re PR fortran/32890 (Compile-time detect of LHS/RHS missmatch for PACK)

fortran/
2009-06-06  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/32890
        * intrinsic.h (gfc_simplify_pack): New prototype.
        * intrinsic.c (add_functions): Added simplifier-callback to PACK.
        * simplify.c (is_constant_array_expr): Moved to beginning of file.
        (gfc_simplify_pack): New.
        * check.c (gfc_check_pack): Check that VECTOR has enough elements.
        Added safeguards for empty arrays.

testsuite/
2009-06-06  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/32890
        * gfortran.dg/pack_assign_1.f90: New.
        * gfortran.dg/pack_vector_1.f90: New.

From-SVN: r148237