[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 #4 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> 2012-08-15 11:37:51 UTC ---
(In reply to comment #2)
> Well, that's ENABLE_CHECKING code.  Are you sure 4.7 built with
> --enable-checking=yes does not exhibit this behavior?

it looks like --enable-checking is key. --enable-checking=no leads to about
1Gb, while --enable-checking=yes leads to about 10Gb mem usage.