Alberto Griggio <alberto.griggio@xxxxxxxxx> writes: > My OS is Debian GNU/Linux 5.0, compiler is > g++-4.1 (GCC) 4.1.3 20080704 (prerelease) (Debian 4.1.2-25) > platform x86-64 > head_ = new (mem) Link; > If I uncomment the "may_alias" attribute, everything works. There have been a few bugs in the handling of placement new with regard to aliasing. See in particular http://gcc.gnu.org/PR29286 . As far as I know these bugs are fixed in current releases but they are apparently not fixed in the older release you are using. Ian
