| ! { dg-do run } |
| ! { dg-options "-fbounds-check" } |
| ! Tests the fix for PR30003, in which the 'end' of an array section |
| ! would not be evaluated at all if it was on the lhs of an assignment |
| ! or would be evaluated many times if bound checking were on. |
| ! |
| ! Contributed by Erik Edelmann <eedelmann@gcc.gnu.org> |
| ! |
| implicit none |
| integer :: a(5), b(3), cnt |
| |
| b = [ 1, 2, 3 ] |
| ! Check the lhs references |
| cnt = 0 |
| a(bar(1):3) = b |
| if (cnt /= 1) STOP 1 |
| cnt = 0 |
| a(1:bar(3)) = b |
| if (cnt /= 1) STOP 2 |
| cnt = 0 |
| a(1:3:bar(1)) = b |
| if (cnt /= 1) STOP 3 |
| ! Check the rhs references |
| cnt = 0 |
| a(1:3) = b(bar(1):3) |
| if (cnt /= 1) STOP 4 |
| cnt = 0 |
| a(1:3) = b(1:bar(3)) |
| if (cnt /= 1) STOP 5 |
| cnt = 0 |
| a(1:3) = b(1:3:bar(1)) |
| if (cnt /= 1) STOP 6 |
| contains |
| integer function bar(n) |
| integer, intent(in) :: n |
| cnt = cnt + 1 |
| bar = n |
| end function bar |
| end |
