http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58859
--- Comment #1 from meng at g dot clemson.edu --- made a typo just now. "and g++-4.8.0 with c++11 flag, " should read "and g++-4.8.0 without c++11 flag, " i.e., the problem only happens when c++11 is enabled with g++-4.8.0.