1! { dg-do compile }
2! PR 45576 - no ICE for missing optional argument
3! Test case supplied by Joost VandeVondele
4SUBROUTINE get_r_val()
5  INTEGER, PARAMETER :: default_string_length=128
6  CHARACTER(len=default_string_length) :: c_val
7  LOGICAL                              :: check
8  check = c_val(LEN_TRIM(c_val):LEN_TRIM(c_val))=="]"
9END SUBROUTINE get_r_val
10