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From: "jeff.science at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/66409] Reporting ambiguous interface when overloading
 assignment with polymorphic array
Date: Fri, 07 Oct 2022 13:55:24 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D66409

--- Comment #2 from Jeff Hammond <jeff.science at gmail dot com> ---
Is this ever going to be fixed?  I observe that a similar MCVE (below) is
compiled without complaint by Intel, Cray and NAG Fortran, so it's almost
certainly a lack of support for the standard in GCC.

As best I can, it is impossible to overload an interface when one of the
specific interfaces involves type(*), dimension(..), which makes it impossi=
ble
for me to implement MPI-3 F08 support.

My MCVE:

module f
    implicit none

    interface test
        module procedure test_f08
        module procedure test_f08ts
    end interface test

    contains

        subroutine test_f08(buf)
            integer :: buf
        end subroutine test_f08

        subroutine test_f08ts(buffer)
            type(*), dimension(..), intent(inout) :: buffer
        end subroutine test_f08ts

end module f=