http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55469
--- Comment #7 from Matthias Krack <matthias.krack at gmail dot com> 2012-11-29 11:12:56 UTC --- I also checked the more complete patch PR5469, but it shows still the memory leaks as described in comment 5 for the 4_7-branch. The same is true for the gcc trunk version.