http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54967
--- Comment #4 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2012-10-18 19:01:34 UTC --- The ICE appears at revision 192538 and requires gcc to be configured with --enable-checking=yes (default). I don't see it for gcc configured with --enable-checking=release.