu at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55602



--- Comment #3 from Jeff Guo <guojiufu at gmail dot com> 2012-12-10 11:59:07 
UTC ---

Above case is still no error message reported even with -pedantic-errors