[Bug libstdc++/11706] std::pow(T, int) implementation pessimizes code

[pinskia at gcc dot gnu dot org]

-- 
Bug 11706 depends on bug 11710, which changed state.

Bug 11710 Summary: loop optimizer cannot figure out # iterations for shift and / * "increments"
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11710

           What    |Old Value                   |New Value
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11706