rt_gccstream/gcc/testsuite/gfortran.dg/null_1.f90

20 lines
831 B
Fortran

! { dg-do compile }
! PR fortran/20858
! If we have "x = null(i)", then "null()" acquires the type, kind type,
! and rank of i and these need to match those of x.
program null_1
integer, parameter :: sp = kind(1.e0), dp = kind(1.d0)
integer, pointer :: i => null()
real(sp), pointer :: x => null()
real(dp), pointer :: y => null()
real(sp), pointer :: z(:) => null()
x => null(i) ! { dg-error "types in pointer assignment" }
x => null(y) ! { dg-error "types in pointer assignment" }
z => null(i) ! { dg-error "types in pointer assignment" }
z => null(y) ! { dg-error "types in pointer assignment" }
x => null(z) ! { dg-error "ranks in pointer assignment" }
z => null(x) ! { dg-error "ranks in pointer assignment" }
z => null(z)
nullify(i, x, y, z)
end program null_1