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From: "anlauf at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/106948] pure subroutine with pure procedure as dummy
Date: Thu, 15 Sep 2022 18:44:35 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106948

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2022-09-15
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1

--- Comment #1 from anlauf at gcc dot gnu.org ---
Confirmed.

Likely a problem due to use of submodules.  A simplified, but otherwise
equivalent version, such as below, works:

module a
  implicit none

  interface new
     module procedure :: b
  end interface new

contains
  subroutine b(x, f)
    integer, intent(inout) :: x
    interface
       pure function f(x) result(r)
         real, intent(in) :: x
         real :: r
       end function f
    end interface
    x =3D int(f(real(x)) * 0.1)
  end subroutine b
end module a=