[Bug middle-end/38474] slow compilation at -O0 due to expand's temp slot goo

[matz at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38474

--- Comment #59 from Michael Matz <matz at gcc dot gnu.org> 2012-06-15 15:12:59 
UTC ---
There should be no compile performance problems in expand anymore.
The alias stmt walker as used from IPA remains a problem, though.