http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54413
--- Comment #15 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-11-12 09:12:35 UTC --- Ed, N.B. if you use the ChangeLog entry as the svn commit log then the PR number in the log means Bugzilla gets automatically updated with a link to the commit, and you don't need to attach it