http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54632
--- Comment #10 from Dmitry G. Dyachenko <dimhen at gmail dot com> 2012-09-24 09:46:12 UTC --- for me testcase FAIl with -O2 -flto --param ggc-min-heapsize=0 and OK with -O3 -flto --param ggc-min-expand=0