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From: "b.j.braams at cwi dot nl" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/103757] New: compiler rejects import, {none,all,only},
 does not recognize the keyword
Date: Fri, 17 Dec 2021 10:11:56 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103757

            Bug ID: 103757
           Summary: compiler rejects import, {none,all,only}, does not
                    recognize the keyword
           Product: gcc
           Version: 10.3.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: b.j.braams at cwi dot nl
  Target Milestone: ---

The following code is rejected by gfortran 10.3.1 with an error message "Ca=
nnot
IMPORT =E2=80=98only=E2=80=99 from host scoping unit at (1) - does not exis=
t." Same kind of
message if "import, all" or "import, none" is used. It seems that the compi=
ler
is interpreting "all", "none" or "only" as objects to be imported rather th=
an
as keywords.

module moo
  use iso_fortran_env, only : wp =3D> real64
  implicit none ; private
  public :: foo
contains
  subroutine foo (fun)
    interface
       subroutine fun (x)
         import, only :: wp
         real (kind=3Dwp) :: x
       end subroutine fun
    end interface
    return
  end subroutine foo
end module moo=