1! { dg-do run }
2! { dg-options "-fbounds-check" }
3! Check that empty arrays are handled correctly in
4! cshift and eoshift
5program main
6  character(len=50) :: line
7  character(len=3), dimension(2,2) :: a, b
8  integer :: n1, n2
9  line = '-1-2'
10  read (line,'(2I2)') n1, n2
11  call foo(a, b, n1, n2)
12  a = 'abc'
13  write (line,'(4A)') eoshift(a, 3)
14  write (line,'(4A)') cshift(a, 3)
15  write (line,'(4A)') cshift(a(:,1:n1), 3)
16  write (line,'(4A)') eoshift(a(1:n2,:), 3)
17end program main
18
19subroutine foo(a, b, n1, n2)
20  character(len=3), dimension(2, n1) :: a
21  character(len=3), dimension(n2, 2) :: b
22  a = cshift(b,1)
23  a = eoshift(b,1)
24end subroutine foo
25