1! PR 19928.  Check the use of constant substring indexes in a
2! scalarization loop.
3! { dg-do run }
4program main
5  implicit none
6  character (len = 5), dimension (2) :: a
7  character (len = 3), dimension (2) :: b
8  a = (/ 'abcde', 'ghijk' /)
9  b = a(:)(2:4)
10  if (b(1) .ne. 'bcd' .or. b(2) .ne. 'hij') call abort
11end program main
12