1! { dg-do compile }
2! { dg-options "-fdump-tree-original" }
3! PR 34145 - the length of the string should be simplified to one,
4! no library call for string comparison is necessary.
5program main
6  character (len=5) :: c
7  integer(kind=8) :: i
8  i = 3
9  c(i:i) = 'a'
10  c(i+1:i+1) = 'b'
11  if (c(i:i) /= 'a') call abort ()
12  if (c(i+1:i+1) /= 'b') call abort ()
13end program main
14! { dg-final { scan-tree-dump-times "gfortran_compare_string" 0 "original" } }
15