[patch, fortran] Fix the rest of PR 59345

[Thomas Koenig]

Hello world,

this patch fixes the rest of the PR by making sure we do not
pack/unpack for function results which are either allocatable
or explicit shape arrays.

Regression-tested. OK for trunk?

Regards

	Thomas

2019-01-12  Thomas Koenig  <tkoenig@gcc.gnu.org>

         PR fortran/59345
         * trans-array.c (gfc_conv_array_parameter): Remove TODO.  Do not
         pack/unpack results of functions which return an explicit-shaped
         or allocatable array.

2019-01-12  Thomas Koenig  <tkoenig@gcc.gnu.org>

         PR fortran/59345
         * gfortran.dg/internal_pack_17.f90: New test.
         * gfortran.dg/alloc_comp_auto_array_3.f90: Adjust number of calls
         to builtin_free.
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