http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14179
--- Comment #63 from Jan Hubicka <hubicka at ucw dot cz> 2012-01-14 14:18:27 UTC --- > Making the change to convert_to_integer mentioned in 12245 reduces VM size to > 1509M; there's another 190M of garbage from cp_parser_initializer_list, but > that still doesn't account for all the increase in VM size. --enable-gather-detailed-mem-stats dump should pinpoint this quite easilly... Honza