http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46770
--- Comment #85 from Jan Hubicka <hubicka at ucw dot cz> 2012-04-17 21:06:55 UTC --- Just as a quick reminder, the reversed ctor execution order is big performance problem for C++ Apps inlcuding Mozilla and Chrome ;) So whatever we do, I would preffer to not have it by default.