! { dg-do compile } ! { dg-options "-fdump-tree-original" } ! ! PR fortran/37626 ! Contributed by Rich Townsend ! ! The problem was an ICE when trying to deallocate the ! result variable "x_unique". ! function unique_A (x, sorted) result (x_unique) implicit none character(*), dimension(:), intent(in) :: x logical, intent(in), optional :: sorted character(LEN(x)), dimension(:), allocatable :: x_unique logical :: sorted_ character(LEN(x)), dimension(SIZE(x)) :: x_sorted integer :: n_x logical, dimension(SIZE(x)) :: mask integer, external :: b3ss_index ! Set up sorted_ if(PRESENT(sorted)) then sorted_ = sorted else sorted_ = .FALSE. endif ! If necessary, sort x if(sorted_) then x_sorted = x else x_sorted = x(b3ss_index(x)) endif ! Set up the unique array n_x = SIZE(x) mask = (/.TRUE.,x_sorted(2:n_x) /= x_sorted(1:n_x-1)/) allocate(x_unique(COUNT(mask))) x_unique = PACK(x_sorted, MASK=mask) ! Finish return end function unique_A ! { dg-final { scan-tree-dump-times "__builtin_free" 5 "original" } } ! { dg-final { cleanup-tree-dump "original" } }