http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36150
--- Comment #15 from Manuel López-Ibáñez <manu at gcc dot gnu.org> 2011-03-16 14:41:50 UTC --- More users trying to get this feature by parsing the output of GCC (which is not meant to be machine-readable): http://www.mixtion.org/gccfilter/