1! { dg-do compile }
2! { dg-options "-std=f95" }
3!
4! PR fortran/34796
5!
6! This checks for Fortran 2003 extensions.
7!
8! Argument checks:
9! - elements of deferred-shape arrays (= non-dummies) are allowed
10!   as the memory is contiguous
11! - while assumed-shape arrays (= dummy arguments) and pointers are
12!   not (strides can make them non-contiguous)
13! and
14! - if the memory is non-contigous, character arguments have as
15!   storage size only the size of the element itself, check for
16!   too short actual arguments.
17!
18subroutine test2(assumed_sh_dummy, pointer_dummy)
19implicit none
20interface
21  subroutine rlv2(y)
22    character   :: y(3)
23  end subroutine rlv2
24end interface
25
26character(3)          :: assumed_sh_dummy(:,:,:)
27character(3), pointer :: pointer_dummy(:,:,:)
28
29character(3), allocatable :: deferred(:,:,:)
30character(3), pointer     :: ptr(:,:,:)
31call rlv2(deferred(1,1,1))         ! Valid since contiguous
32call rlv2(ptr(1,1,1))              ! { dg-error "Fortran 2003: Scalar CHARACTER actual" }
33call rlv2(assumed_sh_dummy(1,1,1)) ! { dg-error "Fortran 2003: Scalar CHARACTER actual" }
34call rlv2(pointer_dummy(1,1,1))    ! { dg-error "Fortran 2003: Scalar CHARACTER actual" }
35
36! The following is kind of ok: The memory access it valid
37! We warn nonetheless as the result is not what is intented
38! and also formally wrong.
39! Using (1:string_length) would be ok.
40call rlv2(deferred(1,1,1)(1:3))         ! OK
41call rlv2(ptr(1,1,1)(1:1))              ! { dg-error "Fortran 2003: Scalar CHARACTER actual" }
42call rlv2(assumed_sh_dummy(1,1,1)(1:2)) ! { dg-error "Fortran 2003: Scalar CHARACTER actual" }
43call rlv2(pointer_dummy(1,1,1)(1:3))    ! { dg-error "Fortran 2003: Scalar CHARACTER actual" }
44end
45
46subroutine test3(assumed_sh_dummy, pointer_dummy)
47implicit none
48interface
49  subroutine rlv3(y)
50    character   :: y(2)
51  end subroutine rlv3
52end interface
53
54character(2)          :: assumed_sh_dummy(:,:,:)
55character(2), pointer :: pointer_dummy(:,:,:)
56
57character(2), allocatable :: deferred(:,:,:)
58character(2), pointer     :: ptr(:,:,:)
59call rlv3(deferred(1,1,1))         ! Valid since contiguous
60call rlv3(ptr(1,1,1))              ! { dg-error "Fortran 2003: Scalar CHARACTER actual" }
61call rlv3(assumed_sh_dummy(1,1,1)) ! { dg-error "Fortran 2003: Scalar CHARACTER actual" }
62call rlv3(pointer_dummy(1,1,1))    ! { dg-error "Fortran 2003: Scalar CHARACTER actual" }
63
64call rlv3(deferred(1,1,1)(1:2))         ! Valid since contiguous
65call rlv3(ptr(1,1,1)(1:2))              ! { dg-error "Fortran 2003: Scalar CHARACTER actual" }
66call rlv3(assumed_sh_dummy(1,1,1)(1:2)) ! { dg-error "Fortran 2003: Scalar CHARACTER actual" }
67call rlv3(pointer_dummy(1,1,1)(1:2))    ! { dg-error "Fortran 2003: Scalar CHARACTER actual" }
68end
69