[Bug fortran/66089] [7/8 Regression] elemental dependency mishandling when class array are involved

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66089

--- Comment #39 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Author: tkoenig
Date: Sat Mar 16 13:52:19 2019
New Revision: 269724

URL: https://gcc.gnu.org/viewcvs?rev=269724&root=gcc&view=rev
Log:
2019-03-16  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/66089
        Backport from trunk
        * trans-array.c (gfc_scalar_elemental_arg_saved_as_reference):
        Return false if a scalar tempoary is needed.
        (gfc_walk_variable_expr): Fix up class refs.

2019-03-16  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/66089
        Backport from trunk
        * gfortran.dg/dependency_53.f90: New test.
        * gfortran.dg/assumed_type_2.f90: Adapted tree dumps.
        * gfortran.dg/no_arg_check_2.f90: Likewise.


Added:
    branches/gcc-8-branch/gcc/testsuite/gfortran.dg/dependency_53.f90
Modified:
    branches/gcc-8-branch/gcc/fortran/ChangeLog
    branches/gcc-8-branch/gcc/fortran/trans-array.c
    branches/gcc-8-branch/gcc/testsuite/ChangeLog
    branches/gcc-8-branch/gcc/testsuite/gfortran.dg/assumed_type_2.f90
    branches/gcc-8-branch/gcc/testsuite/gfortran.dg/no_arg_check_2.f90