http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50074
--- Comment #8 from Yukhin Kirill <kirill.yukhin at intel dot com> 2011-08-16 08:48:21 UTC --- Hi, I agree, this is a performance regression. Fix to tail-call optimization made it very conservative. By using some additional tweaks, we may relax it. However, my fix cured a stability problem (see, 49519 for details).
