gcc/testsuite/gfortran.dg/array_temporaries_2.f90

   1 ! { dg-do run }
   2 ! { dg-options "-fcheck-array-temporaries" }
   3  program test
   4   implicit none
   5   integer :: a(3,3)
   6   call foo(a(:,1))  ! OK, no temporary created
   7   call foo(a(1,:))  ! BAD, temporary var created
   8 contains
   9   subroutine foo(x)
  10     integer :: x(3)
  11     x = 5
  12   end subroutine foo
  13 end program test
  14
  15 ! { 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'" }