1! { dg-do run }
2
3! Test that index vector on lhs of caf-expression works correctly.
4
5program pr81773
6
7  integer, parameter :: ndim = 5
8  integer :: i
9  integer :: vec(ndim) = -1
10  integer :: res(ndim)[*] = [ (i, i=1, ndim) ]
11  type T
12    integer :: padding
13    integer :: dest(ndim)
14    integer :: src(ndim)
15  end type
16
17  type(T) :: dest
18  type(T), allocatable :: caf[:]
19
20  vec([ndim, 3, 1]) = res(1:3)[1]
21  if (any (vec /= [ 3, -1, 2, -1, 1])) stop 1
22
23  dest = T(42, [ ( -1, i = 1, ndim ) ], [ ( i - 2, i = ndim, 1, -1) ] )
24  dest%dest([ 4,3,2 ]) = res(3:5)[1]
25  if (any (dest%dest /= [-1, 5, 4, 3, -1])) stop 2
26
27  vec(:) = -1
28  allocate(caf[*], source = T(42, [ ( -1, i = 1, ndim ) ], [ ( i - 2, i = ndim, 1, -1) ] ))
29  vec([ 5,3,2 ]) = caf[1]%src(2:4)
30  if (any (vec /= [ -1, 0, 1, -1, 2])) stop 3
31end
32
33