! { dg-do run }
!
! PR fortran/56138
!
! Contributed by John Chludzinski, using the code of John Reid
!
implicit none
CHARACTER(LEN=:),ALLOCATABLE :: str 
if (s_to_c("ABCdef") /= "ABCdef" .or. len(s_to_c("ABCdef")) /= 6) STOP 1
str = s_to_c("ABCdef")
if (str /= "ABCdef" .or. len(str) /= 6) STOP 2
str(1:3) = s_to_c("123")
if (str /= "123def" .or. len(str) /= 6) STOP 3

contains

PURE FUNCTION s_to_c(string) 
  CHARACTER(LEN=*),INTENT(IN)   :: string 
  CHARACTER(LEN=:),ALLOCATABLE :: s_to_c 
  s_to_c = string
ENDFUNCTION s_to_c 
end