! Related to PR 15326. Try calling string functions whose lengths involve
! some sort of array calculation.
! { dg-do run }
pure elemental function double (x)
integer, intent (in) :: x
integer :: double
double = x * 2
end function double
program main
implicit none
interface
pure elemental function double (x)
integer, intent (in) :: x
integer :: double
end function double
end interface
integer, dimension (100:104), target :: a
integer, dimension (:), pointer :: ap
integer :: i, lower
a = (/ (i + 5, i = 0, 4) /)
ap => a
lower = 11
call test (f1 (a), 35)
call test (f1 (ap), 35)
call test (f1 ((/ 5, 10, 50 /)), 65)
call test (f1 (a (101:103)), 21)
call test (f2 (a), 115)
call test (f2 (ap), 115)
call test (f2 ((/ 5, 10, 50 /)), 119)
call test (f2 (a (101:103)), 116)
call test (f3 (a), 60)
call test (f3 (ap), 60)
call test (f3 ((/ 5, 10, 50 /)), 120)
call test (f3 (a (101:103)), 30)
call test (f4 (a, 13, 1), 21)
call test (f4 (ap, 13, 2), 14)
call test (f4 ((/ 5, 10, 50 /), 12, 1), 60)
call test (f4 (a (101:103), 12, 1), 15)
contains
function f1 (array)
integer, dimension (10:) :: array
character (len = sum (array)) :: f1
f1 = ''
end function f1
function f2 (array)
integer, dimension (10:) :: array
character (len = array (11) + a (104) + 100) :: f2
f2 = ''
end function f2
function f3 (array)
integer, dimension (:) :: array
character (len = sum (double (array (2:)))) :: f3
f3 = ''
end function f3
function f4 (array, upper, stride)
integer, dimension (10:) :: array
integer :: upper, stride
character (len = sum (array (lower:upper:stride))) :: f4
f4 = ''
end function f4
subroutine test (string, length)
character (len = *) :: string
integer, intent (in) :: length
if (len (string) .ne. length) call abort
end subroutine test
end program main