2011-08-23  Tobias Burnus  <burnus@net-b.de>

        PR fortran/31600
        * symbol.c (gfc_add_type): Better diagnostic if redefining
        use-associated symbol.
        * module.c (gfc_use_module): Use module name as locus.

2011-08-23  Tobias Burnus  <burnus@net-b.de>

        PR fortran/31600
        * gfortran.dg/use_16.f90: New.

From-SVN: r177985