http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53880
--- Comment #11 from stevenb.gcc at gmail dot com <stevenb.gcc at gmail dot com> 2012-07-24 09:41:18 UTC --- > Err, isn't the GTY annotation in > > as y1. x0 is the spelling location for the argument token "1", > and x2 is the spelling location for the argument token "2". */ > source_location * GTY((length ("2 * %h.n_tokens"))) macro_locations; > > simply pointless? I don't think so. You still want to pointer-rewrite it if you output a PCH.