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! { dg-do compile }

! Tests the patch for PRs 25084, 20852, 25085 and 25086, all of

! which involve assumed character length functions.

! This test checks the things that should not emit errors.

!

! Contributed by Paul Thomas  

!

function is_OK (ch)                ! { dg-warning "is obsolescent in fortran 95" }

  character(*) is_OK, ch           ! OK in an external function

  is_OK = ch

end function is_OK

! The warning occurs twice for the next line; for 'more_OK' and for 'fcn';

function more_OK (ch, fcn)         ! { dg-warning "is obsolescent in fortran 95" }

  character(*) more_OK, ch

  character (*), external :: fcn   ! OK as a dummy argument

  more_OK = fcn (ch)

end function more_OK

  character(4) :: answer

  character(4), external :: is_OK, more_OK

  answer = is_OK ("isOK")          ! LEN defined in calling scope

  print *, answer

  answer = more_OK ("okay", is_OK) ! Actual arg has defined LEN

  print *, answer

  answer = also_OK ("OKOK")

  print *, answer

contains

  function also_OK (ch)

    character(4) also_OK

    character(*) ch

    also_OK = is_OK (ch)            ! LEN obtained by host association

  end function also_OK

END