[Bug preprocessor/53229] Fix diagnostics location when pasting tokens

[dodji at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53229

--- Comment #1 from Dodji Seketeli <dodji at gcc dot gnu.org> 2012-05-15 
11:19:12 UTC ---
A patch for this has been proposed at
http://gcc.gnu.org/ml/gcc-patches/2012-05/msg01004.html