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! { dg-do compile }

! This tests the fix for PR28526, in which a public interface named

! 'end' would be treated as a variable because the matcher tried

! 'END INTERFACE' as an assignment and left the symbol modified in

! failing. The various pitfalls that were encountered in developing

! the fix are checked here.

!

! Contributed by Paul Thomas  

!

module blahblah

  public function, end

! The original PR from Yusuke IGUCHI 

  interface end

    module procedure foo1

  end interface

! A contribution to the PR from Tobias Schlueter  

  interface function

     module procedure foo2 ! { dg-error "is neither function nor" }

  end interface

  interface function

     module procedure foo3

  end interface

  interface

    function foo4 ()

      real foo4

      x = 1.0          ! { dg-error "in INTERFACE" }

    end function foo4

  end interface

  interface

    x = 2.0            ! { dg-error "in INTERFACE block" }

    function foo5 ()

      real foo5

    end function foo5

  end interface

  x = 3.0              ! { dg-error "in MODULE" }

contains

  subroutine foo1

  end subroutine foo1

  function foo2        ! { dg-error "Expected formal argument list" }

    foo2 = 0           ! { dg-error "already been host associated" }

  end function foo2    ! { dg-error "Expecting END MODULE" }

  function foo3 ()

    real foo3

  end function foo3

  x = 4.0              ! { dg-error "in CONTAINS section" }

end module blahblah