[Bug c++/56530] Bogus warning with -Wsign-conversion (again)

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56530

--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2013-03-05 10:02:10 UTC ---
Mainline and current 4_7-branch are fine. Not sure which patch fixed it.