re PR fortran/30520 (Conflics checking of VOLATILE attribute needs improvement)

re PR fortran/30520 (Conflics checking of VOLATILE attribute needs improvement)

fortran/
2007-01-31  Tobias Burnus  <burnus@net-b.de>

       PR fortran/30520
       * interface.c (compare_actual_formal): Check conformance between
         actual and VOLATILE dummy arguments.
       * symbol.c (gfc_add_volatile): Allow setting of VOLATILE
         multiple times in different scopes.
       * decl.c (gfc_match_volatile): Search symbol in host association.

testsuite/
2007-01-31  Tobias Burnus  <burnus@net-b.de>

       PR fortran/30520
       * gfortran.dg/volatile8.f90: New argument conformance test.
       * gfortran.dg/volatile9.f90: New scope test.

From-SVN: r121379