http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55907
--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2013-01-25 17:12:52 UTC --- Revision 183136 (2012-01-12) is OK; revision 183306 (2012-01-19) gives the ICE. This is due to a change made on 4.7 and backported to 4.6.
