[Bug rtl-optimization/54269] [4.8 Regression] memory usage too large when optimizing

[Joost.VandeVondele at mat dot ethz.ch]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54269

--- Comment #5 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> 
2012-08-16 05:29:46 UTC ---
4.7 configured with --enable-checking=yes also needs < 1.0Gb.

for a checking enable compiler, time went from 25s with 4.7 to 1m27s with 4.8