1! { dg-do run }
2! { dg-options "-fdump-tree-original" }
3program main
4  implicit none
5  character(len=4) :: c
6  integer :: i
7  integer :: k1, k2, k3, k4, k11, k22, k33, k44
8
9  k1 = 1
10  k2 = 2
11  k3 = 3
12  k4 = 4
13  k11 = 1
14  k22 = 2
15  k33 = 3
16  k44 = 4
17  c = 'abcd'
18  if (c(2:) /= c(k2:k4)) call abort
19  if (c(k2:k4) /= c(k22:)) call abort
20  if (c(2:3) == c(1:2)) call abort
21  if (c(1:2) == c(2:3)) call abort
22  if (c(k1:) == c(k2:)) call abort
23  if (c(:3) == c(:k4)) call abort
24  if (c(:k4) == c(:3)) call abort
25  if (c(:k3) == c(:k44)) call abort
26end program main
27
28! { dg-final { scan-tree-dump-times "gfortran_compare_string" 6 "original" } }
29! { dg-final { scan-tree-dump-times "__builtin_memcmp" 2 "original" } }
30! { dg-final { cleanup-tree-dump "original" } }
31
32