Introduce -finline-arg-packing.

Introduce -finline-arg-packing.

2019-12-20  Thomas Koenig  <tkoenig@gcc.gnu.org>

    PR middle-end/91512
    PR fortran/92738
    * invoke.texi: Document -finline-arg-packing.
    * lang.opt: Add -finline-arg-packing.
    * options.c (gfc_post_options): Handle -finline-arg-packing.
    * trans-array.c (gfc_conv_array_parameter): Use
    flag_inline_arg_packing instead of checking for optimize and
    optimize_size.

2019-12-20  Thomas Koenig  <tkoenig@gcc.gnu.org>

    PR middle-end/91512
    PR fortran/92738
    * gfortran.dg/inline_pack_25.f90: New test.

From-SVN: r279639