http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38474
--- Comment #62 from Michael Matz <matz at gcc dot gnu.org> 2012-06-26 14:44:58 UTC --- (In reply to comment #61) > (In reply to comment #57) > > Anyway, on the machine where are debugged this, compilation at -O3 > took over 16 seconds which dropped to about 13.5 seconds when I also What? Must be a future machine. On everything I have access to the reduced testcase (6309 lines) takes about 800 to 1000 seconds. Do you build without any checking? In any case, the proposed patch does reduce the time to basically nothing for the alias tree walker, so: thanks :)
