[Bug libstdc++/50268] [C++0x] bitset doesn't sanitize input

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50268

--- Comment #12 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-09-02 12:08:04 UTC ---
Created attachment 25178
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25178
Work in progress patch for the _M_are_all_aux issue

I'm considering doing something like this: what do you think? Can we tidy
somehow the general case (_Nw > 1)? (patch already passes the existing
bitset::all test)