http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56772
--- Comment #2 from meng at g dot clemson.edu 2013-03-29 00:45:23 UTC --- (In reply to comment #1) > I see a sorry message thus the issue seems known. I agree. What confused me was that the feature is not unimplemented, it worked well for ordinary functions. I wonder what makes function templates a special exception in this case.