[Bug preprocessor/51670] [4.7.0] conflicts with new declaration with 'C++' linkage

[pashev.igor at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51670

--- Comment #4 from Igor Pashev <pashev.igor at gmail dot com> 2011-12-23 
23:49:12 UTC ---
Created attachment 26178
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26178
Diff of test.46 and test.47