how to use GC as a leak detector? i.e. get some help info from GC?

[nobody]

== Quote from Jason House (jason.james.house at gmail.com)'s article
> Why not use valgrind? With the GC disabled, it should give accurate results.

Strange enough, indeed I have tried valgrind with the GC disabled version.  It
didn't report anything useful.

That's why I'm puzzled, does D's GC do something special?

The GC disabled version run out of 3G memory; but the GC enabled version stays at
~800M throughout the run.