On Thu, Jun 26, 2008 at 4:53 AM, Maik Beckmann <beckmann.maik@xxxxxxxxxxxxxx> wrote: ... > All I wait for filing a bug report is someone out there saying that vanilla > gcc-4.3.1 on his/her debian/ubuntu/redhat/fedora x86-64 (aka. amd64) box > causes the same segfault with -O3 on the code I posted. While you're waiting, try reinstalling gcc-4.3.1 by following EXACTLY the installation instructions found here: http://gcc.gnu.org/install/configure.html Do NOT use a script, and make sure your build directory is NOT in or under the gcc source tree. -Tom