1! { dg-do compile } 2! PR 38536 - don't reject substring of length one 3! Original test case by Scot Breitenfeld 4SUBROUTINE test(buf, buf2, buf3, n) 5 USE, INTRINSIC :: ISO_C_BINDING 6 IMPLICIT NONE 7 CHARACTER(LEN=*), INTENT(INOUT), TARGET :: buf 8 INTEGER, INTENT(in) :: n 9 CHARACTER(LEN=*), INTENT(INOUT), DIMENSION(1:2), TARGET :: buf2 10 CHARACTER(LEN=3), TARGET :: buf3 11 TYPE(C_PTR) :: f_ptr 12 13 f_ptr = C_LOC(buf(1:1)) ! Used to fail 14 ! Error: CHARACTER argument 'buf' to 'c_loc' 15 ! at (1) must have a length of 1 16 f_ptr = C_LOC(buf2(1)(1:1)) ! PASSES 17 18 f_ptr = C_LOC(buf(n:n)) 19 20 f_ptr = C_LOC(buf3(3:)) 21END SUBROUTINE test 22