2010-01-08  Tobias Burnus  <burnus@net-b.de

        PR/fortran 25829
        * symbol.c (check_conflict, gfc_copy_attr): Add
        ASYNCHRONOUS support.
        (gfc_add_asynchronous): New function.
        * decl.c (match_attr_spec): Add ASYNCHRONOUS support.
        (gfc_match_asynchronous): New function.
        * dump-parse-tree.c (show_attr): Add ASYNCHRONOUS support.
        * gfortran.h (symbol_attribute): New ASYNCHRONOUS bit.
        (gfc_add_asynchronous): New Prototype.
        * module.c (ab_attribute, mio_symbol_attribute): Add
        ASYNCHRONOUS support.
        * resolve.c (was_declared): Ditto.
        * match.h (gfc_match_asynchronous): New prototype.
        * parse.c (decode_specification_statement,decode_statement):
        Add ASYNCHRONOUS support.

2010-01-08  Tobias Burnus  <burnus@net-b.de

        PR/fortran 25829
        * gfortran.dg/asynchronous_1.f90: New test.
        * gfortran.dg/asynchronous_2.f90: New test.
        * gfortran.dg/conflicts.f90: Update error message.

From-SVN: r155732