http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54795
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2012-10-11 17:54:11 UTC --- (In reply to comment #1) > (In reply to comment #0) > > > It happens at random. > > Maybe --enable-checking=valgrind can help here? I will give it a try.