Wireshark bug report has the gory details thanks a7x also see: https://bugs.gentoo.org/show_bug.cgi?id=133092 https://bugs.gentoo.org/show_bug.cgi?id=145974
I think this is related - nested blocks of various kinds seem to cause trouble.
here's yet another reason to ditch gcc-3.x with hardened ... we arent going to fix it
closing as stated.