http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52855
--- Comment #3 from Mikael Pettersson <mikpe at it dot uu.se> 2012-10-27 13:26:47 UTC --- The ICE is fixed by the patch for PR50099. See especially http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50099#c6 which shows the same ICE in Perl as shown here. Therefore I think this is a dup of PR50099.