2013-02-13 Marc Glisse <marc.glisse@inria.fr>
PR libstdc++/56111
* include/std/complex (complex): Undefine.
* include/c_compatibility/complex.h (complex): Only undefine if
<complex> has been included.
* testsuite/26_numerics/complex/56111.cc: New testcase.
From-SVN: r196034