[Bug libstdc++/50257] [C++0x] unordered_map slow initialization due to huge __prime_list

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50257

--- Comment #4 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-09-01 11:31:42 UTC ---
Created attachment 25158
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25158
Alternate patchlet

Or we can do this, which optimizes 0 too, should be also useful.