http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60743
--- Comment #1 from Bernd Edlinger <bernd.edlinger at hotmail dot de> --- current snapshot gcc-4.9-20140330, trunk revision 208948 uses 773 MB peak memory. last week's snapshot gcc-4.9-20140323, trunk revision 208775 used only 417 MB peak memory, which did not cause problems.