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.