http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47700
--- Comment #5 from Olaf van der Spek <olafvdspek at gmail dot com> 2011-02-11 17:18:05 UTC --- I don't get why it's listed on that page. IMO it should be at http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#Warning-Options Why isn't it included in -Wall -Wextra -pedantic?