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! { dg-do compile }
! { dg-options "-fwhole-file" }
!
! Tests the fix for PR25087, in which the following invalid code
! was not detected.
!
! Contributed by Joost VandeVondele <jv244@cam.ac.uk>
!
! Modified by Tobias Burnus to fix PR fortran/41235.
!
FUNCTION a()
CHARACTER(len=10) :: a
a = ''
END FUNCTION a
SUBROUTINE s(n)
CHARACTER(LEN=n), EXTERNAL :: a ! { dg-error "must have an explicit interface" }
CHARACTER(LEN=n), EXTERNAL :: d ! { dg-error "must have an explicit interface" }
interface
function b (m) ! This is OK
CHARACTER(LEN=m) :: b
integer :: m
end function b
end interface
write(6,*) a()
write(6,*) b(n)
write(6,*) c()
write(6,*) d()
contains
function c () ! This is OK
CHARACTER(LEN=n):: c
c = ""
end function c
END SUBROUTINE s
FUNCTION d()
CHARACTER(len=99) :: d
d = ''
END FUNCTION d
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