[Bug libstdc++/13450] [3.3 Regression] std::pow(std::complex<double>(-1.,0.),0.5) yields (NaN,0)

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.0.0                       |3.4.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13450