! { dg-do run } ! { dg-options "-fcheck-array-temporaries" } program test implicit none integer :: a(3,3) call foo(a(:,1)) ! OK, no temporary created call foo(a(1,:)) ! BAD, temporary var created contains subroutine foo(x) integer :: x(3) x = 5 end subroutine foo end program test ! { dg-output "At line 7 of file .*array_temporaries_2.f90(\n|\r\n|\r)Fortran runtime warning: An array temporary was created for argument 'x' of procedure 'foo'" }